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 |
CAS DataBase Reference |
75-50-3(CAS DataBase Reference) |
EPA Substance Registry System |
Trimethylamine (75-50-3) |