Strontium chromate

Strontium chromate
Names
	Other names C.I. Pigment Yellow 32; C.I. 77839
Identifiers
CAS Number	7789-06-2 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.029.220
EC Number	232-142-6;
PubChem CID	24599;
RTECS number	GB3240000;
UNII	2W214M3GS2 ;
CompTox Dashboard (EPA)	DTXSID70872832 ;
	InChI InChI=1S/Cr.4O.Sr/q;;;2*-1;+2 Key: NVKTUNLPFJHLCG-UHFFFAOYSA-N;
	SMILES [O-][Cr](=O)(=O)[O-].[Sr+2];
Properties
Chemical formula	SrCrO4
Molar mass	203.614 g/mol
Appearance	yellow powder
Density	3.353 g/cm3
Solubility in water	0.12 g/100 mL (15 °C) ; 3 g/100 mL (100 °C)
Solubility	Soluble in dilute acids and ammonia
Magnetic susceptibility (χ)	−5.1·10−6 cm3/mol
Structure
Crystal structure	monoclinic
Hazards
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	3118 mg/kg (rat, oral)
Related compounds
Other cations	Magnesium chromate ; Barium chromate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Strontium chromate is a chemical compound, with the formula SrCrO₄.[1]

Preparation

Strontium chromate is prepared from the reaction of strontium chloride with sodium chromate, or from a reaction between strontium carbonate with sodium dichromate.

Corrosion inhibitor in pigments
In electrochemical processes to control sulphate concentration of solutions
Colorant in polyvinyl chloride resins
Pyrotechnics
Aluminum flake coatings
As an anti-corrosive primer for zinc, magnesium, aluminum, and alloys used in aircraft manufacture.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.