ETHYL ALCOHOL (ETHANOL)†

Chemical Identification
Chemical Identification
CAS # 64-17-5
Formula

C₂H₆O

Synonyms
 

ethanol; alcohol; ETOH; methyl carbinol; ethyl hydrate; grain alcohol

Physical Properties
Physical Properties
Physical description Clear, colorless liquid with a weak, ethereal, vinous odor.
Boiling point 173°F Molecular weight 46.1
Freezing point/melting point -173°F Vapor pressure 44 mmHg
Flash point 55°F Vapor density 1.59
Specific gravity 0.79 Ionization potential 10.47 eV
Lower explosive limit (LEL) 3.3% Upper explosive limit (UEL) 19%
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
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1060
Sampling group OVSG-2
Sampler/Sampling media 2 Anasorb 747 sampling tubes (6 mm glass tubes, the front tube contains 400 and the back 200 mg of sorbent) connected in series [SKC 226-82]
Sampling time*
 

240 min

Sampling volume (TWA)*
 

12 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 5001 (fully validated)
Notes
 

Separate and seal each tube after sampling.

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 Detector tube CMS Chip
Model/Type Dräger - Alcohol 25/a, 8101631 Gastec 112 Matheson-Kitagawa 8014-104SA Ethanol, 100-2500 ppm range
Sampling information
(see manufacturer instructions)
10 strokes; approx 10-2000 ppm range; uncertainty approx 41% 0.5-2 strokes; 0.004-7.5% range; uncertainty 25% for 0.05-0.5%, 16% for 0.5-2.5% 1 stroke; approx 0.02-5% range
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
 

1000 ppm (1900 mg/m³)

REL-TWA
 

1000 ppm (1900 mg/m³)

TLV-TWA
 

 

PEL-TWA
 

1000 ppm (1900 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

1000 ppm [2008]

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Notes:
 

See 29 CFR 1910.1000 Table Z-1.

Notes:
 

 

Notes:
 

 

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
 

3300 ppm

Carcinogenic classifications: TLV-A3 Notes:
 

10% of LEL

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

1800 ppm/3300 ppm/--

Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Ethanol

NIOSH: Pocket Guide to Chemical Hazards - Ethyl alcohol

Literature References

 

Last Updated Date : 12/28/2020