Surfactants - Anionic Available — Bulk Only

Potassium Cetyl Phosphate (Cetyl Phosphate, Potassium Salt)

CAS 19035-79-1 · Formula C16H34KO4P · MW 360.51 g/mol

An anionic phosphate-ester emulsifier supplied for robust oil-in-water emulsions in personal-care and industrial systems. It functions as an emulsifier and surface-active agent in cosmetic and personal-care formulations.

Request SDS
HS Code
3402.39
At a Glance
Material Family
Surfactants - Anionic
Record Type
Pure compound
Primary Role
Cleaning / Degreasing · Surfactancy
Functional Roles
POTASSIUM CETYL PHOSPHATE
SURFACTANT - CLEANSINGSURFACTANT - EMULSIFYING
Applications & Use Cases
  • Emulsification: Anionic oil-in-water emulsifier
  • Surface activity: Surface-active agent in formulated products
  • Emulsion stabilizing: Builds stable, structured emulsions
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.

Request SDS →
HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
3402 . 39
Chapter 34
Soap, organic surface-active agents, washing and lubricating preparations, waxes
Heading 34.02
Internationally harmonized (WCO HS)
Subheading 3402.39
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
19035-79-1
Molecular Formula
C16H34KO4P
Molecular Weight
360.51 g/mol
IUPAC Name
potassium hexadecyl hydrogen phosphate
INCI Name
POTASSIUM CETYL PHOSPHATE
PubChem CID
InChI Key
RMGVATURDVPNOZ-UHFFFAOYSA-M
Synonyms & Trade Names
Potassium cetyl phosphate cetylphosphate potassium salt Potassium hexadecyl hydrogenphosphate Potassium hexadecyl hydrogen phosphate potassium;hexadecyl hydrogen phosphate 1-Hexadecanol, 1-(dihydrogen phosphate), potassium salt (1:1) 1-Hexadecanol, dihydrogen phosphate, monopotassium salt Potassium Hexadecyl Hydrogenphosphate (~90%) AMPHISOL K Emulsiphos Emulsiphos; Potassium Cetyl Phosphate
Full Description

Potassium cetyl phosphate (CAS 19035-79-1) is the potassium salt of cetyl (hexadecyl) phosphate ester, an anionic surfactant. It functions as an emulsifier and surface-active agent in cosmetic and personal-care formulations. It is a reviewed cosmetic ingredient used in emulsion systems.

Frequently Asked Questions

What is potassium cetyl phosphate used for?

Potassium cetyl phosphate (CAS 19035-79-1) is an anionic surfactant used as an oil-in-water emulsifier and surface-active agent that builds stable, structured emulsions in cosmetic and personal-care formulations.

What is potassium cetyl phosphate in skincare?

In cosmetic formulations it functions as an anionic emulsifier and emulsion stabilizer, helping form and hold oil-in-water emulsions. It is a reviewed cosmetic ingredient used in emulsion systems; consult the SDS for handling information.

What is the chemical name and formula of potassium cetyl phosphate?

It is the potassium salt of cetyl (hexadecyl) phosphate ester, an anionic surfactant, with formula C16H34KO4P and CAS 19035-79-1. HS classification is 3402.39 (anionic organic surface-active agents).

What grade and documentation do you supply?

We supply potassium cetyl phosphate against its CoA and SDS. Request both to confirm specifications, identity, and lot data meet your emulsion-system formulation requirements before purchase.

How is bulk potassium cetyl phosphate quoted?

Pricing depends on packaging and volume. Submit a bulk RFQ with your target quantity and packaging (pails, drums, totes) for current pricing with CoA and SDS; we do not publish list prices.

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.