1.04952

Potassium chromate

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonyme(s) : Potassium chromate, chromic acid potassium salt
• Formule empirique (notation de Hill): CrK₂O₄
• Numéro CAS: 7789-00-6
• Poids moléculaire : 194.19
• Numéro MDL: MFCD00011368
• Code UNSPSC : 12352302
• Numéro de classement CE : 232-140-5
• Nomenclature NACRES : NA.21

Propriétés

• Qualité: ACS reagent
• Niveau de qualité: 300
• Agence: reag. Ph. Eur.
• Gamme de produits: EMSURE^®
• Pureté: ≥99.5% (iodometric)
• Forme: solid
• Impuretés: ≤0.005% In water insoluble matter
• pH: 9.0-9.8 (20 °C, 50 g/L in H₂O)
• Pf: 985 °C
• Solubilité: 637 g/L
• Densité: 2.73 g/cm³ at 18 °C
• Masse volumique apparente: 1400 kg/m³
• Traces d'anions: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.01%
• Traces de cations: Ca: ≤0.005%; Na: ≤0.02%; Pb: ≤0.005%
• Température de stockage: 2-30°C
• InChI: 1S/Cr.2K.4O/q;2*+1;;;2*-1
• Clé InChI: XMXNVYPJWBTAHN-UHFFFAOYSA-N

Description

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).

Remarque sur l'analyse

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 %

Informations légales

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

Informations sur la sécurité

• Pictogrammes: GHS07,GHS08,GHS09
• Mention d'avertissement: Danger
• Mentions de danger: H315 - H317 - H319 - H335 - H340 - H350i - H410
• Conseils de prudence: P202 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Classification des risques: Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• Organes cibles: Respiratory system
• Code de la classe de stockage: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable