Calamine I.p - Chemical Name: Zinc Oxide And Ferric Oxide

Chemical Name:
Calamine is a mixture of zinc oxide (ZnO) and ferric oxide (FeO), with trace amounts of other compounds.
2. Description:
Appearance: A pink or light reddish-brown powder.
Odor: Odorless or nearly odorless.
3. Solubility:
In Water: Insoluble.
In Organic Solvents: Insoluble.
4. pH:
pH (5% aqueous suspension): 6.0 to 7.5 (slightly neutral).
5. Loss on Drying:
Not more than 3% at 105C.
6. Heavy Metals:
Not more than 20 ppm of heavy metals.
7. Arsenic:
Not more than 2 ppm.
8. Assay:
Contains 95% to 100% of Zinc Oxide (ZnO).
9. Microbial Limits:
Must meet Indian Pharmacopoeia standards for microbial contamination.
10. Applications:
Topical Use: Calamine is commonly used in creams, lotions, and powders to treat skin conditions such as prickly heat, eczema, sunburn, and itching.
Soothing Agent: Provides relief for skin irritation and inflammation.
Antiseptic Properties: Mild antiseptic properties for minor skin irritations.
11. Packaging:
Typically packed in airtight containers to protect from moisture and contamination.