General Information:


Colloidal Silicon Dioxide is submicroscopic fumed silica prepared by the vapour-phase hydrolysis of a silicon compound.Colloidal Silicon Dioxide contains not less than 99.0 per cent and not more than 100.5 per cent of SiO2, Calculated on the ignite basis.

Molecular Structure:



  • CAS No.: 7631-86-9
  • Molecular Formula: SiO2
  • Molecular Weight: 60.1

Physical Property:

  • Physical state: White, light, fine, amorphous powder.
  • Boiling Point: 2000°C
  • Solubility: Practically insoluble in water & in mineral acids except hydrofluoric acid. It dissolves in hot solutions of alkali hydroxides.
  • PH: 3.5 to 5.5

Application & Use:

In the pharmaceutical industry, colloidal silicon dioxide has many uses in tablet-making: some include as an anti-caking agent, adsorbent, disintegrate, or glidant to allow powder to flow freely when tablets are processed.

Advantage and Disadvantage:

Moisture Absorbent Prolonged exposure with skin, eyes, and respiratory tract may cause irritation

Shelf Life

Expiry:3 Years after date of manufacture

Quality Assurance / Certificate

WHO-GMP: Par Drugs And Chemicals Limited is WHO GMP Certified.
(Issued by Food & Drug Control Administration)
Note: Above Certificate is available upon request.

Certificate of Compliance

GMO: The Product does not contain any Genetically Modified Organisms (GMO) of raw materials used in manufacturing of the same are also not genetically modified.
Non-Irradiation:The product was never subjected to any kind of ionized irradiation and contains no radioactivity not even in minor amounts.
Allergens: The product does not contain any of the below mentioned allergens:
Cereals containing Gluten, Crustaceans, Eggs, Fish, Peanuts, Treenuts, Soybeans, Milk, Sesame seeds, Sulphur Dioxide ands sulphites (concentration > 10 mg/kg), Lupin, Molluscs.
TSE/BSE: The Product is not derived from animal/plant origin & hence this product is free from Transmissible Spongiform Encephalopathy (TSE) and Bovine Spongiform Encephalopathy (BSE). It is synthetically derived
Residual Solvent: Class1, Class 2, Class 3 & Table 4 solvents are not used in the production of our product.
Vegetarians / Vegans: Our product is suitable for consumption by vegetarians and vegans.

Storage Recommendations

Store Protected From Moisture


10 kg net weight packed in LDPE Liner follow by HDPE Woven Bag.


For Stuffing Information click here