CHLOROACETALDEHYDE (2-CHLOROETHANAL)†

Chemical Identification

CAS # 107-20-0
Formula

C₂H₃ClO

Synonyms

chloroacetaldehyde (40% aqueous solution); 2-chloroacetaldehyde; 2-chloroethanal

Physical Properties

Physical description Colorless liquid with an acrid, penetrating odor. Typically found as a 40% aqueous solution.
Boiling point 186°F Molecular weight 78.5
Freezing point/melting point 3°F (40% solution) Vapor pressure 100 mmHg
Flash point 190°F (40% solution) Vapor density 2.7
Specific gravity 1.19 (40% solution) Ionization potential 10.61 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 3 NFPA fire rating 2
NFPA reactivity rating NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 0617
Sampling group
Sampler/Sampling media Silica gel tube (520/260 mg) [SKC 226-15]
Sampling time*
Sampling volume (TWA)*

7.5 L

Sampling flow rate (TWA)*

0.5 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-ECD
Method reference OSHA 76 (fully validated)
Notes
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques

Device
Model/Type
Sampling information
(see manufacturer instructions)

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA REL-TWA TLV-TWA PEL-TWA
PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C

1 ppm (3 mg/m³)

REL-C

1 ppm (3 mg/m³)

TLV-C PEL-C

1 ppm (3 mg/m³)

Skin notation

N

Skin notation

N

Skin notation

N

Skin notation

N

Notes:

See 29 CFR 1910.1000 Table Z-1.

Notes: Notes:

Visit the ACGIH TLV site for specific data

Notes:
Health factors:  See NIH-NLM PubChem. IDLH

45 ppm

Carcinogenic classifications: Not listed Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

Last Updated Date : 04/26/2024

PROPARGYL ALCOHOL†

Chemical Identification

CAS # 107-19-7
Formula
 

C₃H₄O

Synonyms
 

1-propyn-3-ol; 2-propyn-1-ol; 2-propynyl alcohol

Physical Properties

Physical description Colorless to straw-colored liquid with a mild, geranium odor.
Boiling point 236.5°F Molecular weight 56.07
Freezing point/melting point -62°F Vapor pressure 12 mmHg
Flash point 97°F (open cup) Vapor density
Specific gravity 0.9485 Ionization potential 10.51 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 4 NFPA fire rating 3
NFPA reactivity rating 3 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 2167
Sampling group
Sampler/Sampling media HBr coated petroleum-based CSC (100/50 mg) [SKC 226-178]
Sampling time*
 

120 min

Sampling volume (TWA)*
 

6 L

Sampling flow rate (TWA)*
 

0.05 L/min

Sampling volume (STEL/Peak/C)*
 

0.75 L

Sampling flow rate (STEL/Peak/C)*
 

0.05 L/min

Analytical method instruments GC-ECD
Method reference OSHA 97 (fully validated)
Notes
 

 

Special requirements
 

 

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media
 

 

Bulk Method
 

 

On-Site Screening Techniques

Device
Model/Type
Sampling information
(see manufacturer instructions)

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA
 

1 ppm

REL-TWA
 

1 ppm (2 mg/m³)

TLV-TWA
 

1 ppm [1992]

PEL-TWA
 

1 ppm (2 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

Y

Skin notation
 

Y

Skin notation
 

Y

Skin notation
 

Y

Notes:

The OSHA PEL applies to Construction and Maritime Industries only. See 29 CFR 1926.55 Table 1 and 29 CFR 1915.1000 Table Z-Shipyards.

Notes:
 

 

Notes:
 

 

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Notes:
 

 

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 

 

Additional Resources and Literature References

Last Updated Date : 06/03/2022

ALLYL ALCOHOL†

Chemical Identification

CAS # 107-18-6
Formula

C₃H₆O

Synonyms

AA; allylic alcohol; propenol; 1-propen-3-ol; 2-propenol; vinyl carbinol

Physical Properties

Physical description Colorless liquid with a pungent, mustard-like odor.
Boiling point 205°F Molecular weight 58.1
Freezing point/melting point -200°F Vapor pressure 17 mmHg
Flash point 70°F Vapor density 2
Specific gravity 0.85 Ionization potential 9.63 eV
Lower explosive limit (LEL) 2.5% Upper explosive limit (UEL) 18.0%
NFPA health rating 4 NFPA fire rating 3
NFPA reactivity rating 1 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 0130 0130
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01] CSC tube (100/50 mg) [SKC 226-01]
Sampling time*

