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 (on dry base) ≥ 99.0%
Identification The retention times of the main peaks to the chromatogram of the assay preparation corresponds to those in the chromatogram of the standard preparation, as obtained in the assay.
Loss on drying ≤1.0%
Impurities ≤1.0%
Residue on ignition ≤0.8%
Heavy metals ≤0.002%
Residue solvents Ethanol ≤1000ppm
Butyl acetate ≤2000ppm