重铬酸钾，Potassium dichromate；ACS reagent, ≥99.0%

等级

ACS reagent

质量水平

200

测定

≥99.0%

形式

crystals

reaction suitability

reagent type: oxidant

杂质

≤0.005% insolubles

缺失

≤0.05% loss on drying

pH值（酸碱度）

3.5-5.0 (25 °C, 29.4 g/L)

mp

398 °C (lit.)

痕量阴离子

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

痕量阳离子

Ca: ≤0.003%
Na: ≤0.001%
Na: ≤0.02%
heavy metals (as Pb): ≤5 ppm

SMILES string

[K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O

InChI

1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1

InChI key

KMUONIBRACKNSN-UHFFFAOYSA-N

象形图

GHS03,GHS05,GHS06,GHS08,GHS09

警示用语：

Danger

危险声明

H272 - H301 - H312 - H314 - H317 - H330 - H334 - H335 - H340 - H350 - H360FD - H372 - H410

预防措施声明

P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338

危险分类

Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Muta. 1B - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3

靶器官

Cardio-vascular system, Respiratory system

储存分类代码

5.1B - Oxidizing hazardous materials

WGK

WGK 3