200 min

Sampling volume (TWA)*

10 L

10 L

Sampling flow rate (TWA)*

0.05 L/min

0.2 L/min

Sampling volume (STEL/Peak/C)*

3 L

Sampling flow rate (STEL/Peak/C)*

0.2 L/min

Analytical method instruments GC-FID GC-FID
Method reference OSHA PV2140 (partially validated) NIOSH 1402 (partially validated)
Notes
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media

Wipe with charcoal pad, seal in glass vial for shipment. [3M 3500]

Bulk Method

On-Site Screening Techniques

Device
Model/Type
Sampling information
(see manufacturer instructions)

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

2 ppm (5 mg/m³)

REL-TWA

2 ppm (5 mg/m³)

TLV-TWA PEL-TWA

0.5 ppm (1.25 mg/m³)

PEL-STEL REL-STEL

4 ppm (10 mg/m³)

TLV-STEL PEL-STEL

4 ppm (10 mg/m³)

PEL-C REL-C TLV-C PEL-C
Skin notation

Y

Skin notation

Y

Skin notation

Y

Skin notation

Y

Notes:

See 29 CFR 1910.1000 Table Z-1.

Notes: Notes:

Visit the ACGIH TLV site for specific data

Notes:
Health factors:  See NIH-NLM PubChem. IDLH

20 ppm

Carcinogenic classifications: TLV-4 Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

Last Updated Date : 03/26/2024

ETHYLENEDIAMINE (1,2-DIAMINOETHANE)†

Chemical Identification

CAS # 107-15-3
Formula

C₂H₈N₂

Synonyms

1,2-diaminoethane; 1,2-ethanediamine; ethylenediamine (anhydrous)

Physical Properties

Physical description Colorless, viscous liquid with an ammonia-like odor.
Boiling point 241°F Molecular weight 60.1
Freezing point/melting point 47°F Vapor pressure 11 mmHg
Flash point 93°F Vapor density 2.07
Specific gravity 0.91 Ionization potential 8.60 eV
Lower explosive limit (LEL) 4.2% Upper explosive limit (UEL) 14.4%
NFPA health rating 3 NFPA fire rating 2
NFPA reactivity rating 0 NFPA special instruction 0
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 1130
Sampling group
Sampler/Sampling media XAD-2 tube (80/40) coated with 10% 1-naphthylisothiocyanate (NITC) [SKC 226-30-18]
Sampling time*

100 min

Sampling volume (TWA)*

10 L

Sampling flow rate (TWA)*

0.1 L/min

Sampling volume (STEL/Peak/C)*
 

 

Sampling flow rate (STEL/Peak/C)*
Analytical method instruments HPLC
Method reference OSHA 60 (fully validated)
Notes
 

 

Special requirements
 

 

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media
 

 

Bulk Method
 

 

On-Site Screening Techniques

Device
Model/Type
Sampling information
(see manufacturer instructions)

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA
 

10 ppm (25 mg/m³)

REL-TWA
 

10 ppm (25 mg/m³)

TLV-TWA
 

10 ppm [1990]

PEL-TWA
 

10 ppm (25 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

N

Skin notation
 

N

Skin notation
 

Y

Skin notation
 

N

Notes:
 

See 29 CFR 1910.1000 Table Z-1.

Notes:
 

 

Notes:
 

 

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
 

1000 ppm

Carcinogenic classifications: TLV-A4, EPA-D Notes:
 

 

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 

 

Additional Resources and Literature References

Last Updated Date : 12/28/2020

ACRYLONITRILE (VINYL CYANIDE)‡

Chemical Identification

CAS # 107-13-1
Formula

C₃H₃N

Synonyms

acrylonitrile inhibited; acrylonitrile monomer; AN; cyanoethylene; propenenitrile; 2-propenenitrile; VCN; vinyl cyanide

Physical Properties

Physical description Colorless to pale-yellow liquid with an unpleasant odor.
Boiling point 171°F Molecular weight 53.1
Freezing point/melting point -116°F Vapor pressure 83 mmHg
Flash point 30°F Vapor density
Specific gravity 0.81 Ionization potential 10.91 eV
Lower explosive limit (LEL) 3.0% Upper explosive limit (UEL) 17%
NFPA health rating 4 NFPA fire rating 3
NFPA reactivity rating 2 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 0120
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*

100 min

Sampling volume (TWA)*

20 L

Sampling flow rate (TWA)*

0.2 L/min

Sampling volume (STEL/Peak/C)*

7.5 L

Sampling flow rate (STEL/Peak/C)*

0.5 L/min

Analytical method instruments GC-NPD
Method reference OSHA 37 (fully validated)
Notes
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques

