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Benzalkonium chloride

Benzalkonium chloride

Basic Information

CAS No.: 63449-41-2
Molecular Formula: C17H30ClN
Molecular Weight: 283.88

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Product Details

Benzalkonium chlorides (BACs), also known as alkyl dimethyl benzyl ammonium chlorides, alkyl dimethyl (phenylmethyl) quaternary ammonium chlorides, ammonium alkyl dimethyl (phenylmethyl) chlorides, or ammonium alkyl dimethyl benzyl chlorides, are a class of quaternary ammonium compounds (QACs). They are usually commercialized as a mixture of compounds with different lengths for the alkyl chain, ranging from C8 to C18, with higher biocide activity for C12 and C14 derivatives.


Chemical Properties
PropertyValue

Melting Point

-5°C

Boiling Point

100°C

Density

0,989 g/cm3

Vapor Pressure

130 mPa @ 20°C

Fp

>100°C

Storage Temp.

2-8°C

Solubility

Chloroform (Slightly), Methanol (Slightly)

Form

Semisolid

Color

Pale yellow

PH Range

6 - 9

Biological Source

Synthetic

Water Solubility

Miscible with water, methanol and acetone.

Merck

14,1059

BRN

4062599

Stability:

Hygroscopic

EPA Substance Registry System

C8-18-Alkydimethylbenzyl ammonium chlorides (63449-41-2)


Safety Information

PropertyValue
Hazard SymbolsC, N
Hazard Class Codes21/22-34-50
Safety Descriptions36/37/39-45-61-60-26
UN Dangerous Goods NumberUN 2923 8/PG 3
WGK Germany3
RTECS NumberBO3151000
F3-9
TSCATSCA listed
Hazard Class8
Packing GroupIII
HS Code34021200
Storage Class8A - Combustible, corrosive substances
Hazard Class (category)Acute toxicity, Category 4, Oral
Hazardous to the aquatic environment — acute hazard, Category 1
Hazardous to the aquatic environment — long-term hazard, Category 1
Serious eye damage, Category 1
Skin corrosion, Category 1B
ToxicityLD50 oral in mouse: 150 mg/kg


Product Usage
Benzalkonium Chloride is a cationic surfactant, appearing as white crystals or light yellow liquid, easily soluble in water and ethanol. It has good bactericidal and disinfectant effects, with strong compatibility and no obvious irritation. Its core application is disinfection, widely used in medical, health and daily chemical fields, which can quickly kill bacteria, fungi and viruses. It is often used for disinfecting skin, mucous membranes and the environment, as well as disinfecting medical devices. At the same time, it can be used as a phase transfer catalyst to accelerate organic reactions and improve reaction efficiency. In addition, it is also used in textile and water treatment fields, effectively inhibiting the growth of microorganisms and ensuring product quality. It is a highly practical chemical raw material with small dosage and remarkable effect, widely used in daily production and life.

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