60229

Sigma-Aldrich

磷酸钾 一元

tested according to Ph. Eur., anhydrous

别名:

磷酸二氢钾, prim.-磷酸钾

线性分子式:KH2PO4

CAS号:7778-77-0

分子量:136.09

EC 号:231-913-4

MDL编号:MFCD00011401

PubChem化学物质编号:329758833

NACRES:NA.25

属性

等级anhydrous

质量水平200

Agency：USP/NF

　　　　tested according to Ph. Eur.

检测方案98-100.5% dry basis

形式crystalline

缺失<2.0% loss on drying

pKa (25 °C)：(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

mp：252.6 °C (lit.)

溶解性water: 208 g/L at 20 °C

密度2.338 g/mL at 25 °C (lit.)

SMILES字符串：[K+].OP(O)([O-])=O

InChI：1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1

InChI key：GNSKLFRGEWLPPA-UHFFFAOYSA-M