Device Detector tube Detector tube Detector Tube
Model/Type Dräger - Acrylonitrile 5/b, CH26901 Matheson-Kitagawa 8014-128SC Gastec 191L
Sampling information
(see manufacturer instructions)
3 strokes, 1-30 ppm range, uncertainty 25% follow mfr instructions, approx 1-120 ppm range 1-4 strokes, 0.05-18 ppm range, uncertainty 16.4% for 0.25-1 ppm, 8.2% for 1-6 ppm

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

2 ppm [1 ppm Action Level]

REL-TWA

1 ppm

TLV-TWA PEL-TWA

2 ppm (4.5 mg/m³)

PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C

10 ppm [15 minute]

REL-C

10 ppm [15 minutes]

TLV-C PEL-C
Skin notation

N

Skin notation

Y

Skin notation

Y

Skin notation

Y

Notes:

See 29 CFR 1910.1045, Acrylonitrile.

Notes:

CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens.

Notes:

Visit the ACGIH TLV site for specific data

Notes:

See Acrylonitrile, Appendix B.

Health factors:  See NIH-NLM PubChem. IDLH

85 ppm

Carcinogenic classifications: EPA-B1, IARC-2B, NIOSH-Ca, NTP-R, OSHA-Ca, TLV-A3 Notes:

Ca

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

10 ppm/35 ppm/75 ppm

Additional Resources and Literature References

Last Updated Date : 03/26/2024

ETHYLENE CHLOROHYDRIN (2-CHLOROETHANOL)†

Chemical Identification

CAS # 107-07-3
Formula

C₂H₅ClO

Synonyms

2-chloroethanol; 2-chloroethyl alcohol; ethylene chlorhydrin

Physical Properties

Physical description Colorless liquid with a faint, ether-like odor.
Boiling point 262°F Molecular weight 80.5
Freezing point/melting point -90°F Vapor pressure 5 mmHg
Flash point 140°F Vapor density 2.78
Specific gravity 1.2 Ionization potential 10.90 eV
Lower explosive limit (LEL) 4.9% Upper explosive limit (UEL) 15.9%
NFPA health rating 4 NFPA fire rating 2
NFPA reactivity rating 0 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 1120
Sampling group
Sampler/Sampling media
Sampling time*
Sampling volume (TWA)*

2-35 L

Sampling flow rate (TWA)*
 

0.01-0.2 L/min

Sampling volume (STEL/Peak/C)*
 

 

Sampling flow rate (STEL/Peak/C)*
 

0.2 L/min

Analytical method instruments
Method reference NIOSH 2513 (fully validated)
Notes
 

Submit as a separate sample.

Special requirements
 

 

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media
 

Wipe with charcoal pad, seal in glass vial for shipment. [3M 3500]

Bulk Method
 

 

On-Site Screening Techniques

Device Infrared spectrophotometer
Model/Type Miran 1A & 1B
Sampling information
(see manufacturer instructions)
0.2 ppm@9.3 µm

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA
 

5 ppm (16 mg/m³)

REL-TWA
 

 

TLV-TWA
 

 

PEL-TWA
 

 

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

1 ppm (3 mg/m³)

TLV-C
 

 

PEL-C
 

1 ppm (3 mg/m³)

Skin notation
 

Y

Skin notation
 

Y

Skin notation
 

Y

Skin notation
 

Y

Notes:
 

See 29 CFR 1910.1000 Table Z-1.

Notes:
 

 

Notes:

Visit the ACGIH TLV site for specific data

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: TLV-A4 Notes:
 

 

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 

 

Additional Resources and Literature References

Last Updated Date : 05/01/2024

ETHYLENE DICHLORIDE (1,2-DICHLOROETHANE)†

Chemical Identification

CAS # 107-06-2
Formula

C₂H₄Cl₂

Synonyms

1,2-dichloroethane; ethylene chloride; glycol dichloride

Physical Properties

Physical description Colorless liquid with a pleasant, chloroform-like odor.
Boiling point 182°F Molecular weight 98.96
Freezing point/melting point -32°F Vapor pressure 64 mmHg
Flash point 56°F Vapor density 3.4
Specific gravity 1.24 Ionization potential 11.05 eV
Lower explosive limit (LEL) 6.2% Upper explosive limit (UEL) 16%
NFPA health rating 2 NFPA fire rating 3
NFPA reactivity rating 0 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 0874
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*

50 min 

Sampling volume (TWA)*

10 L

Sampling flow rate (TWA)*

0.2 L/min

Sampling volume (STEL/Peak/C)*
 

 

Sampling flow rate (STEL/Peak/C)*
 

 

