1.04952

Potassium chromate

for analysis EMSURE^® ACS,Reag. Ph Eur

• 동의어(들): Potassium chromate, chromic acid potassium salt
• 실험식(Hill 표기법): CrK₂O₄
• CAS Number: 7789-00-6
• Molecular Weight: 194.19
• MDL number: MFCD00011368
• UNSPSC 코드: 12352302
• EC 인덱스 번호: 232-140-5
• NACRES: NA.21
• solubility: 637 g/L

속성

• Grade: ACS reagent
• Quality Level: 300
• Agency: reag. Ph. Eur.
• 제품 라인: EMSURE^®
• 분석: ≥99.5% (iodometric)
• 양식: solid
• 불순물: ≤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
• 벌크 밀도: 1400 kg/m³
• 음이온 미량물: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.01%
• 양이온 미량물: Ca: ≤0.005%; Na: ≤0.02%; Pb: ≤0.005%
• 저장 온도: 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

설명

애플리케이션

• 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).

분석 메모

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 %

법적 정보

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

안전성 정보

• 픽토그램: GHS07,GHS08,GHS09
• 신호어: Danger
• 유해 및 위험 성명서: H315 - H317 - H319 - H335 - H340 - H350i - H410
• 예방조치 성명서: 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
• 표적 기관: Respiratory system
• Storage Class Code: 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): Not applicable