Pyrophosphoric acid

Molecular Structure：

MDL：
MFCD00011343

Molecular Formula：
(HO)2P(O)OP(O)(OH)2

Molecular Weight：
177.98

Alias：
Diphosphoric acid

Product order：

Name	Specifications	Packing	Price	Delivery
Pyrophosphoric acid	90%	100g	RMB 165	Consulting service
Pyrophosphoric acid	90%	500g	RMB 517	Consulting service
Pyrophosphoric acid	≥95% H4P2O7 basis	100g	RMB 319	Consulting service
Pyrophosphoric acid	≥95% H4P2O7 basis	500g	RMB 1199	Consulting service

Character：
水中溶解度: 709 g/100ml (23°C)，溶于醇和醚。
熔点：61℃

Quality Standard：
90%:

外观Appearance 白色或略带浅黄色玻璃态固体
纯度Purity ≥90.0 % (重量法)

95%:

外观Appearance                          白色至无色蜡状固体
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥95.0% H4P2O7 basis(中和滴定)
重金属heavy metals (as Pb)              ≤0.001%
Fe:                                     ≤20 ppm
Na:                                     ≤20 ppm