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Merck

450138

Sigma-Aldrich

重铬酸铵

99.999% trace metals basis

别名:

红矾铵

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About This Item

线性分子式:
(NH4)2Cr2O7
CAS号:
分子量:
252.06
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.23

等级

for analytical purposes

蒸汽密度

8.7 (vs air)

方案

99.999% trace metals basis

表单

crystalline

反应适用性

reagent type: oxidant

杂质

≤15.0 ppm Trace Metal Analysis

mp

170 °C (dec.) (lit.)

SMILES字符串

N.N.O[Cr](=O)(=O)O[Cr](O)(=O)=O

InChI

1S/2Cr.2H3N.2H2O.5O/h;;2*1H3;2*1H2;;;;;/q2*+1;;;;;;;;;/p-2

InChI key

XAQCJVGGJJFLPP-UHFFFAOYSA-L

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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


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Investigation and prevention of chromate dermatitis in colour television manufacture.
C J Stevenson et al.
The Journal of the Society of Occupational Medicine, 33(1), 19-20 (1983-01-01)
S A Ali
American journal of contact dermatitis : official journal of the American Contact Dermatitis Society, 8(4), 222-224 (1998-01-07)
An outbreak of dermatitis occurred in the Flow Coat sector of a large and modern color television factory. After investigating the working procedures in this area, a risk of contamination of the skin and clothing with ammonium dichromate was found
Chromate in colour television tube manufacture.
S Sinclair et al.
Contact dermatitis, 21(5), 353-353 (1989-11-01)
K L Meert et al.
Annals of emergency medicine, 24(4), 748-750 (1994-10-01)
We report the ingestion of ammonium dichromate by a child that resulted in multiple-organ-system failure and death. Exchange transfusion and hemodialysis were ineffective in removing significant amounts of chromium or causing sustained clinical improvement. We suggest that immediate, large doses
Shankha S Acharyya et al.
ACS applied materials & interfaces, 6(16), 14451-14459 (2014-08-02)
Three-dimensional (3D) raspberry-like CuCr2O4 spinel nanoparticles were prepared hydrothermally in the presence of cationic surfactant, cetyltrimethylammonium bromide (CTAB). Detailed characterization of the material was carried out by X-ray diffraction (XRD), inductively coupled plasma-atomic emission spectroscopy (ICP-AES), X-ray photoelectron spectroscopy (XPS)

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