Silicone Defoamer Material Safety Data Sheet (MSDS)
1. Product Identification
Product Name: Silicone Defoamer
Chemical Name: Polydimethylsiloxane
CAS Number: 9016-00-6
Molecular Formula: (C2H6OSi)n
2. Ingredient Information
Main Ingredient: Polydimethylsiloxane
Content: ≥90%
Other Ingredients: Silicon dioxide, emulsifier, etc.
3. Hazard Overview
Health Hazard: Low toxicity, long-term contact may cause skin dryness or irritation.
Environmental Hazard: Slightly toxic to aquatic organisms.
Physical Hazard: Non-flammable, but may decompose at high temperatures to produce harmful gases.
4. First Aid Measures
Skin Contact: Wash thoroughly with soap and water.
Eye Contact: Rinse immediately with plenty of water and seek medical attention if necessary.
Inhalation: Move to fresh air. If breathing is difficult, give oxygen.
Ingestion: Do not induce vomiting, seek medical attention immediately.
5. Firefighting measures
Fire extinguishing agents: dry powder, carbon dioxide, foam.
Special hazards: Toxic gases may be released at high temperatures.
Protective equipment: Wear self-contained breathing apparatus and protective clothing.
6. Leakage treatment
Personal protection: Wear protective gloves and glasses.
Environmental measures: Prevent entry into sewers and water sources.
Cleaning method: Adsorb with sand or other non-combustible materials and collect in a sealed container.
7. Operation and storage
Operation precautions: Avoid contact with eyes and skin, and maintain good ventilation.
Storage conditions: Store in a cool, dry place, away from fire and heat sources.
8. Contact control/personal protection
Engineering control: Local exhaust ventilation.
Personal protection: Wear protective gloves, protective glasses and protective clothing.
9. Physical and chemical properties
Appearance: colorless transparent liquid
Odor: odorless or slight odor
Density: about 0.97 g/cm³
Boiling point: >200°C
Flash point: >200°C
10. Stability and reactivity
Stability: stable
Avoid conditions: high temperature, strong oxidants
Incompatible substances: strong acids, strong bases
11. Toxicological information
Acute toxicity: low toxicity
Irritation: slight irritation to skin and eyes
Long-term contact: may cause dry skin
12. Ecological information
Ecotoxicity: slight toxicity to aquatic organisms
Biodegradability: not easily biodegradable
13. Disposal
Disposal method: Dispose in accordance with local regulations to avoid environmental pollution.
14. Transportation information
Transport name: silica gel defoamer
Hazard category: non-hazardous goods
Packing category: III
15. Regulatory information
Comply with relevant chemical management regulations.
16. Other information
This MSDS is for reference only. Please follow local regulations and safety standards for specific operations.
Disclaimer
The information provided in this MSDS is based on existing knowledge and data. Its completeness and accuracy are not guaranteed. Users should evaluate its applicability on their own.
