ETHANOLAMINE (2-AMINOETHANOL)†
Chemical Identification | |
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CAS # | 141-43-5 |
Formula |
C₂H₇NO |
Synonyms |
2-aminoethanol; β-aminoethyl alcohol; ethylolamine; 2-hydroxyethylamine; monoethanolamine |
Physical Properties | |||
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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 | ||||||
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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 |
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Sampling volume (TWA)* | 10 L |
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Sampling flow rate (TWA)* | 0.1 L/min |
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Sampling volume (STEL/Peak/C)* | 1.5 L |
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Sampling flow rate (STEL/Peak/C)* | 0.1 L/min |
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Analytical method instruments | HPLC-UV | |||||
Method reference | OSHA PV2111 (partially validated) | |||||
Notes |
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Special requirements |
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* 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 | |
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Sampler/Sampling media |
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Bulk Method |
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On-Site Screening Techniques | ||||||
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Device | ||||||
Model/Type | ||||||
Sampling information (see manufacturer instructions) |
Exposure Limits | |||||||
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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 |
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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 |
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REL-STEL |
6 ppm (15 mg/m³) |
TLV-STEL |
6 ppm [1985] |
PEL-STEL |
6 ppm (15 mg/m³) |
PEL-C |
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REL-C |
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TLV-C |
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PEL-C |
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Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Notes: |
Notes:
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Notes:
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Notes:
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Health factors: See NIH-NLM PubChem. | IDLH |
30 ppm |
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Carcinogenic classifications: Not listed |
Notes:
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
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Additional Resources and Literature References |
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NOAA: CAMEO Chemicals - Ethanolamine NIOSH: Pocket Guide to Chemical Hazards - Ethanolamine Literature References
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Last Updated Date : 12/28/2020