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Benzyltriethylammonium chloride

CAS No.
56-37-1
Chemical Name:
Benzyltriethylammonium chloride
Synonyms
TEBAC;TEBA;BTEAC;N-Benzyl-N,N,N-triethylammonium chloride;TRIETHYLBENZYLAMMONIUM CHLORIDE;BTMAC;N-benzyl-N,N-diethylethanaMiniuM chloride;Benzyltriethylammoniumchlorid;TRIMETHYLBENZYLAMMONIUM CHLORIDE;Benzyl triethylamine chloride
CBNumber:
CB2145040
Molecular Formula:
C13H22ClN
Molecular Weight:
227.77
MDL Number:
MFCD00011782
MOL File:
56-37-1.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-27 23:56:02

Benzyltriethylammonium chloride Properties

Melting point 190-192 °C (dec.) (lit.)
Boiling point 366.11°C (rough estimate)
Density 1.08 g/mL at 25 °C
bulk density 700kg/m3
refractive index n20/D 1.479
Flash point >100°C
storage temp. Store below +30°C.
solubility H2O: 0.1 g/mL, clear
form Liquid
color White to beige
PH Range 6 - 8
PH 6-8 (100g/l, H2O, 20℃)
Water Solubility 700 g/L (20 ºC)
Sensitive Hygroscopic
Decomposition 185°C
BRN 3574984
Stability Stable. Incompatible with strong oxidizing agents.
Cosmetics Ingredients Functions ANTISTATIC
InChI 1S/C13H22N.ClH/c1-4-14(5-2,6-3)12-13-10-8-7-9-11-13;/h7-11H,4-6,12H2,1-3H3;1H/q+1;/p-1
InChIKey HTZCNXWZYVXIMZ-UHFFFAOYSA-M
SMILES [Cl-].CC[N+](CC)(CC)Cc1ccccc1
CAS DataBase Reference 56-37-1(CAS DataBase Reference)
FDA UNII 46WDQ3ADML
EPA Substance Registry System Benzyltriethylammonium chloride (56-37-1)
UNSPSC Code 12352107
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xn,Xi
Risk Statements  36/37/38-20/21/22
Safety Statements  26-36-37/39-26 37/39-36/37/39
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  BO8400000
F  3
Autoignition Temperature 300 °C
TSCA  TSCA listed
HS Code  29239000
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
Toxicity LD50 orally in Rabbit: 2219 mg/kg
REACH Registrations Active
NFPA 704
2
2 0

Benzyltriethylammonium chloride price More Price(89)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 8.10298 Benzyltriethylammonium chloride for synthesis 56-37-1 100g $45.5 2026-04-30 Buy
Sigma-Aldrich 146552 Benzyltriethylammonium chloride 99% 56-37-1 25g $33.8 2026-04-30 Buy
Sigma-Aldrich 8.10298 Benzyltriethylammonium chloride for synthesis 56-37-1 500g $149 2026-04-30 Buy
Sigma-Aldrich 146552 Benzyltriethylammonium chloride 99% 56-37-1 100g $47.4 2026-04-30 Buy
TCI Chemical B0444 Benzyltriethylammonium Chloride >98.0%(T) 56-37-1 25g $19 2026-04-30 Buy
Product number Packaging Price Buy
8.10298 100g $45.5 Buy
146552 25g $33.8 Buy
8.10298 500g $149 Buy
146552 100g $47.4 Buy
B0444 25g $19 Buy

Benzyltriethylammonium chloride Chemical Properties, Uses, Production

Description

Benzyltrimethylammonium chloride is hygroscopic and soluble in water, ethanol, and butanol and slightly soluble in butyl phthalate and tributyl phosphate. It is widely used as a solvent for cellulose, a gelling inhibitor in polyester resins, a chemical intermediate, a paint dispersant, and an acrylic dyeing agent. It is also used in plant growth regulator compositions and synthetic processes.

Chemical Properties

white to light yellow crystal powder. soluble in water, aqueous solutions conduct electricity. It is hydrochloride salt of benzyltriethylammonium which acts as a phase-transfer catalyst in chemical reactions.

Uses

Benzyltriethylammonium chloride is used as a catalyst in the preparation of 2-phenylbutyronitrile from phenyl acetonitrile. It is involved in the Knoevenagel condensation of carbonyl compounds with active methylene compounds to give olefinic products. It acts as a phase transfer catalyst used in the alkylation reaction. It reacts with 1H-Pyridine-2-thione to get 2-Benzylsulfanyl-pyridine.

Application

Benzyltriethylammonium chloride is a lipophilic phase-transfer catalyst that can be used in phase-transfer catalysis (PTC) to catalyze polycondensation reactions to form high molecular weight polymers under bi-phasic conditions.
It can also be used:
To activate hydroxyapatite and natural phosphate for use as a solid support for Knoevenagel condensation and Claisen-Schmidt condensation, respectively at room temperature and in the absence of a solvent.
To increase the efficiency of mCPBA oxidation of sulfonimine generated from arenesulfonamide and diethyl acetal of an aromatic aldehyde to form 2-sulfonyloxaziridines.
In combination with antimony(V) chloride to form a catalytic system for the Friedel-Crafts acylation reactions of arenes with acyl and sulfonyl chlorides.

Preparation

Benzyltriethylammonium chloride synthesis: Add benzyl chloride, triethylamine and acetone into the reaction pot, and reflux at 63-64°C for 8 hours. Slowly lowered to 15°C, filtered, and the filter cake was washed with acetone and dried to obtain benzyltriethylammonium chloride. Yield 68.9%.

Safety Profile

Poison by intravenous route.When heated to decomposition it emits toxic vapors ofNOx and Cl.

