Product Name: Caprylyl Methicone
Chemical Name: Caprylyl Trimethicone
Synonyms: Octyl Methicone, Caprylyl Trimethylsiloxy Silane
CAS Number: 63148-62-9
Use: Used in personal care and cosmetic products
Supplier: Information available upon request for traceability
Emergency Contact: Refer to local emergency poison control or chemical emergency line
GHS Classification: Not classified as hazardous
Label Elements: No hazard pictograms required
Signal Word: None
Hazard Statements: Product not considered hazardous under normal conditions and proper use
Precautionary Statements: Avoid contact with eyes and excessive inhalation of vapors or mists. Prolonged exposure may lead to mild eye or skin irritation.
Other Hazards: Slippery when spilled; keep away from sources of ignition
Main Ingredient: Caprylyl Methicone (Polyether-modified siloxane)
Chemical Formula: C16H38O2Si2
Purity: Typically greater than 97%
Impurities: Trace residual monomers below regulatory thresholds
Stabilizers or Additives: None present above reportable limits
Inhalation: Remove individual to fresh air. Seek medical attention if symptoms persist.
Skin Contact: Remove contaminated clothing. Wash skin thoroughly with soap and water.
Eye Contact: Rinse eyes cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
Ingestion: Do not induce vomiting. Rinse mouth with water and call for medical advice if necessary.
Symptoms of Overexposure: May cause mild irritation to eyes or skin. No chronic effects reported in available studies.
Suitable Extinguishing Media: Use alcohol-resistant foam, dry chemical, or carbon dioxide
Unsuitable Extinguishing Media: Strong water jets may spread the fire
Hazards from Combustion: Burning may produce carbon oxides and silicon oxides
Protective Equipment: Firefighters wear self-contained breathing apparatus and full protective gear
Special Procedures: Cool surrounding containers with water spray and isolate fire area
Personal Precautions: Wear suitable gloves, goggles, and protective clothing to prevent skin and eye contact
Environmental Precautions: Prevent product from entering drains, surface water, and soil
Methods for Containment: Cover with inert absorbent material such as sand or diatomaceous earth
Spill Cleanup: Sweep up, collect in suitable containers, and dispose of according to regulations
Decontamination: Wash the area with water and detergent after removal of product
Safe Handling: Use in well-ventilated areas to avoid inhaling mists. Avoid contact with eyes and prolonged or repeated skin contact.
Storage Requirements: Store away from direct sunlight, heat, and ignition sources in tightly closed original containers
Incompatibilities: Avoid strong oxidizers, acids, and bases to prevent dangerous reactions
Storage Temperature: Maintain temperature between 5°C and 30°C for optimal stability
Occupational Exposure Limits: No established limits; good industrial hygiene practice recommended
Engineering Controls: Local exhaust or general room ventilation
Personal Protective Equipment: Safety glasses or chemical goggles, protective gloves (nitrile or neoprene preferred), and appropriate clothing
Hygiene Measures: Wash hands and face after handling, before breaks, and after work
Respiratory Protection: In confined or poorly ventilated spaces, use approved respirator
Appearance: Clear, colorless liquid
Odor: Faint, characteristic odor
Melting Point: Not applicable; remains liquid at room temperature
Boiling Point: Above 250°C
Flash Point: Above 100°C (Seta closed cup method)
Evaporation Rate: Slow relative to water
Lower Explosion Limit (LEL): Data not available
Upper Explosion Limit (UEL): Data not available
Vapor Pressure: Very low at 25°C
Solubility in Water: Practically insoluble
Partition Coefficient (n-octanol/water): High (lipophilic substance)
Viscosity: Low; typical of silicone fluids
Density: About 0.84 g/cm³ at 25°C
pH: Not applicable (non-aqueous liquid)
Chemical Stability: Stable under recommended storage conditions
Reactivity: No dangerous reactions observed under normal conditions
Hazardous Decomposition: Generates carbon oxides and silicon oxides in fire
Conditions to Avoid: Avoid strong heat, direct sunlight, and sources of ignition
Incompatible Materials: Avoid contact with strong acids, strong bases, and strong oxidizers
Polymerization: No hazardous polymerization expected
Acute Toxicity: Oral, dermal, and inhalation LD50 not expected to be low; product is not acutely toxic in animal studies
Skin Corrosion/Irritation: Mild irritation possible on repeated exposure
Eye Damage/Irritation: Mild irritation with direct contact
Respiratory Sensitization: No data supporting any respiratory effects from vapor or mist
Skin Sensitization: Not expected to cause allergic reactions;
Carcinogenicity: No evidence based on available data
Reproductive Toxicity: No effects on reproduction or fertility expected
STOT-Single Exposure: No specific target organ toxicity identified
STOT-Repeated Exposure: No cumulative toxic effects known from long-term contact
Aspiration Hazard: Not classified as an aspiration hazard
Aquatic Toxicity: Product shows low bioaccumulation and toxicity to aquatic organisms in laboratory testing
Persistence and Degradability: Limited biodegradability; remains in environment for extended periods
Mobility in Soil: Low water solubility means low mobility; substance tends to adsorb to soil particles
Bioaccumulation Potential: Possible based on chemical structure and low solubility in water
Other Harmful Effects: Should not be released uncontrolled into surface waterways or drains
Waste Treatment Methods: Dispose of in compliance with all federal, state, and local regulations
Disposal of Product: Contact a licensed hazardous waste disposal contractor
Disposal of Containers: Empty containers thoroughly before recycling or disposal
Special Precautions: Do not discharge unused material into the environment
Classification: Not classified as hazardous waste under typical regulations
UN Number: Not regulated for ground, air, or sea transport
Proper Shipping Name: Not dangerous goods
Transport Hazard Class: None assigned
Packing Group: Not applicable
Labeling Requirements: No hazard labels required
Environmental Hazards: None specified, though prevent uncontrolled release during transport
Special Precautions for User: Protect containers from physical damage and secure storage during transit
Inventory Status: Substance listed on major chemical inventories, including TSCA and REACH
OSHA Hazard Communication Standard: Not classified as hazardous
EU Classification: Not dangerous according to Regulation (EC) No 1272/2008
Canada (WHMIS): Not controlled
Australia (AICS): Registered
Other Regulations: Status subject to change based on local, national, and international laws. For workplace use, always refer to site-specific protocols and consult with environmental, health, and safety offices for any updates.
