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copper chromate

copper chromate Suppliers list
Company Name: Shaanxi Didu New Materials Co. Ltd
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Products Intro: Product Name:Formalin;copper(II) chromate
CAS:13548-42-0
Purity:0.99 Package:25KG,200L
Company Name: Otto Chemie Pvt. Ltd.  
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Products Intro: Product Name:Copper chromate
CAS:13548-42-0
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copper chromate Basic information
Product Name:copper chromate
Synonyms:COPPER(II)CHROMATE(VI);Chromic acid (H2CrO4), copper(2+) salt (1:1)
CAS:13548-42-0
MF:CrCuH2O4
MW:181.55
EINECS:236-922-7
Product Categories:
Mol File:13548-42-0.mol
copper chromate Structure
copper chromate Chemical Properties
Melting point decomposes at 400℃ [KIR78]
solubility insoluble in H2O; soluble in ethanol
form red-brown crystals
color red-brown crystals, crystalline
Water Solubility mol/L solution H2O: 0.0020 (25°C); solid phase, CuCrO4 ·H2O [KRU93]
EPA Substance Registry SystemChromic acid (H2CrO4), copper(2+) salt (1:1) (13548-42-0)
Safety Information
MSDS Information
copper chromate Usage And Synthesis
Chemical Propertiesreddish brown; used as a fungicide, to weatherproof textiles, in epoxy adhesives, and to preserve wood [KIR78]
Physical propertiesThe neutral form is a reddish-brown crystalline solid; decomposes slowly to copper(II) chromite when heated above 400°C; insoluble in water; soluble in acids.
The basic chromates are crystals having colors that vary from yellow to chocolate-brown to lilac, depending on their compositions and chromate to hydroxide molar ratios. They lose water when heated at 260°C, are insoluble in water, and are soluble in nitric acid.
usesIt is used in wood preservation and in textile weatherproofing.
PreparationCopper(II) chromate(VI) is a red or reddish-brown, crystalline material prepared by the careful heating of a mixture of copper(II) oxide and chromium(VI) oxide or by reaction of copper(II) oxide with solutions of chromic acid.
copper chromate Preparation Products And Raw materials
Raw materialsSodium chromate tetrahydrate-->Chromium(VI) oxide-->cupric carbonate
Tag:copper chromate(13548-42-0) Related Product Information

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