Xysil 200 Fumed Silica 200

Basic Identification Attributes

• Chemical Name (IUPAC): Silicon dioxide, amorphous

• Common/Trade Name: Xysil 200, Fumed Silica 200

• CAS Number: 112945-52-5

• HS Code: 2811.19.00

• Synonyms: Pyrogenic silica, silica fume

Physical & Chemical Properties

• Physical State: Powder

• Color & Odor: White; odorless

• Surface Area: Approx. 200 m²/g

• Particle Size: Average primary particle size ~12 nm

• Bulk Density: Approx. 50 kg/m³ (loose bulk density)

• Solubility: Insoluble in water and organic solvents

• pH (in 4% suspension): 3.7 – 4.5

Safety & Hazard Attributes

• GHS Classification: May cause respiratory irritation (dust)

• Toxicity: Low toxicity; avoid inhalation of dust

• Exposure Limits: Follow occupational exposure limits for respirable crystalline silica as applicable

Storage & Handling Attributes

• Storage Conditions: Store in a dry, cool, well-ventilated area away from moisture and incompatible materials

• Container Type: Multi-layer kraft paper bags with polyethylene liner or bulk containers

• Shelf Life: Indefinite if stored properly

• Handling Precautions: Use dust control measures and respiratory protection; avoid dust generation

Regulatory & Compliance Attributes

• Complies with REACH, OSHA, TSCA, and other relevant chemical safety regulations

• Manufactured under Good Manufacturing Practices (GMP) when applicable, especially for pharmaceutical and food-grade products

• Meets ISO 9001 quality management standards

• Compliant with environmental and transport regulations including UN classification for safe handling

Environmental & Health Impact

• Biodegradability: Not applicable (inorganic material)

• Ecotoxicity: Low environmental impact; inert material

• Bioaccumulation: Not applicable