| Agent Name |
Triethylamine |
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| CAS Number |
121-44-8 |
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| Formula |
C6-H15-N |
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| Major Category |
Nitrogen Compounds |
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| Synonyms |
(Diethylamino)ethane; Ethanamine, N,N-diethyl-; N,N-Diethylethanamine; TEA; TEN; Triaethylamin [German]; Triethylamine; Trietilamina [Italian; [ChemIDplus] UN1296 |
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| Category |
Amines, Aliphatic |
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| Description |
Colorless liquid with a strong, ammonia-like odor; [NIOSH] |
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| Sources/Uses |
Used as a catalyst for polyurethane foams, an accelerator for rubber, and a curing agent for amino and epoxy resins; (HSDB) Used as an accelerator in photography development; [ILO Encyclo. Vol 4:104.1-104.416] |
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| Comments |
Liquid causes first degree burns on short exposure; [CHRIS] Corrosive to skin; [Quick CPC] Short-term exposure at high concentrations may cause pulmonary edema. [ICSC] A lachrymator; [CHEMINFO] Experimental animals exposed repeatedly to 100 ppm show evidence of liver, kidney, lung, and heart damage. [HSDB] A corrosive substance that can cause pulmonary edema; [ICSC] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
Yes |
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| TLV (ACGIH) |
1 ppm |
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| STEL (ACGIH) |
3 ppm |
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| PEL (OSHA) |
25 ppm |
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| MAK |
1 ppm |
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| IDLH (NIOSH) |
200 ppm |
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| Excerpts from Documentation for IDLHs |
Basis for original (SCP) IDLH: The chosen IDLH is based on the UCC [1970] report that a 4�hour exposure to 1,000 ppm killed 1 of 6 rats. . . . Human data: None relevant for use in determining the revised IDLH. |
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| Vapor Pressure |
54 mm Hg |
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| Odor Threshold Low |
0.1 ppm |
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| Odor Threshold High |
0.65 ppm |
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| RD50 |
184 ppm |
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| Lethal Concentration |
LCLo (rats) = 1,000 ppm/4 hr |
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| Explanatory Notes |
Detection odor threshold from AIHA (mean = 0.25 ppm); Flash point = -7 deg C; |
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| Reference Link |
International Chemical Safety Cards (WHO/IPCS/ILO) |
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| Flammability (NFPA) |
3: may ignite at ambient temperature |
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| Adverse Effects |
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| Toxic Pneumonitis |
Yes |
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| Dermatotoxin |
Skin Burns |
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| Lacrimator |
Yes |
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| Hepatotoxin |
Hepatotoxin, Secondary |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: TRIETHYLAMINE
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