Barium Sulphate USP
Abstract
Barium sulphate is the inorganic compound with the chemical formula BaSO4. It is a fine, white, odorless, tasteless, bulky powder, free from grittiness.
Use/Application
Barium sulphate
Identity
Chemical Name: Barium Sulphate
Mol. Formula: BaSO4
Mol. Weight: 233.39 g/mol
CAS No.: 7727-43-7
General Specifications
| Test | Specification |
| Characters | It occurs as a fine, white, odorless, tasteless, bulky powder, free from grittiness. |
| Identification
Test (A)
Test (B) |
(a)Sulfates: Specified Test. The filtrate, acidified with hydro-chloric acid, meets the requirements. (b)Barium: Specified Test. The solution meets the requirements. |
| Solubility | It is practically insoluble in water, in organic solvents, and in solutions of acids and alkalies. |
| pH | 3.5–10.0, in a 10% (w/w) aqueous suspension |
| Sulfide | Maximum 0.5 mg/g |
| Acid-Soluble Substances | Maximum 0.3% |
| Soluble Barium Salts | Maximum 0.001% |
| Residual Solvents | Meets the requirement. |
| Heavy Metals | Maximum 10 ppm |
| Assay | Not less than 97.5% and not more than 100.5% of barium sulfate (BaSO4) |
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
Other
GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.
