copper chromite used in preparation of caprolactam

  Product Description   Copper Chromite Executive standard: GJB 2302-95 English alias: Chromium copper oxide CAS RN: 12018-10-9 UN RN: 3143. 1. Physical and chemical properties: 1.1 Molecular formula: Cr2Cu2O5 1.2 Molecular Weight: 311.08 1.3 Structure formula:   1.4 Solubility: 0.5% in water 1.5 pH valve: 5-7 1.6 Stability and reactivity: Stable at room temperature and in the sealed container. 2. Technical indexes:

<Span style="line-height: 24px; font-family: 'Times New Roman'; color: #000000; font-weight: normal; font-style: normal; font-size: 12pt;">Item	Index
Total Cr +6 content(in Kr2Cr207),%(m/m)	19.5±1.0
Total Cu content(in CuO),%(m/m)	46.0±2.0
Moisture,%(m/m)	≤0.5
Weightlessness in burning (650℃),%(m/m)	≤4.0
Pass rate(by standard sieve of 120-mesh),%	100
Appearance	Brown black powder

3. Application: Copper chromite has been used as an efficient catalyst of organic reactions, such as hydrogenation, dehydration, cyclization, alkylation of organic compounds, the reaction of transforming aniline into diphenylamine, and preparation of caprolactam, etc. It could also be used as a catalyst on environmental protection of eliminating organic wastes and carbon monoxide from waste gas generated by engine. It has been used as an efficient burning rate catalyst of composite solid propellants in spaceflight and weapon industry.  4. Safety instructions: Toxic. Operation must be installed with Synthetic Rubber gloves and dust masks to prevent skin contact and dust inhalation.     www.tanyunchem.com    

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