SILICON DIOXIDE - pure 500g WARCHEM

Technical information on chemical reagents:

• Chemical formula: SiO₂
• CAS number: 7631-86-9
• EC number: 231-545-4
• Synonyms: silicon dioxide, silicon dioxide (IV)
• Type: pure
• Purity: pure
• Molar mass: 60.08 g/mol
• Appearance: white powder, amorphous or crystalline
• Odor: odorless
• Melting point: 1710 °C
• Boiling point: 2230 °C
• Density: approx. 2.2-2.6 g/cm³ (depending on crystalline form)
• Solubility: practically insoluble in water and organic solvents, soluble in hydrofluoric acid
• Packaging: dust-tight plastic containers or bags with liner
• Shelf life: at least 24 months in a dry place

Examples of professional applications in various sectors:

• Analytical chemistry : use as support or filler material in chromatography columns and as reference material in IR spectroscopy.
• Research and development : component in catalysis studies, surface functionalization, and solid analysis.
• Construction materials industry : component in cements, glazes, and molding masses as an aggregate or reactive component.
• Cosmetic industry : use in powders and pastes as a flow agent and thickener - only if purity is specified.

Hazard statements on the product label:

H335 : May irritate the respiratory tract.

Safety instructions on the product label:

P261 : Do not breathe dust.
P280 : Wear protective gloves/respiratory protection/eye protection.
P304 + P340 : IF INHALED: move the victim to fresh air and keep at rest in a position comfortable for breathing.
P501 : Dispose of contents/container in accordance with local/regional regulations.

Restrictions : Reserved for use by professionals under controlled conditions.

Recommended storage conditions:

1. Store in a dry, well-sealed place to prevent dust formation.
2. Protect from moisture and strong chemicals.
3. Ensure adequate ventilation to avoid inhalation of fine dust.
4. Keep in the original packaging.
5. Use only with appropriate personal protective equipment.