Surfactants - Cationic Available — Bulk Only

Benzethonium Chloride

CAS 121-54-0 · Formula C27H42ClNO2 · MW 448.1 g/mol

A broad-utility cationic quaternary for cleaning, preservation, and water-treatment chemistry. Established uses include service as a cationic detergent, a germicide for cleansing food and dairy utensils, a swimming-pool algaecide, and a preservative in cosmetics.

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UN Number
UN 3261
Hazard Class
Class 8
At a Glance
Material Family
Surfactants - Cationic
Record Type
Pure compound
Primary Role
Biocidal Action · Preservation
Solubility
10 to 50 mg/mL at 18 °C
Functional Roles
BENZETHONIUM CHLORIDE
ANTIMICROBIALDEODORANTPRESERVATIVESURFACTANT - DISPERSING
Applications & Use Cases
  • Cleaning: cationic detergent and surface-active agent
  • Water treatment: swimming-pool algaecide
  • Food-contact sanitation: germicide for cleansing utensils
  • Cosmetics: preservative ingredient
Physical Properties
Melting Point
327 to 166 °C
Solubility
10 to 50 mg/mL at 18 °C
pH
PH OF 1% AQ SOLN IS BETWEEN 4.8 & 5.5
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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DOT / UN Transport Classification
DOT hazard class 8 placard
UN / DOT NumberUN 3261
Hazard Class / DivisionClass 8
Proper Shipping NameCorrosive solid, acidic, organic, n.o.s

Transport classification per the UN Model Regulations / 49 CFR 172.101 Hazardous Materials Table. Confirm against the grade-specific SDS (Section 14) before shipping.

Chemical Identity
CAS Number
121-54-0
Molecular Formula
C27H42ClNO2
Molecular Weight
448.1 g/mol
IUPAC Name
benzyl-dimethyl-[2-[2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethoxy]ethyl]azanium chloride
INCI Name
BENZETHONIUM CHLORIDE
PubChem CID
InChI Key
UREZNYTWGJKWBI-UHFFFAOYSA-M
Synonyms & Trade Names
benzethonium chloride Hyamine Phemeride Phemerol Chloride Benzethoniumchloride Quatrachlor Disilyn Kylacol Phemithyn Diapp Hyamine 1622 Chlorure de benzethonium Benzetonium chloride Antiseptol Banagerm Inactisol Phemerol Sanizol Anti-germ 77
Full Description

Benzethonium Chloride (CAS 121-54-0) is a quaternary ammonium cationic surfactant. Established uses include service as a cationic detergent, a germicide for cleansing food and dairy utensils, a swimming-pool algaecide, and a preservative in cosmetics. Supplied in bulk for industrial and personal-care formulation.

Frequently Asked Questions

What is Benzethonium Chloride USP used for?

Benzethonium chloride (CAS 121-54-0) is a quaternary ammonium cationic surfactant. Established industrial uses include service as a cationic detergent, a germicide for cleansing food and dairy utensils, a swimming-pool algaecide, and a preservative ingredient in cosmetic formulations.

What CAS number and molecular formula does Benzethonium Chloride USP carry?

CAS 121-54-0, molecular formula C27H42ClNO2. It is supplied to USP grade for personal-care and industrial formulation. Request the CoA against USP specifications with each lot.

Does Benzethonium Chloride USP ship with an SDS and CoA?

Yes. Every bulk shipment includes a current SDS and a lot-specific Certificate of Analysis showing assay against the USP monograph. Consult the SDS for GHS classification and handling, storage, and PPE guidance.

What bulk packaging and minimum order quantities are available?

Benzethonium chloride is supplied in bulk for industrial and personal-care use; available pack sizes and MOQ depend on grade and stock. Submit a bulk RFQ with your target volume and packaging preference for confirmation.

What is the price of bulk Benzethonium Chloride USP?

We quote per order rather than publish a list price, because cost tracks volume, grade, and current cationic-surfactant markets. Send a bulk RFQ with your annual or per-order volume and we will return a quote with CoA and SDS.

Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.