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Merck
CN

P2588

Sigma-Aldrich

重铬酸钾

BioXtra, ≥99.5%

别名:

红矾钾

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About This Item

线性分子式:
K2Cr2O7
CAS号:
分子量:
294.18
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.21

产品线

BioXtra

质量水平

检测方案

≥99.5%

形式

powder or crystals

反应适用性

reagent type: oxidant

杂质

<0.005% Phosphorus (P)
<0.1% Insoluble matter

pH值(酸碱度)

3.6 (100 g/L)

mp

398 °C (lit.)

溶解性

H2O: 0.1 M at 20 °C, clear, orange

痕量阴离子

sulfate (SO42-): <0.005%

痕量阳离子

Al: <0.0005%
Ca: <0.0005%
Cu: <0.0005%
Fe: <0.001%
Mg: <0.0005%
Na: <0.05%
Pb: <0.001%
Zn: ≤0.001%

SMILES字符串

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

InChI

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

InChI key

KMUONIBRACKNSN-UHFFFAOYSA-N

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一般描述

有毒 六价铬化合物重铬酸钾是一种强氧化剂。对其在人和动物中的肾毒性进行了研究。 对其晶体结构进行了分析。已经在 油菜 植物中评估了其诱导遗传和 DNA 甲基化改变的能力。

应用

重铬酸钾已被用于实验,以确定 MCM-41 支持的纳米级零价铁 (nZVI) 样品去除六价铬的能力。

警示用语:

Danger

危险分类

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 - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3

靶器官

Cardio-vascular system, Respiratory system

储存分类代码

5.1B - Oxidizing hazardous materials

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

易制爆化学品
危险化学品

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Massimo Labra et al.
Chemosphere, 54(8), 1049-1058 (2003-12-11)
This study evaluated genetic and DNA methylation alteration induced by potassium dichromate in Brassica napus L. plants. Amplified fragment length polymorphism (AFLP) and selective amplification of polymorphic loci (SAMPL) tests revealed dose-related increases in sequence alterations in plantlets exposed to
A G Levis et al.
Cancer research, 38(1), 110-116 (1978-01-01)
Treatments for 1 to 4 hr with 10-4 m potassium dichromate, a soluble hexavalent chromium salt with a strong oxidizing power, markedly reduce DNA and RNA accumulation rates in hamster fibroblasts grown in vitro (BHK line), as shown by quantitative
Nanoscale zero-valent iron supported on mesoporous silica: Characterization and reactivity for Cr(VI) removal from aqueous solution.
Petala E, et al.
Journal of Hazardous Materials, 261, 295-306 (2013)
Eduardo Molina-Jijón et al.
Free radical biology & medicine, 51(8), 1543-1557 (2011-08-16)
We report the role of mitochondria in the protective effects of curcumin, a well-known direct and indirect antioxidant, against the renal oxidant damage induced by the hexavalent chromium [Cr(VI)] compound potassium dichromate (K(2)Cr(2)O(7)) in rats. Curcumin was given daily by
An accurate determination of the crystal structure of triclinic potassium dichromate, K2Cr2O7.
Brandon JK and Brown ID.
Canadian Journal of Chemistry, 46(6), 933-941 (1968)

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