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丙硫异烟胺

一,丙硫异烟胺
1.图片

2.分析单(详细说明)

Name: Prothionamide       Batch No: 2005-08-28
Molecular Formula: C9H12N2     SMFG. Date: Aug.28, 2005
Molecular Weight:180.28     EXP. Date: Aug.27, 2009
Quantity:Sample

 
Structural Formula:Structural Formula:
Item of testing
Standard(BP88)
Result
Appearance
Yellow crystals or crystalline powder
Complies
Solubility
Practically insoluble in water, soluble in 30 parts of ethanol (96%)and in 16 parts of methanol; slightly soluble in chloroform and in ether
Complies

Identification

A. The infra-red absorption spectrum is concordant with the reference spectrum of prothionamide CRS.

Complies

B. A max imum only at 291 nm, the absorbance is about 0.78.

Complies

C. Heat 0.1g with 5ml of 1M hydrochloric acid. A gas is evolved which turns lead acetate paper black.

Complies

Acidity

Not more than 0.2ml of 0.1M sodium hydroxide is required to change the color of the indicator to red

0.11ml

Melting Point

140.0-143.0℃

141.8℃

Related Substances

Any secondary spot in the chromatogram obtained with solution (1) is not more intense than the spot in the chromatogram obtained with solution (2).

Complies

Heavy Metals

Not more than 20ppm

Complies

Sulphated Ash

Not more than 0.1%

0.05%

Loss on Drying

Not more than 0.5% dried at 105℃ for 3 hours

0.22%

Active Substance

Content

99.0-101.0%

99.90%

Conclusion
CONFORM WITH STANDARD
Date of
Laboratory Test
Aug.30, 2005
Laboratory
technician
 
Checker
 
 
 
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