10588-01-9

Product Name: SODIUM DICHROMATE

Formula: Cr2Na2O7

Inquiry

CHEMICAL AND PHYSICAL PROPERTIES COMPUTED DESCRIPTORS PRODUCT INTRODUCTION RELATED SUPPLIERS

CHEMICAL AND PHYSICAL PROPERTIES

Physical Description	Sodium dichromate appears as a red or red-orange crystalline solid. May be strongly irritating to skin, eyes and mucous membranes. Used as a corrosion inhibitor, and in the manufacture of other chemicals.
Color/Form	Light-brown to orange-red plates which are strongly hygroscopic
Odor	Odorless
Boiling Point	400 °C (decomposes)
Melting Point	675 °F (USCG, 1999)
Solubility	Solubility in water: 77.09 wt% at 40 °C; 82.04 wt% at 60 °C; 88.39 wt% at 80 °C
Density	2.35 at 77 °F (USCG, 1999) - Denser than water; will sink
Stability/Shelf Life	Stable under recommended storage conditions. /Sodium Dichromate Dihydrate/
Autoignition Temperature	Not flammable (USCG, 1999)
Decomposition	Decomposition at about 400 °C
Corrosivity	Corrosive because of oxidizing potency. /Chromate salts/
pH	Solutions are acidic, pH of 1% soln 4.0 and pH of 10% soln 3.5.
Other Experimental Properties	Becomes anhydrous on prolonged heating at about 100 °C
Chemical Classes	Metals -> Chromium Compounds, Inorganic

COMPUTED DESCRIPTORS

Molecular Weight	261.97 g/mol
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	0
Exact Mass	261.824950 g/mol
Monoisotopic Mass	261.824950 g/mol
Topological Polar Surface Area	124 Å²
Heavy Atom Count	11
Formal Charge	0
Complexity	194
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
Covalently-Bonded Unit Count	3
Compound Is Canonicalized	Yes

PRODUCT INTRODUCTION

description

Sodium dichromate appears as a red or red-orange crystalline solid. May be strongly irritating to skin, eyes and mucous membranes. Used as a corrosion inhibitor, and in the manufacture of other chemicals.