Superiority:
Hangzhou Haiqiang 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.
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1.Best quality in your requirement
2.Competitive price in China market
3.mature Technical support
4.Professional logistic support
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Details:
Appearance Light yellow or yellow crystalline powder
Identification (1),(2),(3) should comply
PH 2.0-3.0
Specific optical rotation -105?~-120?
Absorption 300-335
Impurity absorbance 0.07 max
Related substances Impurity A: 2.0% max
Impurity B: 2.0% max
Impurity C:0.5% max
Impurity D: 0.5% max
Impurity E: 0.5% max
Impurity F: 0.5% max
Other single Impurities:0.5% max
Loss on drying 1.4-2.8%
Ethanol 4.5-6.0%
Heavy metals 50ppm max
Residue on ignition 0.4% max
Assay 95.0-102.0%
Conclusion:This goods conforms to the standard of EP6.0/BP2007.