Ceteth-20 Phosphate

Also known as: Poly(oxy-1,2-ethanediyl), .alpha.-hexadecyl-.omega.-hydroxy-, phosphate, Polyethylene glycol hexadecyl ether phosphate

INCI: CETETH-20 PHOSPHATE

Ceteth-20 Phosphate (CAS 50643-20-4) is a cosmetic cosmetic ingredient functioning as Cleansing, Surfactant; emulsion stabilizer. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 50643-20-4 →

Auto-generated CPSR Part A draft with source citations
Function
Cleansing, Surfactant; emulsion stabilizer
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C18H39O5P
MW
366.5 g/mol
PubChem CID
62008
IUPAC Name
2-hexadecoxyethyl dihydrogen phosphate
InChIKey
OLORIKAYHUAJHN-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes No specific CIR monograph; DEA-salt form (DEA-Ceteth-2 Phosphate) was flagged in SCCNFP dialkanolamines opinion

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Ceteth-20 Phosphate.

Calculate MoS for your specific formulation with the MoS Calculator.

Additional Ingredient Properties

1 property record from structured ingredient metadata.

sensory
{"silky": "waxy", "smooth, glides easily": "smooth, emulsifies", "dry-touch, non-greasy": "soft, conditioned", "instant": "moderate", "low": "high", "w/o": "o/w", "very-high": "moderate", "no": "yes", "yes": "no", "light-diffusing": "matte", "1.40": "1.46", "transparent": "opaque", "colorless": "white", "excellent": "fair", "light": "medium", "synthetic": "synthetic"}

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Cleaning agent Emulsifier Surfactant (surface active agent)

Expert Verdict

Expert safety assessment and concern-level summary for Ceteth-20 Phosphate.

Known Synonyms

Poly(oxy-1,2-ethanediyl), .alpha.-hexadecyl-.omega.-hydroxy-, phosphate Polyethylene glycol hexadecyl ether phosphate

Chemical Function

Surfactant (surface active agent) Emulsifier Cleaning agent

Regulatory Lists

inert_ingredient; non_food_use; Pesticides

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Ceteth-20 Phosphate safe in cosmetics?

Ceteth-20 Phosphate has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Ceteth-20 Phosphate allowed in the EU?

Ceteth-20 Phosphate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ceteth-20 Phosphate do in cosmetics?

Ceteth-20 Phosphate functions as: Cleansing, Surfactant; emulsion stabilizer. It is classified as a cosmetic ingredient in our database. CAS number: 50643-20-4.

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