邻苯二甲酸氢钾，Potassium hydrogen phthalate [KHP]；for analysis EMSURE® Reag. Ph Eur, ≥99.5% dry basis (perchloric acid titration)

Agency

reag. Ph. Eur.

质量水平

300

产品线

EMSURE^®

检测方案

≥99.5% dry basis (perchloric acid titration)

形式

solid

效能

>3200 mg/kg LD₅₀, oral (Rat)

杂质

≤0.005% In water insoluble matter

缺失

≤0.2% loss on drying, 105°C

pH值（酸碱度）

4.0 (20 °C, 50 g/L in H₂O)

mp

295-300 °C

密度

1.636 g/cm³

堆积密度

900 kg/m³

痕量阴离子

chloride (Cl^-): ≤0.002%
sulfur compounds (as SO₄^2-): ≤0.005%

痕量阳离子

Cu: ≤0.0002%
Fe: ≤0.0005%
Na: ≤0.01%
Pb: ≤0.0005%
heavy metals (as Pb): ≤0.0005%

储存温度

2-30°C

InChI

1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1

InChI key

IWZKICVEHNUQTL-UHFFFAOYSA-M