Tianjin Chengyi International Trading Co., Ltd, established in 1999, is a chemical and pharmaceutical company, headquartered at the National Hi-Tech Industrial Development Area of Taiyuan City, Shanxi Province, China. The company developed from the Foreign Trade Corp. of Shanxi Yuanping Chemicals and Yangquan Jingcheng Chemicals and now become the sole marketer of the Oxalic Acid & derivatives and other products produced by these factories around the world. The goal of the company is to export more Chinese quality chemical products to the world.
TDS of Polyphosphoric Acid Name:Polyphosphoric Acid Product code:135183 CAS NO.:8017-16-1 Formula: H6P4O13 Shelf life:1 year Specification: Item Specification Grade A Grade B Grade C Appearance Clear colorless liquid Purity 95% min 105% min 115% min Color 20 max P2O5 68.8% min ...