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
Almost white crystalline powder
Conform
Identification
Meet the requirements
Specific rotation
-33°~-37°
Between -33° and -37°
-35°
Melting range
198℃~209℃
Between 198℃ and 209℃
205.0℃~207.0℃
Loss on drying
≤0.5%
Not more than 0.5%
0.2%
Limit of mercapto compounds
Meet the requirements
Conform
Organic volatile impurities
Meet the requirements
Conform
Ordinary impurities Meet the requirements Conform
Assay(on the dried basis)
97.0%~103.0%(C24H32O4S)
98.99%