Xysil Fumed Silica

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Xysil Fumed Silica is a high-purity fumed silica produced through flame hydrolysis of silicon tetrachloride. It is an ultra-fine, amorphous, white powder with a very high surface area and low bulk density. Xysil 200 is widely used as a reinforcing filler, thickening agent, anti-caking agent, and rheology modifier in various industrial applications. Its unique physical properties improve the mechanical strength, viscosity, and stability of formulated products.

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Categories: Electronic Chemicals, Fillers & Extenders, Fillers and Reinforcements, Thickeners Tags: Colloidal Silicon Dioxide, Cosmetic Powders, Fumed Silica, Pharmaceutical Manufacturing, Xysil 200

Description

Table of Contents

Xysil Fumed Silica

Primary Uses

Paints & Coatings Industry

Thickener & Rheology Modifier: Enhances viscosity and sag resistance in paints and coatings, improving application and finish.

Adhesives & Sealants

Reinforcing Filler: Improves mechanical strength, thixotropy, and bonding properties in adhesives and sealants.

Plastics & Rubber Industry

Reinforcement Agent: Increases tensile strength, abrasion resistance, and durability in plastic and rubber compounds.

Cosmetics & Personal Care

Anti-Caking & Opacifying Agent: Used in powders and creams to prevent clumping and improve texture and appearance.

Secondary Uses

Pharmaceutical Industry

Flow Aid: Facilitates powder flow and prevents caking in tablet formulations and capsules.

Food Industry

Anti-Caking Agent: Used in powdered food products and supplements to improve handling and shelf life (food-grade specifications required).

Electronics

Insulating Filler: Incorporated in silicone rubbers and potting compounds for electrical insulation.

KEY PRODUCT FEATURES

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

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required: Respiratory protection, gloves, and eye protection recommended
Handling Guidelines: Use local exhaust ventilation to minimize dust; avoid generating airborne dust
Storage Measures: Keep containers sealed and dry

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if symptoms persist
Skin Contact: Wash with soap and water
Eye Contact: Flush with water for 15 minutes; seek medical help if irritation continues
Ingestion: Rinse mouth; seek medical advice if necessary

Firefighting Measures