450138
重铬酸铵
99.999% trace metals basis
别名:
红矾铵
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关于此项目
线性分子式:
(NH4)2Cr2O7
化学文摘社编号:
分子量:
252.06
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
232-143-1
MDL number:
Assay:
99.999% trace metals basis
Form:
crystalline
InChI key
XAQCJVGGJJFLPP-UHFFFAOYSA-L
InChI
1S/2Cr.2H3N.2H2O.5O/h;;2*1H3;2*1H2;;;;;/q2*+1;;;;;;;;;/p-2
SMILES string
N.N.O[Cr](=O)(=O)O[Cr](O)(=O)=O
vapor density
8.7 (vs air)
assay
99.999% trace metals basis
form
crystalline
reaction suitability
reagent type: oxidant
impurities
≤15.0 ppm Trace Metal Analysis
mp
170 °C (dec.) (lit.)
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signalword
Danger
Hazard Classifications
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
存储类别
4.1A - Other explosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
新产品
此项目有
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)
Chromate in colour television tube manufacture.
S Sinclair et al.
Contact dermatitis, 21(5), 353-353 (1989-11-01)
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
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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