CAS No.12018-22-3,CHROMIUM SULFIDE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	12018-22-3
Name:	CHROMIUM SULFIDE
Article Data:	23

Formula:	Cr₂S₃
Molecular Weight:	200.1872
Synonyms:	Dichromium trisulphide;Chromium sulfide;Chromium sulfide (Cr2S3);
EINECS:	234-638-8
Density:	3.77 g/cm³
Melting Point:	1350oC
Solubility:	Insoluble in water
Appearance:	Brown to black odorless powder
Hazard Symbols:	R20/21:Harmful by inhalation and in contact with skin.;
Risk Codes:	Xn:Harmful; "> Xn:Harmful;
Safety:	24/25
PSA:	89.48000
LogP:	1.94460

Total:25 Page 1 of 1 1

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Specification

The Chromium(+3) cation trisulfide, with its CAS registry number 120259-94-1, has the systematic name of chromium(3+) sulfide (2:3). With its molecular foumula of Cr₂S₃, it has the formula weight of 200.19. This is a kind of black powder and it is stable in room temperature but could react with nitric acid and aqua regia. When you are dealing with this chemical, you should avoid contacting with eyes and skin. In addition, when store it, you should keep it sealed in the cool, dry and well-ventilated place, and this chemical will not decompose if follow the using and storage specifications.

The characteristics of Chromium(+3) cation trisulfide are as follows: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 0.

When comes to its preparation way, you could follow the below steps. Firstly, mix the chromium and sulfuric acid with the molar ratio of 2:3, and then heat for one day in vacuo; Secondly, cool it down and smash it and then heat in vacuo, and then cool it down slowly; Thirdly, it should be placed at 300 °C and then cool it down to the room temperature; Lastly, you could get chromium(+3) cation trisulfide.

What's more, the following datas could be converted into the molecular structure:
(1)SMILES:[Cr+3].[Cr+3].[S-2].[S-2].[S-2]
(2)InChI:InChI=1/2Cr.3S/q2*+3;3*-2
(3)InChIKey:DBULDCSVZCUQIR-UHFFFAOYAW
(4)Std. InChI:InChI=1S/2Cr.3S/q2*+3;3*-2
(5)Std. InChIKey:DBULDCSVZCUQIR-UHFFFAOYSA-N