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Merck
CN

232653

Sigma-Aldrich

三氧化铬(VI)

ReagentPlus®, 99.9% trace metals basis

别名:

铬酸酐

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About This Item

经验公式(希尔记法):
CrO3
CAS号:
分子量:
99.99
EC 号:
MDL编号:
UNSPSC代码:
12352303
PubChem化学物质编号:
NACRES:
NA.55

质量水平

产品线

ReagentPlus®

方案

99.9% trace metals basis

表单

(powder and or flakes)

pH值(酸碱度)

<1 (20 °C, 100 g/L)

mp

196 °C (dec.) (lit.)

SMILES字符串

O=[Cr](=O)=O

InChI

1S/Cr.3O

InChI key

WGLPBDUCMAPZCE-UHFFFAOYSA-N

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一般描述

Chromium (VI) oxide is acidic anhydride of chromic acid. It is a useful oxidizing reagent for the conversions of:,Carbon-hydrogen bonds to alcohols,,Alkenes to α, β-unsaturated ketones,Alcohol to aldehydes, acids, and keto acids.

应用

与氯化铵一起用于将氢化苯偶姻氧化成苯偶酰。
Chromium (VI) oxide may be employed as a catalyst for the following reactions:
  • Transformation of various primary alcohols to carboxylic acids.
  • Oxidation of arenes (naphthalenes and anthrathene) to the corresponding quinones by using periodic acid as the terminal oxidant in acetonitrile.
  • Benzylic oxidation of various substituted toluene to the corresponding benzoic acids.
  • Oxidation of sulfides to sulfones.

法律信息

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

警示用语:

Danger

危险分类

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

靶器官

Respiratory system

储存分类代码

5.1A - Strongly oxidizing hazardous materials

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

危险化学品

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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访问文档库

Letters in Organic Chemistry, 3, 842-842 (2006)
Chromium (VI) Oxide.
Freeman F, et al.
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2008)
Chromium (VI) oxide-catalyzed oxidation of arenes with periodic acid.
Yamazaki S.
Tetrahedron Letters, 42(19), 3355-3357 (2001)
S Kondo et al.
European journal of biochemistry, 200(3), 689-698 (1991-09-15)
The chemical structure of the saccharide portion of Vibrio parahaemolyticus serotype 012 lipopolysaccharide was studied. Using chemical degradation and modification, as well as methylation analysis in combination with GLC-MS, laser-desorption mass spectrometry and 1H-NMR and 13C-NMR spectroscopy, the carbohydrate backbone
L Vayssieres et al.
Journal of nanoscience and nanotechnology, 1(4), 385-388 (2003-08-14)
We are reporting here on the inexpensive fabrication and optical properties of an iron(III) oxide-chromium(III) oxide nanocomposite thin film of corundum crystal structure. Its novel and unique-designed architecture consists of uniformed, well-defined and oriented nanorods of Hematite (alpha-Fe2O3) of 50

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