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Merck
CN

1.04864

Potassium dichromate

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

别名:

Potassium dichromate, Potassium bichromate, Potassium pyrochromate

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关于此项目

经验公式(希尔记法):
Cr2K2O7
化学文摘社编号:
分子量:
294.18
UNSPSC Code:
12352302
EC Index Number:
231-906-6
NACRES:
NA.21
MDL number:
Assay:
≥99.9% dry basis (iodometric)
Grade:
ACS reagent
Form:
crystalline
Solubility:
115 g/L
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产品名称

Potassium dichromate, for analysis EMSURE® ACS,ISO,Reag. Ph Eur

SMILES string

[Cr](=O)(=O)([O-])O[Cr](=O)(=O)[O-].[K+].[K+]

InChI

1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1

InChI key

KMUONIBRACKNSN-UHFFFAOYSA-N

grade

ACS reagent

agency

reag. ISO
reag. Ph. Eur.

product line

EMSURE®

assay

≥99.9% dry basis (iodometric)

form

crystalline

potency

90.5 mg/kg LD50, oral (Rat)
1170 mg/kg LD50, skin (Rat)

impurities

≤0.005% Insoluble matter

loss

≤0.05% loss on drying, 130 °C

pH

3.6 (100 g/L in H2O)

bp

>500 °C/1013 hPa

mp

398 °C

solubility

115 g/L

density

2.7 g/cm3 at 20 °C

bulk density

1250 kg/m3

anion traces

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.002%
Cu: ≤0.001%
Fe: ≤0.001%
Na: ≤0.02%
Pb: ≤0.005%

storage temp.

2-30°C

Quality Level

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相关类别

Analysis Note

Assay (iodometric, calc. on dried substance): ≥ 99.9 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
Na (Sodium): ≤ 0.02 %
Pb (Lead): ≤ 0.005 %
Loss on drying (130 °C): ≤ 0.05 %

Application

  • LC-HRMS methods for the quantification of two artemisinin drugs and their metabolites in rat blood and plasma.: This study develops a liquid chromatography-high resolution mass spectrometry (LC-HRMS) method using potassium dichromate as a calibration standard, significantly enhancing the accuracy and precision in pharmaceutical analysis (Zhou et al., 2024).
  • A novel model extended from the Bouguer-Lambert-Beer law can describe the non-linear absorbance of potassium dichromate solutions and microalgae suspensions.: Research presents a novel mathematical model incorporating potassium dichromate, offering a more accurate method for assessing the optical properties of solutions, critical for analytical applications in bioengineering and environmental studies (Yeh et al., 2023).
  • Melatonin Alleviated Potassium Dichromate-Induced Oxidative Stress and Reprotoxicity in Male Rats.: Investigates the protective effects of melatonin against oxidative stress caused by potassium dichromate in clinical settings, providing insights into its potential therapeutic applications (Bashandy et al., 2021).
  • Assessing the acute and chronic toxicity of exposure to naturally occurring oil sands deposits to aquatic organisms using Daphnia magna.: Features a study on the environmental impact of potassium dichromate, providing essential data for environmental toxicology and pollution assessment (Cardoso et al., 2020).

Other Notes

Replaces: PX1445-2; PX1445

Legal Information

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

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Muta. 1B - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - STOT RE 1 Inhalation - STOT SE 3

target_organs

Cardio-vascular system, Respiratory system

存储类别

5.1B - Oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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