1.04952

Kaliumchromat

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonym(e): Kaliumchromat, Chromsäure-Kaliumsalz
• Empirische Formel (Hill-System): CrK₂O₄
• CAS-Nummer: 7789-00-6
• Molekulargewicht: 194.19
• MDL-Nummer: MFCD00011368
• UNSPSC-Code: 12352302
• EG-Index-Nummer: 232-140-5
• NACRES: NA.21

Eigenschaften

• Qualität: ACS reagent
• Qualitätsniveau: 300
• Agentur: reag. Ph. Eur.
• Produktlinie: EMSURE^®
• Assay: ≥99.5% (iodometric)
• Form: solid
• Verunreinigungen: ≤0.005% In water insoluble matter
• pH-Wert: 9.0-9.8 (20 °C, 50 g/L in H₂O)
• mp (Schmelzpunkt): 985 °C
• Löslichkeit: 637 g/L
• Dichte: 2.73 g/cm³ at 18 °C
• Schüttdichte: 1400 kg/m³
• Anionenspuren: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.01%
• Kationenspuren: Ca: ≤0.005%; Na: ≤0.02%; Pb: ≤0.005%
• Lagertemp.: 2-30°C
• InChI: 1S/Cr.2K.4O/q;2*+1;;;2*-1
• InChIKey: XMXNVYPJWBTAHN-UHFFFAOYSA-N

Beschreibung

Anwendung

• 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).

Hinweis zur Analyse

Assay (iodometrisch): ≥ 99,5 %
In Wasser unlösliche Anteile: ≤ 0,005 %
pH-Wert (5 %; Wasser): 9,0–9,8
Chlorid (Cl): ≤ 0,001 %
Sulfat (SO₄): ≤ 0,01 %
Ca (Calcium): ≤ 0,005 %
Na (Natrium): ≤ 0,02 %
Pb (Blei): ≤ 0,005 %

Rechtliche Hinweise

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

Sicherheitshinweise

• Piktogramme: GHS07,GHS08,GHS09
• Signalwort: Danger
• H-Sätze: H315 - H317 - H319 - H335 - H340 - H350i - H410
• P-Sätze: P202 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Gefahreneinstufungen: Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable