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TRIMETHYLAMINE HYDROCHLORIDE

TRIMETHYLAMINE HYDROCHLORIDE
TRIMETHYLAMINE HYDROCHLORIDE
CAS No.
75-50-3
Chemical Name:
TRIMETHYLAMINE HYDROCHLORIDE
Synonyms
ai3-15639;FEMA 3241;TRIMETHYLAMIN;Trimethylamide;femanumber:3241;TRIMETHYLAMINE HCL;TriMethylaMine dimethylmethaneamine;TRIMETHYLAMINE HYDRO;trimethylamineanhydre
CBNumber:
CB6332996
Molecular Formula:
C3H9N
Formula Weight:
59.11
MOL File:
75-50-3.mol

TRIMETHYLAMINE HYDROCHLORIDE Properties

Melting point:
283-284 °C (dec.)(lit.)
Boiling point:
3-4 °C(lit.)
Density 
0.83-0.88 g/mL at 20 °C
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. 
2-8°C
form 
Liquid
pka
pKb (25°): 4.13
color 
Colorless
explosive limit
11.6%
Water Solubility 
Soluble In Water, 8.9e+005 mg/L.
FreezingPoint 
-117.1℃
Sensitive 
Hygroscopic
Merck 
14,9710
BRN 
956566
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.
CAS DataBase Reference
75-50-3(CAS DataBase Reference)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
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
TSCA  Yes
HazardClass  3
PackingGroup  II
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H220 Extremely flammable gas Flammable gases Category 1 Danger P210, P377, P381, P403
H224 Extremely flammable liquid and vapour Flammable liquids Category 1 Danger
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H280 Contains gas under pressure; may explode if heated Gases under pressure Compressed gas
Liquefied gas
Dissolved gas
Warning P410+P403
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H333 May be harmful if inhaled Acute toxicity,inhalation Category 5 P304+P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H402 Harmful to aquatic life Hazardous to the aquatic environment, acute hazard Category 3
H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P310 Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.
P403+P235 Store in a well-ventilated place. Keep cool.
P410+P403 Protect from sunlight. Store in a well-ventilated place.

TRIMETHYLAMINE HYDROCHLORIDE price More Price(32)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 243205 Trimethylamine anhydrous, ≥99% 75-50-3 100g $93.6 2018-11-13 Buy
Sigma-Aldrich 243205 Trimethylamine anhydrous, ≥99% 75-50-3 400g $137 2018-11-13 Buy
TCI Chemical T0464 Trimethylamine (ca. 28% in Water, ca. 4.3mol/L) 75-50-3 25mL $17 2017-12-01 Buy
TCI Chemical T0464 Trimethylamine (ca. 28% in Water, ca. 4.3mol/L) 75-50-3 500mL $26 2017-12-01 Buy
Sigma-Aldrich W324108 Trimethylamine solution 25 wt. % in H2O 75-50-3 sample-k $40 2018-11-13 Buy

TRIMETHYLAMINE HYDROCHLORIDE Chemical Properties,Uses,Production

Chemical Properties

Colorless gas at room temperature; fishy ammoniacal odor; readily liquefied. Anhydrous form shipped as liquefied compressed gas. Soluble in water, alcohol, and ether.

Uses

Organic synthesis, especially of choline salts, warning agent for natural gas, manufacture of disinfectants, flotation agent, insect attractant, quaternary ammonium compounds, plastics.

Definition

ChEBI: A tertiary amine that is ammonia in which each hydrogen atom is substituted by an methyl group.

General Description

A colorless gas with a fishlike odor at low concentrations changing to ammonia-like odor at higher concentrations. Shipped as a liquid under its own vapor pressure. Contact with the unconfined liquid can cause frostbite from evaporative cooling or chemical type burns. The gasis corrosive and dissolves in water to form flammable, corrosive solutions. Gas is an asphyxiate by the displacement of air. Produces toxic oxides of nitrogen during combustion. Prolonged exposure to heat can cause the containers to rupture violently and rocket. Long-term inhalation of low concentrations or short -term inhalation of high concentrations has adverse health effects.

Air & Water Reactions

Highly flammable and easily ignited. Water soluble.

Reactivity Profile

TRIMETHYLAMINE neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides. Contamination of an ethylene oxide tank with trimethylamine caused an explosion [BCISC Quart. Safety Summ., 1966, 37, 44].

Health Hazard

VAPOR: POISONOUS IF INHALED. Irritating to eyes, nose, and throat. LIQUID: Will burn skin and eyes. Harmful if swallowed.

Fire Hazard

FLAMMABLE. Flashback along vapor trail may occur. Vapor may explode if ignited in an enclosed area. Vapor is heavier than air and may travel a considerable distance to a source of ignition and flash back.

Purification Methods

Dry triethylamine by passing the gas through a tower filled with solid KOH. Water and impurities containing labile hydrogen were removed by treatment with freshly sublimed, ground, P2O5. It has been refluxed with acetic anhydride, and then distilled through a tube packed with HgO and BaO. [Comyns J Chem Soc 1557 1955.] For more extensive purification, trimethylamine is converted to the hydrochloride, crystallised (see below), and regenerated by treating the hydrochloride with excess aqueous 50% KOH, the gas is passed through a CaSO4 column into a steel cylinder containing sodium ribbon. After 1-2 days, the cylinder is cooled to -78o and hydrogen and air are removed by pumping. [Day & Felsing J Am Chem Soc 72 1698 1950.] Me3N has been distlled from trap-to-trap and degassed by freeze-pump-thaw [Halpern et al. J Am Chem Soc 108 3907 1986]. It is commercially supplied in a pressure tin. [Beilstein 4 H 43, 4 I 322, 4 II 553, 4 III 99, 4 IV 134.]

TRIMETHYLAMINE HYDROCHLORIDE Preparation Products And Raw materials

Raw materials

Preparation Products


TRIMETHYLAMINE HYDROCHLORIDE Suppliers

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