硫氰酸钾，Potassium thiocyanate [KSCN]；for analysis EMSURE® ACS,ISO,Reag. Ph Eur, ≥99.0% (silver nitrate titration)

等级

ACS reagent

质量水平

300

Agency

reag. ISO
reag. Ph. Eur.

蒸汽压

<0.001 hPa ( 20 °C)

产品线

EMSURE^®

检测方案

≥99.0% (silver nitrate titration)

形式

crystalline

效能

854 mg/kg LD₅₀, oral (Rat)

杂质

≤0.003% Insoluble matter
≤0.025% Iodine consuming substances

pH值（酸碱度）

5.3-8.5 (20 °C, 50 g/L in H₂O)

bp

>400 °C/1013 hPa (decomposition)

mp

177 °C

密度

1.91 g/cm³ at 20 °C

堆积密度

750‑1000 kg/m³

痕量阴离子

chloride (Cl^-): ≤0.005%
sulfate (SO₄^2-): ≤0.002%
sulfide (S^2-): ≤0.001%

痕量阳离子

Cu: ≤0.0002%
Fe: ≤0.0001%
NH₄⁺: ≤0.002%
Na: ≤0.005%
Pb: ≤0.0002%
heavy metals (as Pb): ≤0.0005%

储存温度

2-30°C

InChI

1S/CHNS.K/c2-1-3;/h3H;/q;+1/p-1

InChI key

ZNNZYHKDIALBAK-UHFFFAOYSA-M