Chromium(VI) oxide
1333-82-0 Basic informationMore
- Product Name:Chromium(VI) oxide
- Synonyms: CHROMIUM(VI) OXIDE SCALES Chromium(VI) oxide, ReagentPlus 99.9% metals basis ChromiumTrioxideGr CHROMIUM OXIDE See CHROMIUM TRIOXIDE Chromium(Ⅵ)oxid Anidride cromica anidridecromica anidridecromica[qr]
- CAS:1333-82-0
- MF:CrO3
- MW:99.99
- EINECS:215-607-8
- Mol File:1333-82-0.mol
-
USE
Chromium(VI) oxide is prepared by heating sodium dichromate dihydrate with a slight excess of sulfuric acid in a steel tank or cast iron container:
Na2Cr2O7 + 2H2SO4 → 2CrO3 + 2NaHSO4 + H2O
The temperature of the mixture is kept above the melting point of chromium(VI) oxide to evaporate water and separate the top layer of sodium bisulfate from the molten chromium(VI) oxide at the bottom. Temperature control and duration of heating is very crucial in the process. Temperatures over 197°C (melting point), or allowing the molten mass to stand for a longer time, may result in decomposition of the product.
Lastest Price from Chromium(VI) oxide manufacturers
- Chromium(VI) oxide
-
- US $1.00 /kg
- CAS:1333-82-0
- Min. Order: 1kg
- Purity: 0.99
- Supply Ability: 5000 Ton
- 2024-02-27
- Chromium(VI) oxide
-
- US $10.00 /kg
- CAS:1333-82-0
- Min. Order: 1kg
- Purity: 99.99%
- Supply Ability: 50000tons
- 2023-09-07
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- Company Name:JI Nan Li Yang Hua Gong
- Tel:0531-18866405560 18866405560
- Products Intro:Product Name:chromium trioxide
CAS:1333-82-0
Purity:99.7% Package:50kg/桶 - CB Index:58
- Related Information:Catalog(441)
- Company Name:jinan Liyang Chemical Co., Ltd
- Tel:0531-0531-82370399 18765887256
- Products Intro:Product Name:chromium trioxide
CAS:1333-82-0
Purity:99.7 Package:50kg/RMB 22 - CB Index:58
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- Company Name:Jinan Trands Chemical Co. LTD
- Tel:0531-88770911 15154153272
- Products Intro:Product Name:chromium trioxide
CAS:1333-82-0
Purity:99.5% Package:50kg/桶/RMB 24;50kg/桶50kg/桶 - CB Index:58
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- Company Name:WUHAN JIXINYIBANG BIOTECHNOLOGY .,LTD
- Tel: 13297943853
- Products Intro:Product Name:Chromium(VI) oxide
CAS:1333-82-0
Purity:99% Package:1kg/RMB 18 - CB Index:58
- Related Information:Catalog(5000)
- Company Name:Meryer (Shanghai) Chemical Technology Co., Ltd.
- Tel:4006608290; 18621169109
- Products Intro:Product Name:ChroMic acid
CAS:1333-82-0
Purity:99% Package:500g Remarks:AAA125269 More... - CB Index:62
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