info@pharma-chemicals.de
 
DITHRANOL- BP 2002

CAS-1143-38-0
FORMULA  C14H10O3 
ANTIPSORIASIS
 


Characteristics 

Sr.No

  

Tests

Specifications

Results

01

 

Description

Yellow Microcrystalline powder.

Complies

02

Solubility

Soluble in Methylene Chloride,

Slightly soluble in ethanol.

Complies

 03

Identification

a) Melting Point:- 1780C to 1820C

1800C

 b) IR :- Similar to Standard

 Complies

 c) TlC:- Similar to Standard

 Complies

 d) UV:- Similar to Standard.

 Complies

04

Loss on drying

NMT 0.5%

0.256%

05

Chlorides

Less Than 100 PPM

 < 100 PPM

06

Sulfated Ash

NMT 0.1 %

0.0421 %

07

Assay

(On dried basis)

Between 98.5% and 101%

99.36%

08

Related Substances:-

 

Total:- NMT 3%

 

a) 0.318%

b) 1.032 %

Total: 1.350%

09

Organic Volatile Impurities

a) Methylene chloride max 600 PPM

b) Ethyl Alcohol max 80 PPM

< 10 PPM

< 10 PPM

10

Residual Solvent.

a) Methylene chloride max 600 PPM

b) Ethyl Alcohol 80 PPM

< 10 PPM

 

< 10 PPM