Superiority:
Hangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals.
We could give you:
1.Best quality in your requirement
2.Competitive price in China market
3.mature Technical support
4.Professional logistic support
All we want is win-win business. Send yr. inquiries, you will get it!
Details:
Appearance White crystalline powder
Assay 98%min
Odor Characteristic
Powder size 100% through 30mesh
Bulk density 0.40-0.50g/cm3
Loss on drying 13%-17%
Melting point 78-82℃
Optical Rotation 103-108。
PH 5.50-6.50
Residue on ignition 0.1% max
Residue Ethanol 0.5% max
Total heavy metals 10μg/g max
As 2μg/g max
Cd 2μg/g max
Pb 2μg/g max
Hg 0.5μg/g max
Total plate count 1000cfu/g max
Molds and Yeasts 100cfu/g max
Salmonella Absence
E.Coli Absence
Staphylococcus aureus Absence