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Benzalkonium chloride

Benzalkonium chloride, also known as BZK, BKC, BAC, alkyldimethylbenzylammonium chloride and ADBAC, is a type of cationic surfactant. It is an organic salt classified as a quaternary ammonium compound. It has three main categories of use: as a biocide, a cationic surfactant, and as a phase transfer agent. ADBACs are a mixture of alkylbenzyldimethylammonium chlorides, in which the alkyl group has various even-numbered alkyl chain lengths.

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Further Information

Names

Other names

-Alkyl–benzyl-,-dimethylammonium chloride; Alkyldimethylbenzylammonium chloride; ADBAC; BC50 BC80; Quaternary ammonium compounds; quats

Identifiers

CAS Number: 8001-54-5

ChEBI: CHEBI:3020

ChEMBL: ChEMBL502109

ECHA InfoCard: 100.058.301

EC Number: 264-151-6

KEGG: D00857

RTECS number: BO3150000

UNII: F5UM2KM3W7

Properties

Chemical formula: variable

Molar mass: variable

Appearance: 100% is white or yellow powder; gelatinous lumps; Solutions BC50 (50%) & BC80 (80%) are colorless to pale yellow solutions

Density: 0.98 g/cm

Solubility in water: very soluble

Pharmacology

ATC code: WHOD08AJ01

Hazards

EU classification: C, N

R-phrases: R21/22 R34 R50

S-phrases: (S2) S36/37/39 S45 S61

NFPA 704:

Flash point: 250 °C (482 °F; 523 K) (if solvent based)

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).