Name---------- Sulphur Black 1 Chemical Formula----------C6H4N2O5 Apperance------------black powder Pruity-----------200% Packing in fabric woven bags lined with PE bag, 25KGS/ bag or 50KGS/ bag Terms payment: By T/ T or L/ C at sight Delivery: within 15-20days after receiving the deposit. Our company specialize in chemicals industrial. Such as Oxalic acid, Zinc oxide , Titanium oxide, Lithopone, Caustic soda, Carbon black, ect. If you are interested in gaining more detailes, please contact me. come_space( at) yahoo( .) com( .) cn We look forward to receiving your enquiry. Best regards Zahar Tianjin guonuozhongsheng Chemical Co., Ltd E-mail: zahar@ guonuozhongsheng.com come_space@ yahoo.com.cn Tel: + 86-0 22-24219486 Fax: + 86-022-24219486 Web site: 3W gnzschem com