Merck
所有图片(1)

文件

255610

Sigma-Aldrich

铬

chips, thickness ~2 mm, 99.5%

所有图片(1)
别名:
Cd
Empirical Formula (Hill Notation):
Cr
CAS号:
7440-47-3
分子量:
52.00
EC 号:
231-157-5
MDL编号:
MFCD00010944
PubChem化学物质编号:
24855468
NACRES:
NA.22

质量水平

100

检测方案

99.5%

形式

chips

reaction suitability

core: chromium
reagent type: catalyst

电阻率

12.7 μΩ-cm, 20°C

厚度

~2 mm

bp

2672 °C (lit.)

mp

1857 °C (lit.)

密度

7.14 g/mL at 25 °C (lit.)

SMILES string

[Cr]

InChI

1S/Cr

InChI key

VYZAMTAEIAYCRO-UHFFFAOYSA-N

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此商品
266299266264GF81420094
Chromium chips, thickness ~2 mm, 99.5%

Sigma-Aldrich

255610

铬

Chromium powder, ≥99% trace metals basis, <45 μm

Sigma-Aldrich

266299

铬

Chromium powder, 99.5%, −100 mesh

Sigma-Aldrich

266264

铬

Chromium foil, 50x50mm, thickness 2.0mm, hard, 99.7+%

GF81420094

铬

form

chips

form

powder

form

powder

form

foil

reaction suitability

core: chromium, reagent type: catalyst

reaction suitability

core: chromium, reagent type: catalyst

reaction suitability

core: chromium, reagent type: catalyst

reaction suitability

-

bp

2672 °C (lit.)

bp

2672 °C (lit.)

bp

2672 °C (lit.)

bp

2672 °C (lit.)

mp

1857 °C (lit.)

mp

1857 °C (lit.)

mp

1857 °C (lit.)

mp

1857 °C (lit.)

density

7.14 g/mL at 25 °C (lit.)

density

7.14 g/mL at 25 °C (lit.)

density

7.14 g/mL at 25 °C (lit.)

density

7.14 g/mL at 25 °C (lit.)

储存分类代码

13 - Non Combustible Solids

WGK

nwg

闪点(F)

Not applicable

闪点(C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

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货号
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25G
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J A J Vanoirbeek et al.
Journal of toxicology and environmental health. Part A, 66(4), 393-409 (2003-01-30)
Chromium-based catalysts are used for the synthesis of polyethylene, but little is known about the hazard and biomonitoring possibilities of this type of chromium for workers who may be occupationally exposed to such compounds. Therefore, the bioavailability and toxicokinetics of
B Seifert et al.
Journal of exposure analysis and environmental epidemiology, 10(2), 103-114 (2000-05-03)
The German Environmental Survey (GerES) is a large-scale population study which has repeatedly been carried out in Germany. GerES I was conducted in 1985/1986 followed by GerES IIa in 1990/1991 (West Germany) and GerES IIb in 1991/1992 (East Germany). GerES
Feng Liu et al.
Scientific reports, 3, 1554-1554 (2013-03-28)
In conventional photostimulable storage phosphors, the optical information written by x-ray or ultraviolet irradiation is usually read out as a visible photostimulated luminescence (PSL) signal under the stimulation of a low-energy light with appropriate wavelength. Unlike the transient PSL, here
H John Cooper et al.
The Journal of bone and joint surgery. American volume, 95(10), 865-872 (2013-05-17)
Femoral stems with dual-taper modularity were introduced to allow additional options for hip-center restoration independent of femoral fixation in total hip arthroplasty. Despite the increasing availability and use of these femoral stems, concerns exist about potential complications arising from the
Carola Lidén et al.
Contact dermatitis, 54(5), 233-238 (2006-05-13)
There is a great need to accurately assess skin exposure to contact allergens. We have developed a technique for assessment of skin exposure to nickel, chromium and cobalt using acid wipe sampling by cellulose wipes with 1% nitric acid. Chemical
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