Fast Red Rc Salt Fast Colour Salts belongs to the category of Fast Colour Salts having CAS number 27165-17-9. The synonym of Fast Red Rc Salt Fast Colour Salts is Fast Red RC Salt. The molecular weight of Fast Red Rc Salt Fast Colour Salts is 168.15 g/mol and the molecular formula is C7H8N2O3. The colour index number is 37130. The physical appearance of Fast Red Rc Salt Fast Colour Salts is Light Yellow.