Sodium hydrosulfite ( zinc process) CAS NO.:7775-14-6 Posted Date: 16 Jun 2011Expiry Date: 16 Jul 2011 Detailed Description: Quantity: 40,000 kg Quality Standards: zinc process min 90% Packing: 100 kg / 50 kg Place of Origin: taiwan, china Purity: 90% min Standard: zinc process Detailed Description: Contact Information:Company:pranaydye chem Contact:prashant Email:sales@pranaydyechem.comCountry:India Tel:91-22-25600281