266264
Chromium
99.5%, powder, −100 mesh
Synonym(s):
Cd
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About This Item
Empirical Formula (Hill Notation):
Cr
CAS Number:
Molecular Weight:
52.00
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12161600
EC Number:
231-157-5
MDL number:
Product Name
Chromium, powder, 99.5%, −100 mesh
Quality Level
assay
99.5%
form
powder
reaction suitability
core: chromium, reagent type: catalyst
resistivity
12.7 μΩ-cm, 20°C
particle size
−100 mesh
bp
2672 °C (lit.)
mp
1857 °C (lit.)
density
7.14 g/mL at 25 °C (lit.)
SMILES string
[Cr]
InChI
1S/Cr
InChI key
VYZAMTAEIAYCRO-UHFFFAOYSA-N
Application
Chromium powder can be used in the microwave assisted synthesis of a bis(toluene)chromium boron complex, [Cr(η-C6H5CH3)2]+ (BPh4)-. It can also be used in the solid-state synthesis of chromium sulfide.
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Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Synthetic reactions using metal powders under microwave irradiation.
Whittaker A G and Mingos D M P
J. Chem. Soc., Dalton Trans., 21, 3967-3970 (2002)
Microwave-assisted solid-state reactions involving metal powders.
GavinaWhittaker A and Michael P aMingos D
J. Chem. Soc., Dalton Trans., 12, 2073-2079 (1995)
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
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 266264-250G | 04061826133798 |
| 266264-50G | 04061826133804 |