Analytical method instruments GC-ECD
Method reference OSHA 3 (fully validated)
Notes
 

 

Special requirements
 

 

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media
 

 

Bulk Method
 

 

On-Site Screening Techniques

Device Detector tube Detector tube
Model/Type Gastec 135L Matheson-Kitagawa 8014-235S
Sampling information
(see manufacturer instructions)
0.5-2 strokes; 16-1040 ppm range; uncertainty 16% for 100-300 ppm, 8% for 300-1040 ppm 1 stroke; approx 5-160 ppm range

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA
 

50 ppm (200 mg/m³)

REL-TWA
 

1 ppm (4 mg/m³)

TLV-TWA
 

10 ppm [1977]

PEL-TWA
 

1 ppm (4 mg/m³)

PEL-STEL
 

 

REL-STEL
 

2 ppm (8 mg/m³)

TLV-STEL
 

 

PEL-STEL
 

2 ppm (8 mg/m³)

PEL-C
 

100 ppm [5 min any 3 hrs]; 200 ppm (Peak)

REL-C
 

 

TLV-C
 

 

PEL-C
 

200 ppm

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Notes:

See 29 CFR 1910.1000 Table Z-2.

OSHA Construction and Maritime Industry PEL is 50 ppm (200 mg/m³) as an 8 HR TWA only. See 29 CFR 1926.55 Table 1 and 29 CFR 1915.1000 Table Z-Shipyards.

Notes:
 

CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A and Appendix C, Supplementary Exposure Limits (Chloroethanes)..

Notes:
 

 

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
 

50 ppm

Carcinogenic classifications: IARC-2B, NIOSH-Ca, NTP-R, TLV-A4, EPA-B2 Notes:
 

Ca

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 

50 ppm/200 ppm/300 ppm

Additional Resources and Literature References

Last Updated Date : 06/06/2022

ALLYL CHLORIDE†

Chemical Identification

CAS # 107-05-1
Formula

C₃H₅Cl

Synonyms

3-chloropropene; 1-chloro-2-propene; 3-chloropropylene

Physical Properties

Physical description Colorless, brown, yellow, or purple liquid with a pungent, unpleasant odor.
Boiling point 113°F Molecular weight 76.5
Freezing point/melting point -210°F Vapor pressure 295 mmHg
Flash point -25°F Vapor density 2.64
Specific gravity 0.94 Ionization potential 10.05 eV
Lower explosive limit (LEL) 2.9% Upper explosive limit (UEL) 11.1%
NFPA health rating 3 NFPA fire rating 3
NFPA reactivity rating 1 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 0140
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
Sampling volume (TWA)*

100 L

Sampling flow rate (TWA)*

1.0 L/min

Sampling volume (STEL/Peak/C)*

16 L

Sampling flow rate (STEL/Peak/C)*

1.0 L/min

Analytical method instruments GC-FID
Method reference NIOSH 1000 (fully validated)
Notes
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques

Device
Model/Type
Sampling information
(see manufacturer instructions)

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

1 ppm (3 mg/m³)

REL-TWA

1 ppm (3 mg/m³)

TLV-TWA PEL-TWA

1 ppm (3 mg/m³)

PEL-STEL REL-STEL

2 ppm (6 mg/m³)

TLV-STEL PEL-STEL

2 ppm (6 mg/m³)

PEL-C REL-C TLV-C PEL-C
Skin notation

N

Skin notation

N

Skin notation

Y

Skin notation

N

Notes:

See 29 CFR 1910.1000 Table Z-1.

Notes: Notes:

Visit the ACGIH TLV site for specific data

Notes:
Health factors:  See NIH-NLM PubChem. IDLH

250 ppm
 

Carcinogenic classifications: EPA-C, IARC-3, TLV-A3 Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

3 ppm/40 ppm/300 ppm

Additional Resources and Literature References

Last Updated Date : 03/26/2024

ACROLEIN†

Chemical Identification

CAS # 107-02-8
Formula

C₃H₄O

Synonyms

acraldehyde; acrolein, inhibited; acrylaldehyde; acrylic aldehyde; allyl aldehyde; propenal; 2-propenal

Physical Properties

Physical description Colorless or yellow liquid with a piercing, disagreeable odor.
Boiling point 127°F Molecular weight 56.1
Freezing point/melting point -126°F Vapor pressure 210 mmHg
Flash point -15°F Vapor density
Specific gravity 0.84 Ionization potential 10.13 eV
Lower explosive limit (LEL) 2.8% Upper explosive limit (UEL) 31%
NFPA health rating 4 NFPA fire rating 3
NFPA reactivity rating 3 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 0110
Sampling group
Sampler/Sampling media XAD-2 tube (150/75 mg) coated with 10% 2-(hydroxymethyl)piperidine [SKC 226-117]
Sampling time*

