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Sodium Dichromate Dihydrate

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Sodium Dichromate Dihydrate / CAS : 7789-12-0

Appearance Orange crystal or needle UN 3086
HS 28413000 DG Class 6.1
Synonyms Disodium,Oxido-(Oxido(Dioxo)Chromio)oxy-Dioxochromium,Dihydrate; Sodium Dichromate
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Properties

Summary

Formula
Cr2H4Na2O9
Molecular Mass
297.99800
Exact Mass
297.84600
PSA
142.09000
Logp
-0.90980
IUPAC
disodium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium;dihydrate
SMILES
O.O.[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[Na+].[Na+]

Attribute classification

Matter Classification
organic
Category
Inorganic Chemicals > Inorganic Salt
Surfactants, Catalysts > Amphoteric Surfactant

Chemical and Physical Properties

Melting Point
91 °C(lit.)
Density
2,348 g/cm3
Boiling Point
400°C
Appearance
Orange crystal or needle

Export information

HS Code
28413000
Export Rebate
0%
UN No.
3086
DG-Class
6.1
Risk Code
R21; R25; R26; R34; R42/43; R45; R46; R48/23; R50/53; R60; R61; R8
Safety Label
O; T+; N

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