Phenyl Dimethicone

INCI: PHENYL DIMETHICONE

Phenyl Dimethicone (CAS 9005-12-3) is a cosmetic cosmetic ingredient functioning as Antifoaming agent, skin conditioning agent. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 9005-12-3 →

Auto-generated CPSR Part A draft with source citations
Function
Antifoaming agent, skin conditioning agent
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C7H8OSi
MW
136.22 g/mol
PubChem CID
3032548
IUPAC Name
methyl-oxo-phenylsilane
InChIKey
IXKNJYSAWNJQQY-UHFFFAOYSA-N

Regulatory Status

EU EU Status restricted
US US Status permitted
US Notes FDA-permitted. CIR (2023): Safe in present practices of use and concentration, except insufficient data for products that may be incidentally inhaled

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Phenyl Dimethicone.

Calculate MoS for your specific formulation with the MoS Calculator.

Additional Ingredient Properties

2 property records from structured ingredient metadata.

silicone
{"cas_number": "63148-58-3", "silicone_class": "phenyl_trimethicone", "molecular_weight_Da": "650.0", "viscosity_cSt": "25", "volatility": "non_volatile", "evaporation_rate_relative_to_D5": "0.05", "refractive_index": "1.465", "specific_gravity": "1.0", "flash_point_C": "115.0", "surface_tension_mN_m": "24.8", "spreading_coefficient": "3.4", "film_forming_ability": "excellent", "skin_feel": "silky…
solubility_hlb
{"water_soluble": "no", "oil_soluble": "yes", "soluble_in": "silicones, oils", "insoluble_in": "water, glycerin, ethanol, propylene glycol", "log_p": "7.5", "appearance": "clear liquid", "source": "Momentive"}

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Defoamer Fragrance Humectant Softener and conditioner
Regulatory List Membership (1)
FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for Phenyl Dimethicone.

Chemical Function

Softener and conditioner Defoamer

Regulatory Lists

Indirect additives food contact (10/2018)

Frequently Asked Questions

Is Phenyl Dimethicone safe in cosmetics?

Phenyl Dimethicone has a safety rating of "GOOD" in our database. EU status: restricted. US status: permitted.

Is Phenyl Dimethicone allowed in the EU?

Phenyl Dimethicone EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Phenyl Dimethicone do in cosmetics?

Phenyl Dimethicone functions as: Antifoaming agent, skin conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: 9005-12-3.

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