China Deoxyarbutin Arbutin Powder Cosmetic Grade Skin Whitening 53936-56-4 Deoxy Arbutin Deoxyarbutin, Find details about China Deoxyarbutin Powder, Purity Deoxyarbutin from Deoxyarbutin Arbutin Powder Cosmetic Grade Skin Whitening 53936-56-4 Deoxy Arbutin Deoxyarbutin
Product Name | deoxyarbutin |
CAS | 53936-56-4 |
Appearance | White crystalline powder |
MF | C11H14O3 |
Molecular Weight | 194.23 |
Purity | 98% |
Storage | Keep in a cool, dry, dark location in a tightly sealed container or cylinder |
Shelf Life | 24 Months |
Items | Specification | Results |
Characteristics | White powder | Conforms |
Assay (HPLC) | 99.50% | 99.90% |
Melting point(°C) | 199-201°C | 199.7-200.6°C |
Loss on drying(%) | ≤0.5% | 0.25% |
Ash(%) | ≤0.5% | 0.08% |
Clarity of water solution | Transparency, colorless,none | Conforms |
PH value of 1% aqueous solution | 5.0---7.0 | 5.49 |
Heavy Metal | 10ppm maximum | Conforms |
Lead | 2ppm maximum | Conforms |
Arsenic | 2ppm maximum | Conforms |
Hg | 1ppm maximum | Conforms |
Microbiological Items | ||
Total Plare Count | 1000cfu/g | Conforms |
Yeast &Mold | 100cfu/g | Conforms |
E.coli | Negative | Conforms |
Salmonella | Negative | Conforms |
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Xi'an Wucine Bio Industries Inc is a national key high-tech enterprise,which mainly specializes in the R&D,operation and production of pharmaceuticals,and intermediates.Our company is situated in E&T development zone,xi'an city shaanxi,it is easy of access.Our company has independent R&D center,raw material synthesis workshop,has advanced quality instruments and equipmentm,several product patents there are 15 experts in our research team.We insist in innovation and produce high quality products.
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