480 min

Sampling volume (TWA)*

48 L

Sampling flow rate (TWA)*

0.1 L/min

Sampling volume (STEL/Peak/C)*

3 L

Sampling flow rate (STEL/Peak/C)*

0.2 L/min

Analytical method instruments GC-NPD
Method reference OSHA 52 (fully validated)
Notes

When formaldehyde and acrolein are sampled together, their sample volume must be 24 L

Special requirements

Acrolein standards are not kept on hand due to a short shelf life. Please contact SLTC prior to sampling for acrolein in order to minimize turnaround time.

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques

Device Detector tube Detector tube
Model/Type Matheson-Kitagawa 8014-136 Gastec 93
Sampling information
(see manufacturer instructions)
follow mfr instructions, approx 0.005-1.8% range 2-4 strokes, 2-800 ppm range, uncertainty 16.4% for 10 to 200 ppm, 8.2% for 200 to 800 ppm

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

0.1 ppm (0.25 mg/m³)

REL-TWA

0.1 ppm (0.25 mg/m³)

TLV-TWA PEL-TWA
PEL-STEL REL-STEL

0.3 ppm (0.8 mg/m³)

TLV-STEL PEL-STEL
PEL-C REL-C TLV-C PEL-C

0.1 ppm [0.25 mg/m³]

Skin notation

N

Skin notation

N

Skin notation

Y

Skin notation

Y

Notes:

See 29 CFR 1910.1000 Table Z-1.

Notes:

See Appendix C - Supplementary Exposure Limits (Aldehydes).

Notes:

Visit the ACGIH TLV site for specific data

Notes:
Health factors:  See NIH-NLM PubChem. IDLH

2 ppm

Carcinogenic classifications: EPA-1, IARC-3, TLV-A4 Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

0.05 ppm/0.15 ppm/1.5 ppm

Additional Resources and Literature References

Last Updated Date : 03/25/2024

BUTADIENE (1,3-BUTADIENE)‡

Chemical Identification

CAS # 106-99-0
Formula

C₄H₆

Synonyms

biethylene; bivinyl, butadiene; divinyl, erythrene; vinylethylene

Physical Properties

Physical description Colorless gas with a mild aromatic or gasoline-like odor.
Boiling point 24°F Molecular weight 54.1
Freezing point/melting point -164°F Vapor pressure 2.4 atm
Flash point -105°F (liquid) Vapor density 1.88
Specific gravity 0.621 at 68°F Ionization potential 9.07 eV
Lower explosive limit (LEL) 2.0% Upper explosive limit (UEL) 12.0%
NFPA health rating 2 NFPA fire rating 4
NFPA reactivity rating 2 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 0410
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) coated with 10% t-butylcatechol [SKC 226-73]
Sampling time*

60 min

Sampling volume (TWA)*

3 L

Sampling flow rate (TWA)*

0.05 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-FID
Method reference OSHA 56 (fully validated)
Notes

Keep samples refrigerated when not in transit. Ship samples overnight with cold-packs as soon as possible.

Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques

Device CMS Chip
Model/Type Butadiene, 1-25 ppm range
Sampling information
(see manufacturer instructions)

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

1 ppm (2.21 mg/m³)

REL-TWA TLV-TWA PEL-TWA

1 ppm (2.2 mg/m³)

PEL-STEL

5 ppm (11 mg/m³)

REL-STEL TLV-STEL PEL-STEL

5 ppm (11 mg/m³)

PEL-C REL-C TLV-C PEL-C
Skin notation

N

Skin notation

N

Skin notation

N

Skin notation

NA

Notes:

See 29 CFR 1910.1051, 1,3-Butadiene and 29 CFR 1910.19, Special provisions for air contaminants.

Notes:

CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION (LOQ 0.19 ppm). See Appendix A

Notes:

Visit the ACGIH TLV site for specific data

Notes:

See California Code of Regulations, Title 8, Section 5201. 1,3-Butadiene

Health factors:  See NIH-NLM PubChem. IDLH

2000 ppm

Carcinogenic classifications: EPA-CaH (inhaled), IARC-1, NIOSH-Ca, NTP-K, OSHA-Ca, TLV-A2 Notes:

Ca; 10% of LEL

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

10 ppm/500 ppm/5000 ppm

Additional Resources and Literature References

Last Updated Date : 04/03/2024