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Talc Powder
Pharmaceutical Grade, USP Grade
Chemical Name Magnesium Silicate Monohydrate
Formula 3MgO-4SiO2-H2O
CAS No. 14807-96-6
Formula Weight 379.28
EINECS No. 238-877-9
CI 77 718
JSCI 41
Usage: This Talc is recommended for Pharmaceutical usage.
Typical Properties:
Whiteness (Minolta CR400, illuminant D65/2o)Y 92.5%
B.E.T. (ISO 9277) 4.6 m2/g
Density (ISO 787/10) 2.78 g/cm3
Tapped Bulk Density (ISO 787/11) 0.63 g/cm3
Loose Bulk Density (EN 1097/3) 0.28 g/cm3
Hardness (Mohs scale) 1
Moisture (105oC)(ISO 787/2) < 0.2%
Pharmacopoeia:
European Pharmacopoeia 9th edition Compliant with talc monograph
US Pharmacopeia 41-NF36 Compliant with talc monograph
Japanese Pharmacopoeia 17th edition Compliant with talc monograph