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 Light yellow powder or crystalline powder
Solubility Soluble in water, slightly soluble in Methanol, Ethanol. Hardly soluble in Chloroform. Soluble in 0.1mol/L HCl solution
Rotation +90.0°~ +100.0°
IR absorption Max at 223,267,312,328,381nm and Min at 250,287,318,338nm
Chloridate Meet requirement
PH 3.0~5.0
Color of the liquid Complies requirement
Related substance A: Single impurity ≤0.5%
B: All impurity ≤1.0%
Water 12% max
Dichloromethane <0.06%
Ash <0.2%
Heavy metals <20ppm
Heat source Complies requirement
Assay(HPLC) >98%