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Cyclobutane-1,2,3,4-tetracarboxylic dianhydride CAS 4415-87-6

Introductiontetrahydrocyclobuta[1,2-c:3,4-c ‘]difuran-1 (Tetrahydrocyclobuta[1,2-c:3,4-c’]difur

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Innehåll

Introduction

tetrahydrocyclobuta[1,2-c:3,4-c ‘]difuran-1 (Tetrahydrocyclobuta[1,2-c:3,4-c’]difuran-1) is an organic compound with the chemical formula C8H4O6.

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.

Nametetrahydrocyclobuta[1,2-c:3,4-c’]difuran-1,3,4,6-tetraone
SynonymsCBDA
Cyclobutane-1,2,3,4-tetracarboxylic dianhydride
1,2,3,4-cyclobutanetetra-carboxylic acid dianhydride

Fysisk-kemiska egenskaper

Molecular FormulaC8H4O6
Molarmassa196.11
Täthet1.823g/cm3
Melting Point>300℃
Boling Point545.3°C at 760 mmHg
Blixtpunkt253.7°C
Vapor Presure6.02E-12mmHg at 25°C
Lagringstillstånd2-8℃
Refractive Index1.598
MDLMFCD00004944

Risk and Safety

Hazard SymbolsXi – Irritant
Risk CodesR36/37/38 – Irritating to eyes, respiratory system and skin.
Safety DescriptionS26 – 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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