Colloidal Silicon Dioxide IP
Molecular Formula : SiO2Molecular Weight : 60.1 gm/mol
Grades:
Application:
Silicon dioxide (also known as colloidal silicon dioxide) has many uses in tablet-making, including as an anti-caking agent, adsorbent, disintegrant, or glidant to allow powder to flow freely when tablets are processed.
Specifications:
Test Parameters |
Specification / Limits |
| Description | A light fine and snow white fluffy powder. |
| Identification | About 20 mg gives the Reaction of Silicates. |
| Solubility | Practically insoluble in water and in Mineral acid Except Hydrofluoric acid. It dissolves in alkali on heating. |
| pH | Between 3.5 to 5.5 |
| Arsenic | Not more than 8 ppm |
| Heavy Metals | Not more than 25 ppm |
| Chloride | Not more than 250 ppm |
| Loss on Ignition (At 900°C for 2 hours) |
Not more than 5.0 % |
| Assay as SiO2 at Ignited basis | Not Less than 99.0 |
Colloidal Silicon Dioxide EP
Molecular Formula : SiO2Molecular Weight : 60.1 gm/mol
Grades:
Application:
Silicon dioxide (also known as colloidal silicon dioxide) has many uses in tablet-making, including as an anti-caking agent, adsorbent, disintegrant, or glidant to allow powder to flow freely when tablets are processed.
Specifications:
Test Parameters |
Specification / Limits |
| Description | A light fine and snow white fluffy powder. |
| Solubility | Practically insoluble in water and in Mineral acid Except Hydrofluoric acid.It dissolve in alkali on heating. |
| pH | Between 3.5 to 5.5 |
| Chloride | Not more than 250 ppm |
| Heavy Metal | Not more than 25 ppm |
| Loss on Ignition (At 900°C for 2 hours) |
Not more than 5.0 % |
| Assay as SiO2 at Ignited basis | Not Less than 99.0 % |
Colloidal Silicon Dioxide USP
Molecular Formula : SiO2Molecular Weight : 60.1 gm/mol
Grades:
Application:
Silicon dioxide (also known as colloidal silicon dioxide) has many uses in tablet-making, including as an anti-caking agent, adsorbent, disintegrant, or glidant to allow powder to flow freely when tablets are processed.
Specifications:
Test Parameters |
Specification / Limits |
| Description | A light fine and snow white fluffy powder. |
| Solubility | Practically insoluble in water and in Mineral acid Except Hydrofluoric acid. It dissolves in alkali on heating. |
| pH | Between 3.5 to 5.5 |
| Loss on Drying (At 105°C for 2 hours) |
NMT 2.5 % |
| Loss on Ignition (At 900°C for 2 hours) |
NMT 2.0 % |
| Arsenic | NMT 8 ppm |
| Assay as SiO2 at Ignited basis | NLT 99.0 % |