Shandong Chuanjun Chemical Co., Ltd.

Chromium oxide green

• Category :

  Catalyst and Auxiliary

• Synonyms :

  C.I. 77288;C.I. Pigment Green 17;Dichromium trioxide [BAN];Chromic oxide;Chromium (III) oxide hydrate;dichromium trioxide;Chromium(III) oxide;Chromium (III) oxide;Chromiumoxidegreenpowder;Chromiumoxidehydrategreenpowder;CHROMIUM OXIDE GREEN;Chrome Oxide Green;trioxochromium;dichromic oxygen(-2) anion;oxo-(oxochromiooxy)chromium;Chromic(Ⅲ) oxide;

• CAS NO :

  1308-38-9

• EC NO :

  215-160-9

• Molecular Formula :

  Cr₂O₃

• Molecular Weight :

  151.9904

• Main Specifications :

• InChI :

  InChI=1/2Cr.3O/rCr2O3/c3-1-5-2-4

• Product description :

  Another name:Chrome oxide green
  Molecular formula: Cr2O3
  Molecular weight: 151.99
  Properties and features: Green crystal powder, metal luster, magnetic, specific gravity is 5.21.melting point is 2266℃,boiling point is 4000℃. good covering strength, high-temperature-resisting and sunlight fastness. Not soluble in water, barely soluble in acids, comparatively stable in air, unaffected by acids and alkalis of common density, sulfur dioxide, sulfur hydrogen etc. Chrome oxide green common type enjoys excellent quality and firmness.

  Quality standard

  Dyestuff grades				Metallurgy grades
  Item	Index			Item	Index
  	Premium grades		First grade
  (Cr2O3)content	99.00		99.00	Cr2O3 content	≥98.50
  shade	Standard or as your requirement			Fe2O3	< 0.030
  Tinting strength	95.00	95.00		P	< 0.001
  Oil absorption	25.00	25.00		Co	< 0.001
  covering power	15.00	15.00		Mn	< 0.001
  residue on sieve%	0.50	0.50		Cu	< 0.001
  moisture content%	0.30	0.50		Ni	< 0.001
  solvend	asCr+6 5PPM	0.10		Pb	< 0.001
  Water soluble matte %	0.30	0.30		--	--

  Use: In smelting of metal chrome, as coloring agent of chrome carbide, enamel, glass, artificial leather, as organic synthetic catalyst, in making of sunlight fastness coatings, making of polishing ointment and abrasive etc.

  Package: Plastic weaved bag, lined with PE bag, and 25KG or 40KG weight.

   

• Molecular Structure :