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重要文件

236470

Sigma-Aldrich

三氧化铬(VI)

ACS reagent, ≥98.0%

同義詞:

铬酸酐

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About This Item

經驗公式(希爾表示法):
CrO3
CAS號碼:
分子量::
99.99
EC號碼:
MDL號碼:
分類程式碼代碼:
12352303
PubChem物質ID:
NACRES:
NB.24
化驗:
≥98.0%
等級:
ACS reagent
形狀:
powder or crystals

等級

ACS reagent

品質等級

化驗

≥98.0%

形狀

powder or crystals

反應適用性

reagent type: oxidant

雜質

≤0.01% insolubles

pH值

<1 (20 °C, 100 g/L)

mp

196 °C (dec.) (lit.)

負離子痕跡

chloride (Cl-): ≤0.005%
nitrate (NO3-): ≤0.05%
sulfate (SO42-): ≤0.005%

正離子痕跡

Fe, Al, Ba: ≤0.03%
Na: ≤0.2%

SMILES 字串

O=[Cr](=O)=O

InChI

1S/Cr.3O

InChI 密鑰

WGLPBDUCMAPZCE-UHFFFAOYSA-N

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一般說明

氧化铬(VI)是一种氧化剂,可用于将碳氢键氧化为醇,将烷基芳烃氧化为酮和羧酸,将烯烃氧化为 α, β-不饱和酮,将芳烃氧化为醌,将醇氧化为醛、酮、酸和酮酸

訊號詞

Danger

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

5.1A - Strongly oxidizing hazardous materials

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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分析證明 (COA)

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Freeman F, et al.
e-EROS Encyclopedia of Reagents for Organic Synthesis (2001)
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
S Y Shiau et al.
The Journal of nutrition, 123(10), 1747-1753 (1993-10-01)
An experiment was conducted to study the influence of three different forms of chromium (CrCl3.6H2O, Na2CrO4.4H2O and Cr2O3) on the utilization of two carbohydrates (glucose and cornstarch) by juvenile hybrid tilapia (Oreochromis niloticus x O. aureus). Average initial body weight

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