1.04952

Potassium chromate

for analysis EMSURE^® ACS,Reag. Ph Eur

• Sinónimos: Potassium chromate, chromic acid potassium salt
• Fórmula empírica (notación de Hill): CrK₂O₄
• Número de CAS: 7789-00-6
• Peso molecular: 194.19
• Número MDL: MFCD00011368
• Código UNSPSC: 12352302
• Número índice de la CE: 232-140-5
• NACRES: NA.21

Propiedades

• grado: ACS reagent
• Nivel de calidad: 300
• Agency: reag. Ph. Eur.
• Línea del producto: EMSURE^®
• Análisis: ≥99.5% (iodometric)
• formulario: solid
• impurezas: ≤0.005% In water insoluble matter
• pH: 9.0-9.8 (20 °C, 50 g/L in H₂O)
• mp: 985 °C
• solubilidad: 637 g/L
• densidad: 2.73 g/cm³ at 18 °C
• densidad aparente: 1400 kg/m³
• trazas de anión: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.01%
• trazas de catión: Ca: ≤0.005%; Na: ≤0.02%; Pb: ≤0.005%
• temp. de almacenamiento: 2-30°C
• InChI: 1S/Cr.2K.4O/q;2*+1;;;2*-1
• Clave InChI: XMXNVYPJWBTAHN-UHFFFAOYSA-N

Descripción

Aplicación

• 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).

Nota de análisis

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 %

Información legal

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

Información de seguridad

• Pictogramas: GHS07,GHS08,GHS09
• Palabra de señalización: Danger
• Frases de peligro: H315 - H317 - H319 - H335 - H340 - H350i - H410
• Consejos de prudencia: P202 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Clasificaciones de peligro: Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• Órganos de actuación: Respiratory system
• Código de clase de almacenamiento: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• Clase de riesgo para el agua (WGK): WGK 3
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable