Detailed Product Description

Specification:
commodity: coumarin
1.Snonym: coumarinic anhydride
2.Formula:c9h6o2
3.Appearance: white crystal pure, like fragance of black fragrant peas.
4.Melting point: 69??c
5.Boiling point: 297-299??c
6.Solubility(25??c): 1 gram of sample is fully dissolved in 15ml of 95% (v/v) ethanol
7.Packing:in 50kg fibre drums

commodity:6-metyl  coumarin
1. Molecular formula:c10h8o2
2. Appearance:white crystall solid with coconut-like sweet odor.
3. Melting point:74.6??75.5??
4. Packing:25kg fibre drums.

description: 
1.Appearance: white crystal or powder 
2.Purity:99.0% min. 
3.Melting point:165-169 deg c. 
4.Colority apha:<20 
5.Iron content:<0.001% 
6.Heavy metals (as pb):<0.003% 
7.Loss of weight on drying:<0.5% 
8.Residue on ignition:<0.1% 
9.Chloride (cl):<0.0025% 
10.Sulphuric acid radical:<0.01% 

commodity:mcp(methyl cyclopentenolone) 
1.Molecular formula:c6h8o2 
2.Appearance:white cyrstal powder 
3.Standard:fcc 
5.Melting point:104??108?? 
6.Heavy metal(pb): ??0.004% 
7.Content:97% min 
8.Packing:in 25kg fibre drums.