Chengguan District, Lanzhou, Gansu, China sales01@liwei-chem.com 1557459043@qq.com
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Colloidal Silica BP EP USP Pharma Grade

    Specifications

    HS Code

    647986

    Appearance Clear, colorless to slightly opalescent liquid
    Ph Typically in the range of 8 - 10.5
    Specific Gravity Around 1.1 - 1.3 g/cm³
    Viscosity Low, usually a few centipoises
    Particle Size Nanoscale, often 5 - 100 nm
    Silica Content Commonly 20 - 40% w/w
    Stability Good long - term stability under proper storage
    Solubility Soluble in water
    Electrolyte Tolerance Limited, can cause gelation with high electrolytes
    Refractive Index Related to silica content, around 1.33 - 1.45

    As an accredited Colloidal Silica BP EP USP Pharma Grade factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Colloidal Silica Pharma Grade in 5 - liter containers for BP, EP, USP standards.
    Storage Colloidal Silica BP EP USP Pharma Grade should be stored in a cool, dry place, away from direct sunlight and heat sources. Keep containers tightly sealed to prevent moisture absorption and contamination. Store at temperatures between 5 - 35°C to maintain its stability and quality for pharmaceutical applications.
    Shipping Colloidal Silica BP EP USP Pharma Grade is shipped in secure, tightly - sealed containers. Shipment follows strict safety protocols for chemicals, ensuring protection from damage and spillage during transit to pharmaceutical clients.
    Free Quote

    Competitive Colloidal Silica BP EP USP Pharma Grade prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615365006308 or mail to sales01@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365006308

    Email: sales01@liwei-chem.com