Appearance:White crystals or crystalline powder
Assay:98.5%-101.5%
Residue on ignition≤0.1%
Sulfate(SO4)≤0.3%
Heavy metal(Pb)≤20ppm
Chromatographic purity :Not more than 0.5% of any individual impurity is found;
Not more than 2.0% of total impurities is found
Specific rotation:+21.4o - +23.6 o
Loss on drying≤0.2%
Chloride(CI):16.5-17.1%
Hangzhou Dingyan Chem Co., LTD. is located in the beautiful tourist city of hangzhou, is a comprehensive chemical enterprice which doing import and export business by its own company. Product range including API, pharma intermediates, extracts , reagents, plant growth regulator, food additive, Peptide products,etc.
With the developing world market, we adhere to the principle of "quality, service, integrity and development" , following "low carbon, environmental protection", forge ahead,
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Basic Information
Business Type: Manufacturer,Trading Company,Distributor/Wholesaler
Product/Service (We Buy): 11 - 50 People
Ownership Type: Corporation/Limited Liability Company
Description: "Appearance White or off white crystalline powder Odor No Odor Assay 98.0% min Melting point 185℃-188℃ Loss on Drying 2.0% max Heavy metal (Pb) 10ppm max Specific Rotation -20.7°(c=2.5,0.1NNaOH/H2O) "
Description: "Appearance white crystalline powder Optical Rotation -96?~~ -106? Heavy metals Not more than 10ppm Arsenic Not more than 2ppm Loss on drying Not more than 5% Residue on Ignition Not more than 0.5% Assay Not less than 98.0% "