Tetra Sodium Pyrophosphate(TSPP)

化学式（Chemical formula）：Na4P2O7

CAS No.:7722-88-5

分子量（Molecular Weight）:265.9

性状：白色粉末，易溶于水，不溶于醇，相对密度2.45g/cm³,熔点890℃,水溶液呈弱碱性，在空气中易潮解，水溶液在70℃下较稳定，煮沸则水解成磷酸氢二钠。

Property：White powder, easily soluble in water but insoluble in ethanol; Density at 2.45g/cm³ and melting point at 890℃; Deliquescent in the open air. The water solution shows weak alkalinity and stable at 70℃, but will be hydrolyzed into disodium phosphate when boiled.

技术指标（Technical Specifications）：

用途：在工业中用于洗涤助剂，造纸漂白，电镀工业；在食品中用作缓冲剂，乳化剂，营养剂和品质改良剂等。

Application: Applied in industry as detergent auxiliary , paper production to bleach and electroplating. In food,  it is mainly used as buffering agent,  emulsification agent, and nutrition ingredients , and quality improver, etc.

包装：本产品包装采用内塑外编，每袋净重25 Kg/ 50Kg ,贮于通风干燥处。

Package：Plastic woven bag. Net weight 25 Kg、 50Kg , store at a cool, dry and well ventilated place.