1.04952

Potassium chromate

for analysis EMSURE^® ACS,Reag. Ph Eur

• 别名: Potassium chromate, chromic acid potassium salt
• 经验公式（希尔记法）: CrK₂O₄
• CAS号: 7789-00-6
• 分子量: 194.19
• MDL號碼: MFCD00011368
• 分類程式碼代碼: 12352302
• 酶委員會索引編號: 232-140-5
• NACRES: NA.21

属性

• 等級: ACS reagent
• 品質等級: 300
• agency: reag. Ph. Eur.
• 產品線: EMSURE^®
• 化驗: ≥99.5% (iodometric)
• 形狀: solid
• 雜質: ≤0.005% In water insoluble matter
• pH值: 9.0-9.8 (20 °C, 50 g/L in H₂O)
• mp: 985 °C
• 溶解度: 637 g/L
• 密度: 2.73 g/cm³ at 18 °C
• 體積密度: 1400 kg/m³
• 負離子痕跡: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.01%
• 正離子痕跡: Ca: ≤0.005%; Na: ≤0.02%; Pb: ≤0.005%
• 儲存溫度: 2-30°C
• InChI: 1S/Cr.2K.4O/q;2*+1;;;2*-1
• InChI 密鑰: XMXNVYPJWBTAHN-UHFFFAOYSA-N

说明

應用

• 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).

分析報告

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 %

法律資訊

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

安全信息

• 象形圖: GHS07,GHS08,GHS09
• 訊號詞: Danger
• 危險聲明: H315 - H317 - H319 - H335 - H340 - H350i - H410
• 防範說明: P202 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• 危險分類: Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• 標靶器官: Respiratory system
• 儲存類別代碼: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable