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Wujiang Meiyan Sanyou Dyestuff Chemical Co,Ltd.
China Manufacturer with main products: Dyestuff: Direct Black 22;166 Disperse Yellow 54;64 Disperse Blue 60 Solvent Yellow 114;176 Solvent Blue 122 Aniline Derivatives:... |
| Place of Origin: | China |
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Specifications
Product Name:Isatin
Synonyms:Indole-2,3-dione; 2,3-Indolinedione
Chemical Name:1H-Indole-2,3-dione
CAS Registry Number:[ 91-56-5 ]
Chemical Formula:C8H5NO2
Molecular Weight:147.13
Appearance:Orange-red Crystal
Purity(HPLC):99%MIN
Ashing:0.5%MAX
Loss on Drying:0.5% MAX
pakage: 40kg woven bag with nylon film liner
|
Item |
Standard |
Result |
|
Melting point |
198-201 oC |
198-201 oC |
|
Purity |
99% min |
99.21% |
|
Water |
0.8% max |
0.46% |
|
Other |
0.1% max |
0.092% |
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