molecular formula KBr molecular weight 119 CAS NO: 7758-02-3 Usage This product is used as sensitive emulsion of cinema film and photographic film, or for formulating developer and used as sedative etc. In medication Specifications Industrial grade Medical grade photo grade Appearance white powder or crystal white powder or crystal white powder or crystal Content 98.0% min 99% min 99.5% min Loss on drying 1% max 0.5% max 0.3% max Chloride d3.0% 0.5% max 0.2% max PH 5.5-8.5 5.5-8.5 5.5-8.5 Packing: 25Kg PP+ PE bag or HDPE bag if you interested in my products, please contact: wht@ kaihongchem.com