1.04952

Potassium chromate

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonim(y): Potassium chromate, chromic acid potassium salt
• Wzór empiryczny (zapis Hilla): CrK₂O₄
• Numer CAS: 7789-00-6
• Masa cząsteczkowa: 194.19
• Numer MDL: MFCD00011368
• Kod UNSPSC: 12352302
• Numer indeksu EC: 232-140-5
• NACRES: NA.21

Właściwości

• klasa czystości: ACS reagent
• Poziom jakości: 300
• agency: reag. Ph. Eur.
• linia produktu: EMSURE^®
• Próba: ≥99.5% (iodometric)
• Postać: solid
• zanieczyszczenia: ≤0.005% In water insoluble matter
• pH: 9.0-9.8 (20 °C, 50 g/L in H₂O)
• mp: 985 °C
• rozpuszczalność: 637 g/L
• gęstość: 2.73 g/cm³ at 18 °C
• gęstość nasypowa: 1400 kg/m³
• ślady anionów: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.01%
• ślady kationów: Ca: ≤0.005%; Na: ≤0.02%; Pb: ≤0.005%
• temp. przechowywania: 2-30°C
• InChI: 1S/Cr.2K.4O/q;2*+1;;;2*-1
• Klucz InChI: XMXNVYPJWBTAHN-UHFFFAOYSA-N

Opis

Zastosowanie

• 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).

Komentarz do analizy

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 %

Informacje prawne

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

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Informacja o środkach bezpieczeństwa

• Piktogramy: GHS07,GHS08,GHS09
• Hasło ostrzegawcze: Danger
• Zwroty wskazujące rodzaj zagrożenia: H315 - H317 - H319 - H335 - H340 - H350i - H410
• Zwroty wskazujące środki ostrożności: P202 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Klasyfikacja zagrożeń: Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• Organy docelowe: Respiratory system
• Kod klasy składowania: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• Klasa zagrożenia wodnego (WGK): WGK 3
• Temperatura zapłonu (°F): Not applicable
• Temperatura zapłonu (°C): Not applicable