Basic Info.

 

Chinese nameBenzyltriethylammonium chloride

English nameBenzyltriethylammonium chloride

CAS56-37-1

EINECS Number200-300-3

Molecular formulaC13H22ClN

MDL NumberMFCD00011782

molecular weight227.77

Update date2026/03/02 08:36:53

56-37-1 Structural Formula

Basic Information

Chinese alias

Benzyltrimethylammonium chloride,
benzyltriethylammonium chloride,
triethylbenzylammonium chloride,
benzyltriethylamine chloride,
benzyltriethylammonium chloride,
benzyltetraethylammonium chloride,
triethylbenzylammonium chloride,
triethylbenzylammonium chloride (TEBAC)
, 50% solution of benzyltriethylammonium chloride, triethylbenzylammonium
chlorideEnglish aliases

BTMAC
​
N,N,N’-TRIETHYLBENZENEMETHANAMINIUM CHLORIDE
N,N,N-TRIETHYL-BENZENEMETHANAMINIUM CHLORIDE
N,N,N- Trimethylbenzenemethanaminium chloride
TEBA
TEBAC
tmbac Benzenemethanaminium,N,N,N-triethyl-,chloride benzyltriethyl-ammoniuchloride Benzenemethanaminiumchlor n,n,n-triethyl-benzenemethanaminiuchloride


Category

Chemical auxiliaries: Industrial surfactants: Cationic surfactants

Physicochemical properties

AppearanceThis product is a white solid. Melting point: 155℃ (decomposes).

Melting point239 °C (dec.)(lit.)

boiling point366.11°C (rough estimate)

Bulk density700kg/m3

density1.08 g/mL at 25 °C

Refractive indexn20/D1.479

Flash point>100°C

Storage conditionsStore below +30°C.

solubilityH₂O : 

_0.1 g/mL, clear

formliquid

colorWhite to beige

pH value6-8 (100g/l, H2O, 20℃)

pH range of color change of acid-base indicator6 – 8

Water solubility700 g/L (20 ºC)

Decomposition185°C

Sensitivityhygroscopic

Detection methodsT,NMR

BRN3574984

stabilityStable. Incompatible with strong oxidizing agents.

Cosmetic ingredients and efficacyANTISTATIC

InChIKeyHTZCNXWZYVXIMZ-UHFFFAOYSA-M

CAS Database56-37-1(CAS DataBase Reference)

EPA Chemical SubstancesBenzyltriethylammonium chloride (56-37-1)

Security Data

Hazard Symbols (GHS)
GHS07

Warning wordswarn

Hazard descriptionH315-H319-H335

Prevention instructionsP261-P264-P271-P280-P302+P352-P305+P351+P338

Dangerous goods signsXn,Xi

Hazard Category CodeR36/37/38

Safety InstructionsS26-S36-S37/39-S26 37/39

Dangerous goods transport numberUN 2811 6.1/PG 3

WGK Germany3

RTECSBO8400000

F3

Autoignition temperature300 °C

TSCAYes

Customs Code29239000

toxicityLD50 orally in Rabbit: 2219 mg/kg

Application areas

Application 1

Used as a pharmaceutical intermediate and phase transfer catalystApplication 2

It acts as a phase transfer catalyst.Application 3

Alkylation catalyst. Organic synthesis phase transfer catalyst. Synthesis of polysubstituted cyclopropanes via Michael addition catalysis using phase transfer catalysis.

Preparation method

Method 1

Using acetone as a solvent, equimolar amounts of benzyl chloride and trichloroamine were sequentially added to a reaction vessel. The mixture was heated to 63–64 °C with stirring and held under reflux for 8 h. The temperature was then slowly lowered to 15 °C, filtered, and the filter cake was washed with acetone and dried to obtain the product. The yield was 68.9%.
Method 2

Benzyl chloride, triethylamine, and acetone were added to a reaction vessel and refluxed at 63-64°C for 8 hours. The temperature was then slowly lowered to 15°C, and the mixture was filtered. The filter cake was washed with acetone and dried to obtain TEBA. The yield was 68.9%.

 

56-37-1 (Safety characteristics, toxicity, storage and transportation)

Storage and transportation characteristics

Store in a cool, well-ventilated place; keep separate from food ingredients in the warehouse.Toxicity classification

Highly toxicAcute toxicity

Intravenous LD50 in mice: 18 mg/kgFlammable hazardous characteristics

Combustible; combustion produces toxic nitrogen oxides and chloride fumes.category

Toxic substancesFire extinguishing agent

Dry powder, foam, sand, carbon dioxide, water mist

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