Cosmetic Ingredient

Polybutylene

Also known as: 1-Butene, homopolymer, poly(1-butene)

CAS 9003-28-5

Polybutylene (CAS 9003-28-5) is a chemical substance. Key regulatory status: 2 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA CPDat, AICIS.

View cosmetic safety profile for Polybutene →

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 5 fields
Name
Polybutylene
CAS Number
9003-28-5
DTXSID
DTXSID00904731
Synonyms
1-Butene, homopolymerpoly(1-butene)

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 3 records
Adhesion/cohesion promoter

Regulatory Lists

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

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

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
Rheology Modifier
View full cosmetic safety profile →

Frequently Asked Questions

What regulatory lists include Polybutylene?

Polybutylene appears on 2 regulatory/inventory lists including inert_ingredient; non_food_use; Pesticides, Indirect additives food contact (10/2018). Source: EPA CPDat.

Is Polybutylene used in cosmetics?

Yes, Polybutylene is also indexed as a cosmetic ingredient under the name Polybutene. 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 Polybutylene 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 Polybutylene used outside industrial chemicals?

Polybutylene also appears in cosmetics databases.