Silicone Oil 350 cSt | High-Performance Dimethylpolysiloxane Fluid - 250mL (8 Fl Oz)

Chemical Information

• Chemical Name: Polydimethylsiloxane
• CAS Number: 63148-62-9
• Molecular Formula: (C₂H₆OSi)ₙ
• Molecular Weight: Varies by polymer length
• Appearance: Clear, colorless liquid
• Odor: Odorless
• Purity: ≥99%

Physical & Chemical Properties

• Viscosity: 350 cSt @ 25°C
• Density: ~0.97 g/cm³ @ 25°C
• Solubility: Insoluble in water; soluble in organic solvents
• Refractive Index: 1.403 - 1.405
• Flash Point: >300°C (572°F)
• Surface Tension: ~21 mN/m
• Thermal Stability: Resistant up to 200°C
• Biodegradability: Low environmental impact

Mechanical & Stability Properties

• Combustibility: Non-flammable under normal conditions
• Oxidation Resistance: High
• Shear Stability: Excellent under mechanical stress
• Hydrophobicity: Repels water effectively

Storage, Handling & Safety

Storage

• Store in a cool, dry place, away from direct sunlight and heat.
• Keep containers tightly sealed.
• Optimal storage temperature: 10-30°C.

Handling

• Use with appropriate protective gear when handling large quantities.
• Avoid prolonged exposure to skin and eyes.
• Ensure proper ventilation in industrial settings.

Safety

• Non-toxic & non-hazardous under normal conditions.
• FDA & USP compliant for select cosmetic and food-grade applications.
• Avoid ingestion and inhalation of vapors.