Merck
All Photos(1)

60229

Sigma-Aldrich

磷酸钾 一元

tested according to Ph. Eur., anhydrous

Synonym(s):
磷酸二氢钾, prim.-磷酸钾
Linear Formula:
KH2PO4
CAS Number:
Molecular Weight:
136.09
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.25

等级

anhydrous

质量水平

200

Agency

USP/NF
tested according to Ph. Eur.

测定

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 string

[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

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储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(F)

Not applicable

闪点(C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

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Certificate of Origin

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