Toxicology

Benzyltrimethylammonium chloride was not mutagenic in S. typhimurium strain TA97, TA98, TA100, or TA1535, with or without S9 metabolic activation enzymes. However, significant increases in the frequency of micronucleated normochromatic erythrocytes were found in the peripheral blood of male and female mice administered benzyltrimethylammonium chloride by gavage for 13 weeks. Based on the mortality observed in the 16-day and 13-week studies, rats and mice appeared to be equally sensitive to benzyltrimethylammonium chloride. The minimally toxic dose for rats and mice was estimated to be 50 mg/kg.

Solubility in organics

sol acetone, alcohol, H2O, 1% aq. NaOH; insol ether, 20% aq. NaOH

100-44-7
121-44-8
56-37-1
Synthesis of Benzyltriethylammonium chloride from Benzyl chloride and Triethylamine
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Related Questions

Ask a question
Q:Why is Benzyltriethylammonium chloride called a "phase transfer catalyst"?wipes - Apr 22,2026
A:Benzyltriethylammonium chloride (TEBA) is a commonly used quaternary ammonium salt organic catalyst. It is structurally stable and readily soluble in water and some organic solvents. It is called a phase-transfer catalyst because it can shuttle between immiscible aqueous and organic phases, carrying reactants from one phase to the other to participate in the reaction. This property effectively solves the problems of insufficient contact, slow rate, and harsh conditions in traditional heterogeneous reactions, thus significantly improving reaction efficiency. Therefore, it is widely used as a phase-transfer catalyst in organic synthesis.

View Latest Price from Benzyltriethylammonium chloride manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Benzyltriethylammonium chloride pictures 2026-09-24 Benzyltriethylammonium chloride
56-37-1
$75.00-100.00 1kg 99% 5000Ton HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
2,6-Dichlorobenzoic acid pictures 2026-09-24 2,6-Dichlorobenzoic acid
56-37-1
$666.00-999.00 1kg 99% 5000 HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
Benzyltriethylammonium chloride pictures 2026-09-24 Benzyltriethylammonium chloride
56-37-1
$1.00 1KG 99% 500mt Jinan Finer Chemical Co., Ltd
BENZYLTRIETYLAMMONIUM CHLORIDE BENZYL TRIMETHYL AMMONIUM CHLORIDE (BTMAC50) SURFACTANT BENZYL TRIMETHYL AMMONIUM CHLORIDE (BTMAC60) SURFACTANT BENZYLTRIETHYLAMMONIUM CHLORIDE TRIMETHYLBENZYLAMMONIUM CHLORIDE N,N,N'-TRIETHYLBENZENEMETHANAMINIUM CHLORIDE N,N,N-TRIETHYL-BENZENEMETHANAMINIUM CHLORIDE BTEAC N,N,N-Triethylbenzenemethanaminium chloride BENYLTRIETHYLAMMONIUM CHLORIDE pure Benzyltriethylammonium chloride ,98% Benzyltriethylaminium·chloride Triethylbenzylaminium·chloride Benzyltriethylammonium chloride,60 wt% solution in water Triethyl benzyl aMMoniuM chloride (TEBAC) Benzyltriethylammoni Benzyl chloride, triethylaMine BENZYLTRIETHYLAMMONIUM CHLORIDE FOR SYNT BenzyltriethylaMMoniuM chloride (TEBAC) BenzeneMethanaMiniuM,N,N,N-triethyl-, chloride (1:1) Benzenemethanaminium,N,N,N-triethyl-,chloride benzyltriethyl-ammoniuchloride Benzyltriethylammoniumchlor n,n,n-triethyl-benzenemethanaminiuchloride N,N,N-Triethylbenzenemethanammonium chloride BenzylTriethylAmmoniumChlorideForSynthesis BerylliumSulfate(Tetrahydrate)(Lab) BenzylTrimethylAmmoniumChlorideForSynthesis BENZYLTRIETHYLAMMONIUN CHLORIDE Benzyltriethylammonium chloride Vetec(TM) reagent grade, 98% N2,2,2,BzCl BENZYL TRI ETHYL AMMONIUM CHLORIDE & 50% H2O SOLUTION Benzyltriethylammonium chloride≥ 99% (Assay) Benzyl triethyl ammonium chloride in 50% H2O Solution Benzyl triethyl ammonium chloride Solid BENZYL TRI ETHYL AMMONIUM CHLORIDE & 50% H2O SOLUTION BTEACL Benzyltriethylammonium Chloride > Benzyltriethylammonium chloride, 98%, for synthesis Benzyl Triethyl Ammonium Chloride,99% Benzyltriethylammonium chloride ISO 9001:2015 REACH BENZYLTRIMETHYLAMMONIUMCHLORIDE(BTMACChemicalbook60)SURFACTANT Benzyl triethyl ammonium Chloride Solid & in 50% H2O Solution Benzyltriethylammonium chloride, 50% solution Benzyltriethylammonium chloride, GR 99%+ enzyltriethylammonium chloride Benzyltriethylammonium Chloride pure, 98% Benzyl triethylamine chloride Benzyltriethylammonium chloride (BTEAC/BTMAC) Benzyltriethylammonium chloride (6CI) Tri Ethyl Benzyl Ammonium Cloride TEBACL (TRI ETHYL BENZYL AMMONIUM CHLORIDE) Triethylbenzylamonium chloride Benzyltriethylammonium chloride in methanol Spiramycin Impurity 1 (Spiramycin EP Impurity A)(Neospiramycin I) Benzyltriethylammionium chloride Benzyltriethylammonium chloride(TEBA) Benzyltriethylammoniumchlorid BTMAC BTEAC