PRODUCT SPECIFICATIONS | |
---|---|
Name of Product | Selenious Acid |
Pharmacopoeial Name | Selenious Acid USP |
Synonyms | SELENIOUS ACID, Selenous acid, 7783-00-8, Selenious acid (H2SeO3), UNII-F6A27P4Q4R |
CAS No | 7783-00-8 |
Molecular Formula | H2SeO3 |
Pubchem CID | 1091 |
Pubchem SID | 462770287 |
WHO-GMP | ✓ |
WC | Available soon |
DMF | ✓ |
US-DMF | Filed |
SR. No | Criteria | Limit/Specification |
---|---|---|
1 | Appearance and Odor | Colorless or white crystals, efflorescent in dry air and hygroscopic in moist air |
2 | Solubility | Soluble in water and in alcohol |
3 | IDENTIFICATION TEST | |
Test-A | Meets the Requirement - Gas bubbles develop Complies | |
Test-B | Meets the Requirement - A curdy tan-orange precipitate is formed. | |
4 | IMPURITIES | |
Residue on Ignition (ROI) | NMT 0.01% (1 .0mg) | |
Insoluble Matter | Dissolves completely, and the solution is clear | |
Selenate and Sulfate | No turbidity or precipitate is formed in 10 minutes | |
5 | Assay (By Titration) | NLT 93.0% and NMT 101.0% of H2SeO |