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1.04952

Potassium chromate

Name: Potassium chromate
Brand: MM

for analysis EMSURE^® ACS,Reag. Ph Eur

别名:

Potassium chromate, chromic acid potassium salt

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关于此项目

经验公式（希尔记法）:

CrK₂O₄

化学文摘社编号:

7789-00-6

分子量:

194.19

UNSPSC Code:

12352302

EC Index Number:

232-140-5

NACRES:

NA.21

MDL number:

MFCD00011368

Assay:

≥99.5% (iodometric)

Grade:

ACS reagent

Form:

solid

Solubility:

637 g/L

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属性

grade

ACS reagent

Quality Level

300

agency

reag. Ph. Eur.

product line

EMSURE^®

assay

≥99.5% (iodometric)

form

solid

impurities

≤0.005% In water insoluble matter

pH

9.0-9.8 (20 °C, 50 g/L in H₂O)

mp

985 °C

solubility

637 g/L

density

2.73 g/cm³ at 18 °C

bulk density

1400 kg/m³

anion traces

chloride (Cl^-): ≤0.001%, sulfate (SO₄^2-): ≤0.01%

cation traces

Ca: ≤0.005%, Na: ≤0.02%, Pb: ≤0.005%

storage temp.

2-30°C

SMILES string

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

InChI

1S/Cr.2K.4O/q;2*+1;;;2*-1

InChI key

XMXNVYPJWBTAHN-UHFFFAOYSA-N

说明

Application

Analysis of the Effects of Cr(VI) Exposure on mRNA Modifications.: This research investigates the impact of potassium chromate exposure on mRNA modifications using sophisticated analytical chemistry techniques, revealing insights into the molecular mechanisms of chromium toxicity and its implications for human health (Chen et al., 2019).
Determination of urine oxalate level in rats with renal calcium oxalate calculus by high-performance liquid chromatography.: Utilizing potassium chromate in the chromatographic analysis, this study presents a method for accurately measuring urine oxalate levels, crucial for research on kidney stone prevention (Cao et al., 2015).
Shotgun proteomic analysis unveils survival and detoxification strategies by Caulobacter crescentus during exposure to uranium, chromium, and cadmium.: Incorporates potassium chromate to study microbial resistance mechanisms through proteomic profiling, providing valuable data for bioremediation strategies (Yung et al., 2014).
Analytical study of modern paint layers on metal knight shields: the use and effect of titanium white.: Features methods where potassium chromate aids in the identification of chemical components in cultural heritage conservation studies (Lauridsen et al., 2014).

Analysis Note

Assay (iodometric): ≥ 99.5 %
In water insoluble matter: ≤ 0.005 %
pH-value (5 %; water): 9.0 - 9.8
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.01 %
Ca (Calcium): ≤ 0.005 %
Na (Sodium): ≤ 0.02 %
Pb (Lead): ≤ 0.005 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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pictograms

GHS07,GHS08,GHS09

signalword

Danger

hcodes

H315 - H317 - H319 - H335 - H340 - H350i - H410

pcodes

P202 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

存储类别

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c