ACROLEIN†

Chemical Identification
Chemical Identification
CAS # 107-02-8
Formula

C₃H₄O

Synonyms

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

Physical Properties
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
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

* 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.

Wipe Method
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
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
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

0.1 ppm [1995]

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: 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
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Acrolein, stabilized

NIOSH: Pocket Guide to Chemical Hazards - Acrolein

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Acrolein. See annual publication for most recent information.

Last Updated Date : 11/17/2020