Is Acrylates/Stearyl Methacrylate Copolymer safe in cosmetics?
Acrylates/Stearyl Methacrylate Copolymer has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Acrylates/Stearyl Methacrylate Copolymer
INCI: ACRYLATES/STEARYL METHACRYLATE COPOLYMER
Acrylates/Stearyl Methacrylate Copolymer (CAS Not assigned (listed as "X" without CAS in CIR)) is a cosmetic cosmetic ingredient functioning as Film forming, viscosity controlling. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS Not assigned (listed as "X" without CAS in CIR) →
Auto-generated CPSR Part A draft with source citations
CAS Number
Not assigned (listed as "X" without CAS in CIR)
View industrial chemical safety profile →
Function
Film forming, viscosity controlling
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
CIR 2018 amended report — safe in present practices of use when formulated to be non-irritating
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Acrylates/Stearyl Methacrylate Copolymer.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
2 property records from structured ingredient metadata.
polymer
{"ingredient_class": "thickener/emulsion_stabilizer", "polymer_type": "synthetic_copolymer", "chemical_backbone": "acrylic", "molecular_weight_Da_range": "780000-4350000", "ionic_character": "anionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_transparency": "transparen…
rheology
{"cas_number": "136548-45-1", "rheology_modifier_type": "Synthetic Polymer - Stearyl methacrylate", "thickening_mechanism": "Hydrophobic association with surfactants", "viscosity_increase_factor": "40000-100000x", "brookfield_viscosity_typical_cps": "29000-60000", "shear_thinning_behavior": "Yes", "thixotropic": "Yes", "yield_stress_pa": "35-60", "flow_curve_type": "Pseudoplastic with yield stress…
Expert Verdict
Expert safety assessment and concern-level summary for Acrylates/Stearyl Methacrylate Copolymer.
Frequently Asked Questions
Is Acrylates/Stearyl Methacrylate Copolymer allowed in the EU?
Acrylates/Stearyl Methacrylate Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Acrylates/Stearyl Methacrylate Copolymer do in cosmetics?
Acrylates/Stearyl Methacrylate Copolymer functions as: Film forming, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (listed as "X" without CAS in CIR).
Compliance Tools
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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