1. Nomenclature : pimaricin

2. Cas no. : 7681-93-8

3. Description : white to yellow crystalline powder (cream –coloured to slightly yellow powder. )  with  no taste or odour.

4. Solubility : not soluble in water, insoluble in higher alcohols, ether and ester, slightly soluble in methanol, completely soluble in glacial acetic acid and di methyl sulfoxide. (dmso) .

5. Moisture content : 6. 0 % to 9. 0 %

6. Ph : 5. 0 to 7. 5

7. Natamycin content : more than 50%

8. Arsenic (as) : nmt 1 ppm

9. Heavy metals (pb): nmt 0. 002% (20 ppm).

10. Specific rotation : + 2760° to + 2800°

11. Ash : nmt 0. 5%

12. Mercury (hg) : nmt 0. 0001% (1 ppm).