Fast Red B Base Fast Colour Bases belongs to the category of Fast Colour Bases having CAS number 27761-26-8. The synonym of Fast Red B Base Fast Colour Bases is Fast Red B Base. The molecular weight of Fast Red B Base Fast Colour Bases is 168.15 g/mol and the molecular formula is C7H8N2O3. The colour index number is 37125. The physical appearance of Fast Red B Base Fast Colour Bases is Light Yellow.