RIBOFLAVIN For Biochemistry

Short Name: RIBOFLAVIN

Other Names: Vitamin B2

Confirms to BP

Chemical Specifications

Appearance : Orange yellow powder

Assay (spectrophotometric; on dried basis) : 99 - 101%

Appearance of solution : Passes test

Specific optical rotation ([α]20/D) : -135° to -128°

Relative absorption :

at A373 nm/A267 nm : 0.31 - 0.33

at A444 nm/A267 nm : 0.36 - 0.39

Lumiflavine : Passes test

Loss on drying (at 105°C) : Max 1.5%

Sulphated ash : Max 0.1%