Is Silica Silylate safe in cosmetics?
Silica Silylate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Silica Silylate
Also known as: EINECS 272-697-1, Hexamethyldisilazane, silica reaction product, Hydrolysis products of 1,1,1-trimethyl-N-(trimethylsilyl)silanamine with silica
INCI: SILICA SILYLATE
Silica Silylate (CAS 68909-20-6) is a cosmetic cosmetic ingredient functioning as Anticaking, Antifoaming, Bulking, Emulsion Stabilising, Skin Conditioning,. EU Regulation 1223/2009 status: permitted, max No limit (non-nano); nano form subject to Article 16 notification. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 68909-20-6 →
Auto-generated CPSR Part A draft with source citations
Function
Anticaking, Antifoaming, Bulking, Emulsion Stabilising, Skin Conditioning, Viscosity Controlling
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
EU Max Conc.
No limit (non-nano); nano form subject to Article 16 notification
US US Status
permitted
US Notes
CIR 2013 safe as used when formulated not to be irritating/sensitizing to respiratory tract.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Silica Silylate.
Calculate MoS for your specific formulation with the MoS Calculator.
EU CLP Annex VI Harmonized Classification
Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.
Signal Word
Warning
Pictograms
Health Hazard
Hazard Class and Category
STOT RE 2
Hazard Statements
- H373 (inhalation) (lungs)
Inserted via ATP: ATP18
Additional Ingredient Properties
4 property records from structured ingredient metadata.
deodorant
{"cas_number": "68909-20-6", "ingredient_class": "sweat_absorber", "mechanism_of_action": "odor_absorption", "antiperspirant_efficacy_sweat_reduction_pct": "0", "deodorant_efficacy_hours": "12-24", "odor_reduction_pct": "45-65", "bacteriostatic": "no", "bactericidal": "no", "microbiome_impact": "neutral", "axillary_microbiome_effect": "varies by ingredient", "MIC_value_if_antimicrobial": "varies",…
polymer
{"cas_number": "68909-20-6", "ingredient_class": "texture_modifier/oil_absorbing", "polymer_type": "other", "chemical_backbone": "other", "ionic_character": "nonionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_transparency": "transparent", "removability": "easy", "flya…
sensory
{"silky": "powdery", "smooth, glides easily": "velvety, water-resistant", "dry-touch, non-greasy": "dry, protected", "instant": "instant", "low": "low", "w/o": "w/o", "very-high": "excellent", "no": "yes", "yes": "yes", "light-diffusing": "blurring", "1.40": "1.46", "transparent": "opaque", "colorless": "white", "excellent": "excellent", "light": "light", "synthetic": "synthetic"}
silicone
{"cas_number": "68909-20-6", "silicone_class": "silsesquioxane", "molecular_weight_Da": "2200.0", "viscosity_cSt": "powder", "volatility": "non_volatile", "evaporation_rate_relative_to_D5": "0.0001", "refractive_index": "1.42", "specific_gravity": "1.4", "flash_point_C": "210.0", "surface_tension_mN_m": "25.0", "spreading_coefficient": "2.3", "film_forming_ability": "excellent", "skin_feel": "powd…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Filler
Processing aids not otherwise specified
Surface modifier
Thickening agent
Regulatory List Membership (1)
EPA Safer Chemical Ingredients List (SCIL)
Expert Verdict
Expert safety assessment and concern-level summary for Silica Silylate.
Regulatory Flags
NANOMATERIAL
NEW_REGULATION
epa_safer_alternative
Known Synonyms
EINECS 272-697-1
Hexamethyldisilazane, silica reaction product
Hydrolysis products of 1,1,1-trimethyl-N-(trimethylsilyl)silanamine with silica
Chemical Function
Processing aids not otherwise specified
Filler
Surface modifier
Thickening agent
Regulatory Lists
SCIL (9/2019)
CEDI
inert_ingredient; Pesticides
inert_ingredient; non_food_use; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Silica Silylate allowed in the EU?
Silica Silylate EU regulatory status: permitted. Maximum allowed concentration: No limit (non-nano); nano form subject to Article 16 notification. This is based on EU Regulation 1223/2009 and its amendments.
What does Silica Silylate do in cosmetics?
Silica Silylate functions as: Anticaking, Antifoaming, Bulking, Emulsion Stabilising, Skin Conditioning, Viscosity Controlling. It is classified as a cosmetic ingredient in our database. CAS number: 68909-20-6.
Compliance Tools
Check Silica Silylate compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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(APPLE/CITRUS JUNOS/LENTIL/PEAR/PUMPKIN/STRAWBERRY/TOMATO FRUIT)/CORN KERNEL/(ARCTIUM LAPPA/BRASSICA OLERACEA ACEPHALA/CABBAGE/CAMELLIA SINENSIS/MORINGA OLEIFERA/RADISH/SPINACH LEAF)/(SORGHUM BICOLOR LEAF/STEM)/OAT MEAL/POTATO PULP/(CARROT/NELUMBO NUCIFERA/RADISH/WILD YAM ROOT)/(AMARANTHUS HYPOCHONDRIACUS/CASHEW/CICER ARIETINUM/COIX LACRYMA-JOBI MA-YUEN /MACADAMIA TERNIFOLIA/PHASEOLUS ANGULARIS/PISTACIA VERA/RHYNCHOSIA NULUBILIS/RICE/SESAME/SETARIA ITALICA/SOYBEAN/SWEET ALMOND/WHEAT SEED)/HORDEUM VULGARE SPROUT/CYPERUS ESCULENTUS TUBER/ARTEMISIA PRINCEPS/BROCCOLI/CHENOPODIUM QUINOA/ENTEROMORPHA COMPRESSA/HORDEUM VULGARE/IPOMOEA BATATAS/LAMINARIA JAPONICA/LENTINUS EDODES/PLEUROTUS OSTREATUS/PORPHYRA TENERA/UNDARIA PINNATIFIDA EXTRACT
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