Cosmetic Ingredient

Polyoxypropylene methyldiethylammonium chloride

Also known as: Poly[oxy(methyl-1,2-ethanediyl)], α-[2-(diethylmethylammonio)methylethyl]-ω-hydroxy-, chloride, PPG-25 diethylmonium chloride, Quaternium 21, Quaternium 6, Adekacol EC-CC 9 (+13 more)

CAS 9042-76-6

Polyoxypropylene methyldiethylammonium chloride (CAS 9042-76-6) is a chemical substance. Key regulatory status: cosmetic ingredient cross-reference; source data from EPA CPDat, AICIS.

View cosmetic safety profile for PEG-9 Diethylmonium Chloride →

SOURCE noael studies public
NOAEL studies
0
SOURCE chemical inventory jurisdictions
Regulatory lists
0
SOURCE eu clp annex vi
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 21 fields
Name
Polyoxypropylene methyldiethylammonium chloride
CAS Number
9042-76-6
DTXSID
DTXSID60920391
Synonyms
Poly[oxy(methyl-1,2-ethanediyl)], α-[2-(diethylmethylammonio)methylethyl]-ω-hydroxy-, chloridePPG-25 diethylmonium chlorideQuaternium 21Quaternium 6Adekacol EC-CC 9Poly[oxy(methyl-​1,​2-​ethanediyl)​]​, α-​[2-​(diethylmethylammoni​o)​methylethyl]​-​ω-​hydroxy-​, chloride (1:1)Adekacol CC 12Adekacol CC 15Adekacol CC 36Adekacol CC 42Adekacol CC 9Emcol CC 25

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 5 records
Surfactant (surface active agent)Anti-static agentEmulsifierSoftener and conditioner

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records
Inventory Status
listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Hair Conditioning
View full cosmetic safety profile →

Frequently Asked Questions

Is Polyoxypropylene methyldiethylammonium chloride used in cosmetics?

Yes, Polyoxypropylene methyldiethylammonium chloride is also indexed as a cosmetic ingredient under the name PEG-9 Diethylmonium Chloride. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for Polyoxypropylene methyldiethylammonium chloride come from?

Safety data is sourced from EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Is Polyoxypropylene methyldiethylammonium chloride used outside industrial chemicals?

Polyoxypropylene methyldiethylammonium chloride also appears in cosmetics databases.