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Hubei Zhenhua Chemical Co., Ltd.
Hubei Zhenhua Chemical Co., Ltd.
21 YRS
Hubei, China
Main Products:
Chromic Trioxide / Dichromium Trioxide / Sodium Dichromate Dihydrate / Basic Chromic Sulfate / Chromium / Aluminium Hydroxide / Sodium Sulfate / Degreasing Powder
Hubei, China
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Metal Chrome / CAS 7440-47-3
OVERVIEW
Packaging
100 KG/Iron Drum
Lead Time
14-30 days
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DESCRIPTION
Metal Chrome
Typical Properties
Summary
Chromium is a silvery white shiny metal. Pure chromium has ductility. Chromium containing impurities is hard and brittle. Density 7.20g/cm3. Soluble in strong alkali solution. Chromium has high corrosion resistance and oxidizes slowly in the air, even in the red hot state. Insoluble in water. Plating on metal can play a protective role.
CAS No.
7440-47-3
Formula
Cr
Molecular Mass
51.99610
Exact Mass
51.94050
PSA
0.00000
Logp
0.00000
IUPAC
chromium
SMILES
[Cr]
Attribute classification
Matter Classification
inorganic
Category
Inorganic Chemicals > Elementary Element
Chemical and Physical Properties
Melting Point
4 °C
Density
7.14 g/mL at 25 °C
Boiling Point
82 °C
Flash Point
50 °F
Appearance
Silver-gray powder
Acidity and Basicity
neutral reducibility
Export information
HS Code
81122100
Export Rebate
0%
Export Formalities
4,x,y
UN No.
1759
DG-Class
8
Risk Code
R11-20/21/22-34-40-23-67-36
Safety Label
F,C,Xn,Xi
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