Adipic anhydride
Adipic anhydride
CAS: 2035-75-8
Molecular Formula: C6H8O3
Adipic anhydride - Names and Identifiers
| Name | Adipic anhydride |
| Synonyms | 2,7-oxepanedion ADIPIC ANHYDRIDE 2,7-oxepanedione Adipic anhydride 2,7-Oxepanedione Oxepane-2,7-dione Hexanedioic anhydride 3-propyloxetane-2,4-dione Hexahydrooxepin-2,7-dione Hexanedioic acid anhydride Butanedicarboxylic anhydride |
| CAS | 2035-75-8 |
| EINECS | 218-001-1 |
| InChI | InChI=1/C6H8O3/c1-2-3-4-5(7)9-6(4)8/h4H,2-3H2,1H3 |
Adipic anhydride - Physico-chemical Properties
| Molecular Formula | C6H8O3 |
| Molar Mass | 128.13 |
| Density | 1.183±0.06 g/cm3(Predicted) |
| Melting Point | 60-64 °C |
| Boling Point | 98～100℃/0.1mm |
| Flash Point | 58.1°C |
| Vapor Presure | 2.44mmHg at 25°C |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.456 |
Adipic anhydride - Reference
| Reference Show more | 1. [IF=7.514] Ting Zhang et al."Anhydride structures affect the acylation modification and emulsion stabilization ability of mammalian and fish gelatins."Food Chem. 2022 May;375:131882 |
Adipic anhydride - Introduction
Adipic anhydride (also known as adipate ester) is an organic compound. The following is an introduction to the properties, uses, preparation methods, and safety information of adipic anhydride:
Nature:
-Appearance: Adipic anhydride is a white odorless crystal, often in the form of flakes or scales.
-Solubility: Adipic anhydride is soluble in organic solvents such as ether and benzene, but insoluble in water.
-Chemical properties: Adipic anhydride is relatively stable at room temperature. It is an anhydride that can react with alcohols and amines, and can undergo esterification and acylation reactions.
Usage:
-Adipic anhydride is an important organic synthesis intermediate widely used in the preparation of polyester resins, plastics, coatings, solvents, softeners, and other products.
-It is widely used in fields such as paint industry, plastic industry, fiber industry, etc.
Method:
-The traditional method of preparing adipic anhydride is achieved by reacting adipic acid with anhydrous acetic acid. The reaction is usually carried out under the catalysis of a dehydrating agent.
-In recent years, some new green preparation methods have also been developed, such as microwave assisted synthesis, catalyst assisted synthesis, etc., to improve yield and reduce production costs.
Security information:
-Adipic anhydride is irritating to the skin and eyes, and may cause allergic reactions. During operation, appropriate personal protective equipment such as gloves, goggles, and protective clothing should be worn.
-After contact with succinic anhydride, immediately rinse the affected skin or eyes with plenty of water and seek medical advice.
Last Update：2024-04-28 11:10:14
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