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| | 2,3-Dimethylmaleic anhydride Basic information |
| Product Name: | 2,3-Dimethylmaleic anhydride | | Synonyms: | 3,4-dimethyl-2,5-furanedione;3,4-dimethyl-5-furandione;alpha,beta-Dimethylmaleic anhydride;2,3-Dimethylmaleic anhydride,97%;2,3-Dimethylmaleic anhydride ,96%;TwoMethyl Maleic anhydride;2,3-DiMethylMaleic anhydride 98%;3,4-Dimethylfuran-2,5-dione, 2,5-Dihydro-3,4-dimethyl-2,5-dioxofuran | | CAS: | 766-39-2 | | MF: | C6H6O3 | | MW: | 126.11 | | EINECS: | 212-165-8 | | Product Categories: | Heterocycles series;Carbonyl Compounds;Carboxylic Acid Anhydrides;Organic Building Blocks | | Mol File: | 766-39-2.mol |  |
| | 2,3-Dimethylmaleic anhydride Chemical Properties |
| Melting point | 93-96 °C (lit.) | | Boiling point | 223 °C (lit.) | | density | 1.107 g/cm3 (100℃) | | refractive index | 1.5627 (estimate) | | Fp | 222-223°C | | storage temp. | Store below +30°C. | | solubility | Chloroform (Slightly), Ethyl Acetate (Slightly) | | form | Solid | | color | White to Off-White | | Water Solubility | Soluble in ethanol, ether and chloroform. Slightly soluble in water. | | Sensitive | Moisture Sensitive | | BRN | 112044 | | LogP | 0.183 (est) | | CAS DataBase Reference | 766-39-2(CAS DataBase Reference) | | NIST Chemistry Reference | 2,5-Furandione, 3,4-dimethyl-(766-39-2) | | EPA Substance Registry System | 2,5-Furandione, 3,4-dimethyl- (766-39-2) |
| | 2,3-Dimethylmaleic anhydride Usage And Synthesis |
| Chemical Properties | white to beige crystals or cryst. powder | | Uses | 2,3-Dimethylmaleic anhydride can be usually used in the synthesis of maleimides and as an amino group protecting agent for superoxide dismutase. It is also used in the preparation of dimethylmaleic acid dimethyl ester. Further, it serves as a reactant in the dissociation of ribosomal proteins. In addition to this, The isolated molecule 2, 3-dimethylmaleic anhydride showed potent insecticidal activity in fumigation bioassay against several insect species, viz., adults of houseflies, cockroaches and stored-product insects. | | Definition | ChEBI: 2,3-Dimethylmaleic anhydride is a butenolide. It is a 5-membered cyclic anhydride with a double bond between carbon atoms C2 and C3. The double bond locks the molecule in a planar conformation and stabilizes the acid anhydride against hydration. It was used as linker to a cell penetrating peptidebased nanoparticle. | | Safety Profile | Questionable
carcinogen with experimental tumorigenic
data. When heated to decomposition it
emits acrid smoke and irritating fumes. See
also ANHYDRIDES.
| | Purification Methods | Distil the anhydride from *benzene/ligroin and sublime in a vacuum. [Beilstein 17/11 V 69.] |
| | 2,3-Dimethylmaleic anhydride Preparation Products And Raw materials |
| Raw materials | 2-Butenedioyl dichloride, 2,3-dimethyl-, (E)- (9CI)-->2-Butenedioic acid, 2,3-dimethyl-, 1,4-dimethyl ester, (2E)--->1H-Pyrrole-2,5-dione, 3,4-dimethyl-1-(2-pyridinyl)--->1H-Pyrrole-2,5-dione, 3,4-dimethyl-1-(4-methylphenyl)--->2-Anilinopyridine-->3,6,9,12-tetraoxatridecylamine | | Preparation Products | THIOPHENE-3,4-DICARBOXYLIC ACID-->2,5-Furandione, 3-(hydroxymethyl)-4-methyl- (9CI) |
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