REACH Registered Cosmetic Ingredient

Benzene, ethenyl-, polymer with (1-methylethenyl)benzene

Also known as: α-Methylstyrene-styrene copolymer, Benzene, (1-methylethenyl)-, polymer with ethenylbenzene, Styrene, polymer with α-methylstyrene, Styrene, α-methyl-, polymer with styrene

CAS 9011-11-4

Benzene, ethenyl-, polymer with (1-methylethenyl)benzene (CAS 9011-11-4) is a chemical substance. Key regulatory status: REACH registered, 2 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA CPDat, AICIS, ECHA REACH.

View cosmetic safety profile for Styrene/Methylstyrene Copolymer →

SOURCE noael studies public
NOAEL studies
0
SOURCE chemical inventory jurisdictions
Regulatory lists
2
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 7 fields
Name
Benzene, ethenyl-, polymer with (1-methylethenyl)benzene
CAS Number
9011-11-4
DTXSID
DTXSID40904972
Synonyms
α-Methylstyrene-styrene copolymerBenzene, (1-methylethenyl)-, polymer with ethenylbenzeneStyrene, polymer with α-methylstyreneStyrene, α-methyl-, polymer with styrene

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 3 records
BinderDepilatoryFiller

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 2 records
ListKeywordSource
Indirect additives food contact (10/2018)FDAUnited States Food and Drug Administration (FDA)
inert_ingredient; non_food_use; PesticidesEPACPCat

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
Registeredprop-1-en-2-ylbenzene; styrene618-465-9ECHA overview →

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
Cosmetic Ingredient
View full cosmetic safety profile →

Frequently Asked Questions

What regulatory lists include Benzene, ethenyl-, polymer with (1-methylethenyl)benzene?

Benzene, ethenyl-, polymer with (1-methylethenyl)benzene appears on 2 regulatory/inventory lists including Indirect additives food contact (10/2018), inert_ingredient; non_food_use; Pesticides. Source: EPA CPDat.

Is Benzene, ethenyl-, polymer with (1-methylethenyl)benzene used in cosmetics?

Yes, Benzene, ethenyl-, polymer with (1-methylethenyl)benzene is also indexed as a cosmetic ingredient under the name Styrene/Methylstyrene Copolymer. 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 Benzene, ethenyl-, polymer with (1-methylethenyl)benzene come from?

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

Is Benzene, ethenyl-, polymer with (1-methylethenyl)benzene used outside industrial chemicals?

Benzene, ethenyl-, polymer with (1-methylethenyl)benzene also appears in cosmetics databases.