Benzalkonium chloride

Modify Date: 2026-07-06 18:15:12

Benzalkonium chloride Structure
Benzalkonium chloride structure
 Common Name Benzalkonium chloride
CAS Number 63449-41-2 Molecular Weight 311.933
Density 0.989 g/cm3 Boiling Point 100ºC
Molecular Formula C22H40ClN Melting Point -5ºC
MSDS Chinese USA Flash Point >100ºC
Symbol GHS05 GHS09
GHS05, GHS09		 Signal Word Danger

 Use of Benzalkonium chloride


Benzalkonium chloride (50% in Water) is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

Summary: Benzalkonium chloride (Chinese name: 苯扎氯铵，CAS number: 63449-41-2) is a compound with a molecular formula of C22H40ClN and a molecular weight of 311.933. It appears as a colorless to light yellow to light orange clear liquid, with a melting point of -5°C and a boiling point of 100°C. For research-use only, not for medical or clinical usage.

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Benzalkonium chloride
Synonym More Synonyms

 Benzalkonium chloride Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Benzalkonium chloride (50% in Water) is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 0.989 g/cm3
Boiling Point 100ºC
Melting Point -5ºC
Molecular Formula C22H40ClN
Molecular Weight 311.933
Flash Point >100ºC
Exact Mass 311.237976
LogP 7.37600
Water Solubility Miscible with water, methanol and acetone.

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
BO3151000
CHEMICAL NAME :
Ammonium, alkyl(C14-16)dimethylbenzyl-, chlorides
CAS REGISTRY NUMBER :
63449-41-2
LAST UPDATED :
199710

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1420 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Blood - hemorrhage
REFERENCE :
PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 12,1593,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Blood - hemorrhage
REFERENCE :
PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 12,1593,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
16 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 38,428,1949 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
650 mg/kg/13W-I
TOXIC EFFECTS :
Liver - liver function tests impaired Kidney, Ureter, Bladder - urine volume increased Blood - changes in bone marrow (not otherwise specified)
REFERENCE :
KHFZAN Khimiko-Farmatsevticheskii Zhurnal. Chemical Pharmaceutical Journal. For English translation, see PCJOAU. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1967- Volume(issue)/page/year: 12(12),61,1978
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
850 mg/kg/30D-I
TOXIC EFFECTS :
Related to Chronic Data - death
REFERENCE :
JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 38,428,1949
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
9100 mg/kg/52W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - chronic pulmonary edema Gastrointestinal - other changes Related to Chronic Data - death
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 3,584,1961 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS05 GHS09
GHS05, GHS09
Signal Word Danger
Hazard Statements H314-H400
Precautionary Statements P273-P280-P305 + P351 + P338-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C: Corrosive;N: Dangerous for the environment;
Risk Phrases R21/22;R34;R50
Safety Phrases 36/37/39-45-61
RIDADR UN 2923
WGK Germany 3
RTECS BO3151000
Packaging Group III

 Articles3

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

The role of the qacA gene in mediating resistance to quaternary ammonium compounds.

Microb. Drug Resist. , (2012)

Conditions facilitating resistance to quaternary ammonium compounds (QACs) were investigated in Staphylococcus aureus SK982 exposed to benzalkonium chloride (BAC; a member of QACs) under various circu...

Assessment of susceptibility of mould isolates towards biocides.

J. Mycol. Med. 25 , 280-6, (2015)

The aim of this study was to determine the susceptibility of 77 mould strains: Aspergillus fumigatus (20), Aspergillus flavus (8), Aspergillus niger (4), Aspergillus ochraceus (2), Penicillium citrinu...

Evaluation of epidemiological cut-off values indicates that biocide resistant subpopulations are uncommon in natural isolates of clinically-relevant microorganisms.

PLoS ONE 9 , e86669, (2014)

To date there are no clear criteria to determine whether a microbe is susceptible to biocides or not. As a starting point for distinguishing between wild-type and resistant organisms, we set out to de...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

N-Benzyl-N,N-dimethyl-1-decanaminium chloride
Benzenemethanaminium, N-decyl-N,N-dimethyl-, chloride
Benzyl-C8-18-alkyldimethylammonium chlorides
MFCD00145757
Benzenemethanaminium, N-decyl-N,N-dimethyl-, chloride (1:1)
EINECS 264-151-6
N-benzyl-N,N-dimethyldecan-1-aminium chloride

 Benzalkonium chloride | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular formula of Benzalkonium chloride?
A: Molecular formula of Benzalkonium chloride is C22H40ClN.
Q: What is the English name of Benzalkonium chloride?
A: The English name of Benzalkonium chloride is Benzalkonium chloride.
Q: What is the molecular weight of Benzalkonium chloride?
A: Molecular weight of Benzalkonium chloride is 311.933.
Q: What is the LogP of Benzalkonium chloride?
A: LogP of Benzalkonium chloride is 7.37600.
Q: What are the uses of Benzalkonium chloride?
A: Main uses of Benzalkonium chloride: Benzalkonium chloride (50% in Water) is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Q: What English synonyms does Benzalkonium chloride have?
A: English synonyms of Benzalkonium chloride: N-Benzyl-N,N-dimethyl-1-decanaminium chloride, Benzenemethanaminium, N-decyl-N,N-dimethyl-, chloride, Benzyl-C8-18-alkyldimethylammonium chlorides, MFCD00145757, Benzenemethanaminium, N-decyl-N,N-dimethyl-, chloride (1:1), EINECS 264-151-6, N-benzyl-N,N-dimethyldecan-1-aminium chloride.
Q: What is the CAS number of Benzalkonium chloride?
A: CAS number of Benzalkonium chloride is 63449-41-2.
Q: How is the water solubility of Benzalkonium chloride?
A: Water solubility of Benzalkonium chloride: Miscible with water, methanol and acetone.
Q: What is the boiling point of Benzalkonium chloride?
A: Boiling point of Benzalkonium chloride is 100ºC.
Q: What is the melting point of Benzalkonium chloride?
A: Melting point of Benzalkonium chloride is -5ºC.

 Benzalkonium chloridefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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Chemsrc provides Benzalkonium chloride(CAS#:63449-41-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Benzalkonium chloride are included as well.>> amp version: Benzalkonium chloride

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