1.04952

Potassium chromate

for analysis EMSURE^® ACS,Reag. Ph Eur

• 別名: Potassium chromate, chromic acid potassium salt
• 実験式（ヒル表記法）: CrK₂O₄
• CAS番号: 7789-00-6
• 分子量: 194.19
• MDL番号: MFCD00011368
• UNSPSCコード: 12352302
• EC Index Number: 232-140-5
• NACRES: NA.21
• アッセイ: ≥99.5% (iodometric)
• グレード: ACS reagent
• フォーム: solid
• 溶解性: 637 g/L

特性

• グレード: ACS reagent
• 品質水準: 300
• 認証: reag. Ph. Eur.
• 製品種目: EMSURE^®
• アッセイ: ≥99.5% (iodometric)
• フォーム: solid
• 不純物: ≤0.005% In water insoluble matter
• pH: 9.0-9.8 (20 °C, 50 g/L in H₂O)
• mp: 985 °C
• 溶解性: 637 g/L
• 密度: 2.73 g/cm³ at 18 °C
• かさ密度: 1400 kg/m³
• 微量陰イオン: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.01%
• 微量陽イオン: Ca: ≤0.005%; Na: ≤0.02%; Pb: ≤0.005%
• 保管温度: 2-30°C
• InChI: 1S/Cr.2K.4O/q;2*+1;;;2*-1
• InChI Key: XMXNVYPJWBTAHN-UHFFFAOYSA-N

詳細

アプリケーション

• 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).

アナリシスノート

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 %

法的情報

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

安全性情報

• ピクトグラム: GHS07,GHS08,GHS09
• シグナルワード: Danger
• 危険有害性情報: H315 - H317 - H319 - H335 - H340 - H350i - H410
• 注意書き: P202 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• 危険有害性の分類: Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• ターゲットの組織: Respiratory system
• 保管分類コード: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 3
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable