Calamine Powder
Calamine Powder is a zinc oxide, traditionally used in ointments as an antiseptic. It comes from the natural mineral deposits, which is transformed into a soft powder when milled.
Specification:Product Name: Calamine Powder
CAS number: 8011-96-9
Molecular formula: ZnCO3
Molecular weight: 241.0776
Appearance: Light Pink Powder
Grade: Cosmetic Grade
Specification: 99%
Keywords: Bulk Calamine Powder，Calamine，Calamine Powder
Storage: Keep in a cool, dry, dark location in a tightly sealed container or cylinder.
Shelf Life: 24 Months
Storage: Cool Dry Place
Test Method: HPLC TLC
Packaging: Can, Drum, Plastic Container, Vacuum Packed
COA:Items | Standards | Results |
Appearance | White to cream powder | White powder |
pH | 2.3~2.4 | 2.4 |
Melting Point | 158℃~163℃ | 158℃~159℃ |
Optical rotation | +186.0°~+188.0° | +188° |
Loss on drying | ≤1.0% | 0.1% |
Residue on ignition | ≤0.2% | ＜0.1% |
Free ascorbic acid | ≤0.1% | Conform |
Free glucose | ≤0.1% | Conform |
Heavy metals(pb) | ≤1% | Conform |
Arsenic(AS2O3) | ≤1ppm | Conform |
Assay | ≥98.0% | 99.8% |
Purity | ≥99.5% | 99.9% |
Conclusion | Positive | |
Functions:The main ingredient in calamine lotion.
Anti-itching lotion to treat sunburn, rashes, poison ivy, poison oak, chickenpox, and insect bites and stings.
Mild antiseptic to prevent infections.
Astringent to dry weeping or oozing blisters and acne abscesses.
The most important needed in a basic health system.
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