焦硫酸钾，Potassium hydrogensulfate, fused；ACS reagent, Mixture of K2S2O7 and KHSO4

等级

ACS reagent

形式

powder

浓度

37.5-38.6% H₂SO₄ in NaOH (titration)

杂质

≤0.002% H₂SO₄
≤0.01% insolubles
≤2.5% water

酸值

37.5‑38.6%

密度

2.512 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl^-): ≤0.002%
phosphate (PO₄^3-): ≤0.001%

痕量阳离子

Ca: ≤0.002%
Fe: ≤0.002%
Mg: ≤0.001%
Na: ≤0.01%
heavy metals: ≤0.001%

SMILES string

[K+].[K+].[K+].OS([O-])(=O)=O.[O-]S(=O)(=O)OS([O-])(=O)=O

InChI

1S/3K.H2O7S2.H2O4S/c;;;1-8(2,3)7-9(4,5)6;1-5(2,3)4/h;;;(H,1,2,3)(H,4,5,6);(H2,1,2,3,4)/q3*+1;;/p-3

InChI key

ZXJZSJHWYNTTSK-UHFFFAOYSA-K

象形图

GHS05,GHS06

警示用语：

Danger

危险声明

H314 - H331 - H335

预防措施声明

P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338

危险分类

Acute Tox. 3 Inhalation - Eye Dam. 1 - Skin Corr. 1A - STOT SE 3

靶器官

Respiratory system

储存分类代码

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3