Is Styrene/Butadiene Copolymer safe in cosmetics?
Styrene/Butadiene Copolymer has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Styrene/Butadiene Copolymer
Also known as: S6F histyrene resin, 1,3-Butadiene, polymer with styrene, 1,3-Butadiene-ethenylbenzene copolymer, Butadiene-styrene rubber, Butadiene-styrol copolymer (+15 more)
INCI: STYRENE/BUTADIENE COPOLYMER
Styrene/Butadiene Copolymer (CAS 9003-55-8) is a cosmetic cosmetic ingredient functioning as Opacifying. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 9003-55-8 →
Auto-generated CPSR Part A draft with source citations
Function
Opacifying
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; also FDA-approved as direct food additive (butadiene-styrene rubber) . CIR: safe as used
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Styrene/Butadiene Copolymer.
Calculate MoS for your specific formulation with the MoS Calculator.
IARC Carcinogenicity
International Agency for Research on Cancer (WHO) monograph evaluation.
IARC Group
3
Volume
19, Sup 7
Evaluation Year
1987
Additional Ingredient Properties
1 property record from structured ingredient metadata.
polymer
{"cas_number": "9003-55-8", "ingredient_class": "film_former/texture_modifier", "polymer_type": "synthetic_copolymer", "chemical_backbone": "styrene", "molecular_weight_Da_range": "100000-800000", "ionic_character": "nonionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Adhesion/cohesion promoter
Anti-redeposition agent
Binder
Degradant/impurity
Dispersing agent
Filler
Film former
Flavouring and nutrient
Opacifer
Plasticizer
Regulatory List Membership (1)
FDA Substances Added to Food (EAFUS)
Expert Verdict
Expert safety assessment and concern-level summary for Styrene/Butadiene Copolymer.
Regulatory Flags
fda_food_additive
Known Synonyms
S6F histyrene resin
1,3-Butadiene, polymer with styrene
1,3-Butadiene-ethenylbenzene copolymer
Butadiene-styrene rubber
Butadiene-styrol copolymer
Dowtex TL 612
Goodrite 1800X73
Litex CA
Plioflex
Pliolite S5
Pliolite S-5B
Pliolite S-5C
Pliolite S-5E
Polystyrene-polybutadiene
Rubber, butadiene-styrene
SBS copolymer
SD 345
Solprene 300
Solprene 303
Styrene block polymer with 1,3-butadiene
Chemical Function
Opacifer
Binder
Regulatory Lists
inert_ingredient; Pesticides
inert_ingredient; non_food_use; Pesticides
CEDI
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)
Europe; Toys and children's products
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
Europe; Toys and children's products
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Styrene/Butadiene Copolymer allowed in the EU?
Styrene/Butadiene Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Styrene/Butadiene Copolymer do in cosmetics?
Styrene/Butadiene Copolymer functions as: Opacifying. It is classified as a cosmetic ingredient in our database. CAS number: 9003-55-8.
Compliance Tools
Check Styrene/Butadiene Copolymer compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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