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TANYUN Solid Rocket Composite Propellant


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Copper Chromite (II)

Executive standard: GJB2302-95
CAS NO. 12018-10-9
UN RN: 3143
English alias: Chromium copper oxide
Chinese alias:氧化铬铜

Product parameters

Executive standard: GJB 2302-95

Chinese alias: 氧化铬铜

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:

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:

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
Weight loss in burning (650), %(m/m) ≤4.0
Pass rate (by standard sieve of 120-mesh), % 100
Appearance Brown black powder

3. Application: The product has been used as a combustion catalyst of AP-based oxidizer in composite solid propellants.

4. Safety instructions: Toxic. Operation must be installed with synthetic rubber gloves and dust masks to prevent skin contact and dust inhalation.

5. Packing: Fireboard drums (Ф350×520) packed with aluminum foil bag. Net weight: 20 kg per bag.

6. Storage: Stored in a cool, ventilated place. Casks should be sealed with nitrogen. Avoid heat and exposure. The shelf life is 12 months after manufacturer date. It is still available if retest result is qualified after expire date.

7. Transportation: Avoid water and exposure during transportation.


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We have 5 R&D bases (Shanghai, Hangzhou, Suzhou, Yingkou, Shenzhen), hundreds of synthesis leading experts and PhDs in chemistry.

We own experienced R&D capability and rich experience in production, and provides you with a variety of organic chemicals, medical intermediates research, development, production, etc. on behalf of a range of high quality customized service.

As of 2015, We have developed over 60 kinds of custom chemicals for the customers, and 3 kind products, such as copper chromite dehydrogenation catalyst, have already consigned a usage in batch with customer sign-off. 2 invention patents have been applied. 6 kinds of customized products, such as efficient curing agent, have been applied in pilot trials and pilot production by customers.

More than 10 kinds of chemicals have been in R&D, such as nano-waterproof materials, oil additives and fine chemical intermediates.

TANYUN produces boron, ferrocene, solid propellant and more series of chemicals, all of which cannot be listed on the website. For more information about products and MSDS, please contact ty@tanyunchem.com. You can also consult related product customization and latest research and development information.