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等级
ACS reagent
质量水平
蒸汽密度
8.7 (vs air)
方案
≥99.5%
表单
crystals
反应适用性
reagent type: oxidant
杂质
≤0.005% insolubles
缺失
≤3.0% loss on drying
pH值（酸碱度）
3-4 (25 °C, 50 g/L)
mp
170 °C (dec.) (lit.)
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一般描述
Ammonium dichromate is a hexavalent chromium compound with a high oxidation potential. Hexavalent chromium is potent carcinogen and an environmental pollutant.
应用
Ammonium dichromate may be used in the following processes:
- Oxidation of alcohols in the presence of Mg(HSO4)2 (magnesium hydrogen sulfate) and wet SiO2 (silicon dixide).
- Preparation of Cr2O3/Al2O3 (chromium (III) oxide/aluminium oxide) catalysts.
- Oxidative coupling of thiols.
- Preparation of mesoporous molecular sieves.
- Preparation of polypyrrole (PPy).
- Preparation of solid oxide fuel cell (SOFC) interconnect.
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
储存分类代码
4.1A - Other explosive 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
Synthesis, characterization and catalytic application of Cr-SBA-1 mesoporous molecular sieves.
Zhao X and Wang X.
J. Mol. Catal. A: Chem., 261(2), 225-231 (2007)
Synthesis of La 0.7Ca0.3CrO3 SOFC interconnect using a chromium source.
Ghosh S, et al.
Electrochemical and Solid-State Letters, 9(11), A516-A519 (2006)
Voltammetry of chromium (VI) at the liquid| liquid interface.
O'Mahony AM, et al.
Electrochemical Communications, 7(10), 976-982 (2005)
Hexavalent chromium (VI): Environment pollutant and health hazard.
Das AP and Mishra S.
Journal of Environmental Research And Development, 2(3), 386-392 (2008)
Oxidative coupling of thiols in solution and under solvent-free conditions.
Shirini F, et al.
Mendeleev Communications, 14(1), 34-35 (2004)
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