磷酸二氢钾，Potassium phosphate monobasic；suitable for HPLC, LiChropur™, 99.5-101.0% (T)

测定

99.5-101.0% (T)

形式

solid

质量

LiChropur^™

technique(s)

HPLC: suitable

pH值（酸碱度）

4.1-4.5

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

mp

252.6 °C (lit.)

溶解性

H₂O: 10%, clear, colorless

密度

2.338 g/mL at 25 °C (lit.)

λ

10 % in H₂O

紫外吸收

λ: 210 nm A_max: ≤0.1
λ: 220 nm A_max: ≤0.06
λ: 230 nm A_max: ≤0.04
λ: 300 nm A_max: ≤0.02
λ: 500 nm A_max: ≤0.02

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