Benzethonium chloride CAS 121-54-0

Benzethonium chloride is a new type of quaternary ammonium antimicrobial agent, which has a wide range of applications in the daily-use chemicals and cosmetics industries.In addition, as a bactericidal antimicrobial agent it has important applications in the field of medicine and health, for example, as the bacteriostatic component of eye drops or as the bacteriostatic ingredient of injections has been widely used in western countries.Benzethonium chloride is an essential key intermediate in the production of heparin sodium products.

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Model:
121-54-0
Brand:
Futurechemical
Code:
121-54-0

Product Description

Benzethonium chloride Basic information
Product Name:	Benzethonium chloride
CAS:	121-54-0
MF:	C27H42ClNO2
MW:	448.08
EINECS:	204-479-9
Mol File:	121-54-0.mol
Benzethonium chloride Chemical Properties
Melting point	162-164 °C (lit.)
Boiling point	162℃[at 101 325 Pa]
bulk density	440kg/m3
density	0.998 g/mL at 20 °C
vapor pressure	< 0.001 hPa @ 2°C
refractive index	1.5650 (estimate)
storage temp.	2-8°C
solubility	H2O: 0.1 M at 20 °C, clear, colorless
form	Liquid
color	White
Odor	Odorless
PH	5.5-7.5 (25℃, 0.1M in H2O)
PH Range	5.5 - 7.5
Water Solubility	1-5 g/100 mL at 18 ºC
Sensitive	Hygroscopic
Merck	141,074
BRN	3898548
Stability:	Stability Stable, but hygroscopic. Incompatible with strong oxidizing agents, soap, anionic detergents, nitrates, acids. Light sensitive.
LogP	1.08 at 20℃
CAS DataBase Reference	121-54-0(CAS DataBase Reference)
EPA Substance Registry System	Benzethonium chloride (121-54-0)
Absorption	cut-off at 300nm in H2O at 0.1M

Product name	Benzethonium chloride	CAS No.	121-54-0
Item	Specification		Result
Appearance	White or off-white powder		Complies
Identification A	Produces a white precipitate which is insoluble in 2N nitric acid solution and soluble in 6N ammonia water		Complies
Identification B	The infrared absorption spectrum is consistent with the standard		Complies
Identification C	The peak retention time of the liquid phase is consistent with the standard		Complies
Assay	97.0-103.0%		99.8%
Melting point	158-163℃		161.4℃
Drying on loss	5%max		1.64%
PH	5.0-6.5		6.1
Residue on ignition	0.1%max		0.01%
Conclusion	PASS

Benzethonium chloride CAS 121-54-0 C27H42ClNO2 Industrial circulating water sterilization Agricultural bactericide

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.