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Triethylamine Structure

Triethylamine

Chemical Properties

Melting point -115 °C
Boiling point 90 °C
Density  0.728
vapor density  3.5 (vs air)
vapor pressure  51.75 mm Hg ( 20 °C)
FEMA  4246 | TRIETHYLAMINE
refractive index  n20/D 1.401(lit.)
Flash point 20 °F
storage temp.  Store below +30°C.
solubility  water: soluble112g/L at 20°C
pka 10.75(at 25℃)
form  Liquid
Specific Gravity 0.725 (20/4℃)
color  Clear
PH 12.7 (100g/l, H2O, 15℃)(IUCLID)
Relative polarity 1.8
Odor Strong ammonia-like odor
Odor Threshold 0.0054ppm
Odor Type fishy
Evaporation Rate 5.6
explosive limit 1.2-9.3%(V)
Water Solubility  133 g/L (20 ºC)
JECFA Number 1611
Merck  14,9666
BRN  1843166
Henry's Law Constant 1.79 at 25 °C (Christie and Crisp, 1967)
Exposure limits NIOSH REL: IDLH 200 ppm; OSHA PEL: TWA 25 ppm (100 mg/m3); ACGIH TLV: TWA 1 ppm, STEL 3 ppm (adopted).
Dielectric constant 5.0(Ambient)
Stability Stable. Extremely flammable. Readily forms explosive mixtures with air. Note low flash point. Incompatible with strong oxidizing agents, strong acids, ketones, aldehydes, halogenated hydrocarbons.
InChIKey ZMANZCXQSJIPKH-UHFFFAOYSA-N
LogP 1.65
Substances Added to Food (formerly EAFUS) TRIETHYLAMINE
FDA 21 CFR 177.1580
CAS DataBase Reference 121-44-8(CAS DataBase Reference)
EWG's Food Scores 5-6
FDA UNII VOU728O6AY
NIST Chemistry Reference Triethylamine(121-44-8)
EPA Substance Registry System Triethylamine (121-44-8)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H225-H302-H311+H331-H314-H335
Precautionary statements P210-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  F,C
Risk Statements  11-20/21/22-35
Safety Statements  3-16-26-29-36/37/39-45-61
RIDADR  UN 1296 3/PG 2
WGK Germany  1
RTECS  YE0175000
34
Autoignition Temperature 593 °F
Hazard Note  Highly Flammable/Corrosive
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29211910
Hazardous Substances Data 121-44-8(Hazardous Substances Data)
Toxicity LD50 orally in rats: 0.46 g/kg (Smyth)
IDLA 200 ppm
NFPA 704:
3
3 0

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