天天玩天天干夜夜吻夜夜添_亚洲另类无码专区首_717午夜福利电影_中国极品美軳视频区

























Sodium hydrogen phosphate



intro:
Product Name    sodium hydrogen phosphate
CAS RN             7558-79-4
EINECS RN        231-448-7
Molecular Formula Na2HPO4
Molecular Weight  141.9588
Properties colorless transparent monoclinic diamond crystal, Relative Density: 1.52; soluble in water, insoluble in alcohols. 
Use As water softener, textiles weighting agent, fireproofing agent etc. 





?