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Trimethylamine Structure

Trimethylamine

Chemical Properties

Melting point -117 °C (lit.)
Boiling point 3-4 °C (lit.)
Density  0.63 g/mL at 20 °C (lit.)
vapor density  2.09 (vs air)
vapor pressure  430 mm Hg ( 25 °C)
refractive index  n20/D 1.357
FEMA  3241 | TRIMETHYLAMINE
Flash point 38 °F
storage temp.  Store at +5°C to +30°C.
solubility  very soluble in water, slightly soluble in alcohol, ether, benzene, toluene, xylene, ethylbenzene, chloroform maximum allowable concentration: TLV 10 p.p.m. (24 mg/m3) and STEL of 15 p.p.m. (36 mg/m3) (ACGIH 1986)
form  Liquid
pka pKb (25°): 4.13
color  Colorless
PH a strong base (pH 9.8)
Odor smelling like rotting fish, rotting eggs, garbage, or urine.
explosive limit 11.6%
Odor Type fishy
Odor Threshold 0.000032ppm
Water Solubility  Soluble In Water, 8.9e+005 mg/L.
FreezingPoint  -117.1℃
Sensitive  Hygroscopic
Merck  14,9710
JECFA Number 1610
BRN  956566
Exposure limits ACGIH: TWA 50 ppm; STEL 100 ppm (Skin)
OSHA: TWA 200 ppm(590 mg/m3)
NIOSH: IDLH 2000 ppm; TWA 200 ppm(590 mg/m3); STEL 250 ppm(735 mg/m3)
Dielectric constant 2.9(4℃)
Stability Stable. Incompatible with a wide variety of materials, including bases, acids, oxidizing agents, brass, zinc, magnesium, aluminium, mercury, mercury oxides, acid chlorides, acid anhydrides. Hygroscopic. Highly flammable. Readily forms explosive mixtures with air.
InChIKey GETQZCLCWQTVFV-UHFFFAOYSA-N
LogP 0.06
Substances Added to Food (formerly EAFUS) TRIMETHYLAMINE
CAS DataBase Reference 75-50-3(CAS DataBase Reference)
EWG's Food Scores 1-3
FDA UNII LHH7G8O305
EPA Substance Registry System Trimethylamine (75-50-3)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H225-H302-H314-H335
Precautionary statements P210-P233-P280-P301+P312-P303+P361+P353-P305+P351+P338
Hazard Codes  Xi,C,F+,Xn,F
Risk Statements  36/37/38-34-20/22-12-41-37/38-20-11
Safety Statements  26-36-45-36/37/39-16-29-39-3
RIDADR  UN 2924 3/PG 2
WGK Germany  1
RTECS  YH2700000
3-10
Autoignition Temperature 374 °F
TSCA  Yes
DOT Classification 2.1 (Flammable gas)
HazardClass  3
PackingGroup  II
HS Code  29211100
Hazardous Substances Data 75-50-3(Hazardous Substances Data)
NFPA 704:
4
3 0

Trimethylamine Price

Trimethylamine Chemical Properties,Usage,Production

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