1. OSHA Occupational Chemical Database
  2. ETHANOLAMINE (2-AMINOETHANOL)
Label abbreviations descriptions

ETHANOLAMINE (2-AMINOETHANOL)†

Chemical Identification
Chemical Identification
CAS # 141-43-5
Formula
 

C₂H₇NO
Synonyms
 

2-aminoethanol; β-aminoethyl alcohol; ethylolamine; 2-hydroxyethylamine; monoethanolamine
Physical Properties
Physical Properties
Physical description Colorless, viscous liquid or solid (below 51°F) with an unpleasant, ammonia-like odor.
Boiling point 339°F Molecular weight 61.1
Freezing point/melting point 51°F Vapor pressure 0.4 mmHg
Flash point 186°F Vapor density 2.1
Specific gravity 1.02 Ionization potential 8.96 eV
Lower explosive limit (LEL) 5.5% Upper explosive limit (UEL) 17%
NFPA health rating 3 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
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1030
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)*
 

1.5 L
Sampling flow rate (STEL/Peak/C)*
 

0.1 L/min
Analytical method instruments HPLC-UV
Method reference OSHA PV2111 (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.

Wipe Method
Wipe Method
Sampler/Sampling media
 

 
Bulk Method
Bulk Method
 

 
On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
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
 

3 ppm (6 mg/m³)

 REL-TWA
 

3 ppm (8 mg/m³)

 TLV-TWA
 

3 ppm [1985]

 PEL-TWA
 

3 ppm (8 mg/m³)
PEL-STEL
 

 

 REL-STEL
 

6 ppm (15 mg/m³)

 TLV-STEL
 

6 ppm [1985]

 PEL-STEL
 

6 ppm (15 mg/m³)
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
 

30 ppm
Carcinogenic classifications: Not listed Notes:
 

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

 
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Ethanolamine

NIOSH: Pocket Guide to Chemical Hazards - Ethanolamine

Literature References

 
  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Ethanolamine. See annual publication for most recent information.
  • Geier, J., Lessmann, H., Schnuch, A. and Uter, W.: Contact sensitizations in metalworkers with occupational dermatitis exposed to water-based metalworking fluids: results of the research project "FaSt". Int. Arch. Occup. Environ. Health 77(8): 543-551, 2004.
  • Kamijo, Y., Soma, K., Inoue, A., Nagai, T. and Kurihara, K.: Acute respiratory distress syndrome following asthma-like symptoms from massive ingestion of a monoethanolamine-containing detergent. Vet. Hum. Toxicol. 46(2): 79-80, 2004.
  • NIOSH: Occupational Health Guideline for Ethanolamine. 1978.

Last Updated Date : 12/28/2020