Benzyl Paraben Bp/ep

Following Details of Benzyl Paraben Bp/Ep :
Chemical Name : Benzyl Hydroxybenzoate
Molecular Formula : C14H12O3
Molecular Weight : 228.3
CAS Number : 94-18-8

Structural Formula

Packing 25 kg in fibre drum.
Shelf-life 5 years
Storage conditions and precautions

Store in a well-closed containers.

NO.
Test

Specifications :
1.
Characters A White to Creamy white, Crystalline powder, Odourless or almost odourless, Practically insoluble in water, Freely soluble in Ethanol (96%) and in ether. It dissolves in solutions of alkali.
3. Identification

A. The infrared absorptionSpecificationsto Creamy white, Crystalline powder, Odourless spectrum is concordant with reference spectrum Benzyl Hydroxybenzoate (RS 028)

B. The absorption appendix II B in the range 230 to 350 nm of a 0.001% w/v solution in ethanol (96%)

C. Dissolve 0.1 gm in 2 ml of ethanol (96%) boil and add 0.5 ml of nitric acid solution of mercury. A precipitate is produced slowly and the supermatant liquid becomes red.

D. Melting point about 112A C Appendix V A

Acidity
Dissolve 0.2g in 10 ml ethanol (50%) previously neutralized to methyl red solution and titrate with 0.1 M sodium hydroxide VS using methyl red solution as indicator. Not more than 0.1 ml of 0.1 M Sodium hydroxide VS is required to change the colour of the solution.
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Related substances
Any Secondary spot in the chromatogram obtained with solution (1) is not more intense than the spot obtained in the chromatogram obtained with solution (2) (1.0%).