Cyclobutane-1,2,3,4-tetracarboxylic dianhydride CAS 4415-87-6
Nature:
tetrahydrocyclobuta[1.2-c:3.4-c ′] difuran-1.3.4.6-tetraone is a solid compound, and the crystal form is a colorless crystal. It can be dissolved in methanol, ethanol and other solvents, insoluble in water. This compound has higher stability and lower volatility.
Use:
tetrahydrocyclobuta[1.2-c:3.4-c ‘]difuran-1.3.4.6-tetraone is mainly used as an important reagent and catalyst in organic synthesis. It can be used in the field of organic synthesis to produce compounds containing the tetrahydrocyclobuta[1.2-c:3.4-c ‘]difuran-1.3.4.6-tetraone, such as cyclobutanetetracarboxylic anhydride. It can also be used as an intermediate in the field of photosensitizers, chromogenic agents, dyes and pharmaceuticals.
Preparation Method:
tetrahydrocyclobuta[1.2-c:3.4-c ‘]difuran-1.3.4.6-tetraone can be prepared by the oxidation reaction of cyclobutanetetracarboxylic acid. First, cyclobutanetetracarboxylic acid is dissolved in an acidic condition, and then an oxidizing agent such as hydrogen peroxide, nitric acid, etc. is added to perform an oxidation reaction to obtain the tetrahydrocyclobuta[1.2-c:3.4-c ′] difuran-1.3.4.6-tetraone.
Safety Information:
tetrahydrocyclobuta[1.2-c:3.4-c ‘]difuran-1.3.4.6-tetraone currently has no public special security risk report. However, during handling and use, it is still necessary to take appropriate safety precautions, such as wearing appropriate protective gloves and goggles, and ensuring that the operation is carried out in a well-ventilated place. Avoid inhaling its dust or gas, avoid direct contact with the skin and ingestion. In case of any accident, the doctor’s help should be sought immediately.
Physico-chemical Properties
| Molecular Formula | C8H4O6 |
| Molar Mass | 196.11 |
| Density | 1.823g/cm3 |
| Melting Point | >300℃ |
| Boling Point | 545.3°C at 760 mmHg |
| Flash Point | 253.7°C |
| Vapor Presure | 6.02E-12mmHg at 25°C |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.598 |
| MDL | MFCD00004944 |
Risk and Safety
| Hazard Symbols | Xi – Irritant |
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. |
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