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Pharmaceutical Intermediates

Isatin Cas 91-56-5

Function: The appearance of isatin is orange-red single-sided prism crystals. The melting point is 203.5°C (partial sublimation). It is easily soluble in hot ethanol, slightly soluble in ether, soluble in hot water, benzene, acetone, and soluble in alkali metal hydroxide. The solution is purple-red, turns yellow after being placed, is very weakly alkaline, and has a bitter taste.

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Product Name: Isatin 

Synonym:  N/A

CAS No.: 91-56-5

Molecular Formula:C8H5NO2

Molecular weight147.13


Appearance Red Crystal Powder
Purity ≧99.00%
Water ≤0.5%
Ash ≤0.40%
M.P. ≤198-204℃

 Packing: 25KG/DRUM

Application: Mainly used in the preparation of vat dyes and drugs, etc., and also used as reagents for the determination of ketones and thiophenes.

Storage: Store in a cool and dark place


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