Description

Ethylene bis[1,3-dihydro-1,3-dioxoisobenzofuran-5-carboxylate] (CAS No. 1732-96-3) is a high-purity organic compound with the molecular formula C₂₀H₁₀O₁₀. This specialized chemical features a unique bis-ester structure derived from phthalic anhydride derivatives, making it valuable for advanced synthetic and material science applications. Its IUPAC name, 2-(1,3-dioxo-2-benzofuran-5-carbonyl)oxyethyl 1,3-dioxo-2-benzofuran-5-carboxylate, reflects its precise molecular architecture. The compound is characterized by its high thermal stability and reactivity as a bifunctional linker, ideal for polymer cross-linking, coordination chemistry, and as a precursor for functional materials. Available in >98% purity (HPLC), it is supplied as a fine white to off-white powder with strict quality control to ensure batch-to-batch consistency for research and industrial use. Store in a cool, dry place under inert conditions to maintain stability.

Properties

• CAS Number: 1732-96-3
• Complexity: 735
• IUPAC Name: 2-(1,3-dioxoisobenzofuran-5-carbonyl)oxyethyl 1,3-dioxoisobenzofuran-5-carboxylate
• InChI: InChI=1S/C20H10O10/c21-15(9-1-3-11-13(7-9)19(25)29-17(11)23)27-5-6-28-16(22)10-2-4-12-14(8-10)20(26)30-18(12)24/h1-4,7-8H,5-6H2
• InChI Key: XQBLBHYWXZNCJZ-UHFFFAOYSA-N
• Exact Mass: 410.02739651
• Molecular Formula: C20H10O10
• Molecular Weight: 410.3
• SMILES: C1=CC2=C(C=C1C(=O)OCCOC(=O)C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O
• Topological: 139
• Monoisotopic Mass: 410.02739651
• Synonyms: 1732-96-3, EINECS 217-062-1, Ethylene bis(1,3-dihydro-1,3-dioxoisobenzofuran-5-carboxylate), DTXSID40169549, ETHYLENE BIS[1,3-DIHYDRO-1,3-DIOXOISOBENZOFURAN-5-CARBOXYLATE], DTXCID9092040, 217-062-1, Ethane-1,2-diyl bis(1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylate), Ethane-1,2-diyl bis(1,3-dioxo-1,3-dihydroisobenzo-furan-5-carboxylate), 2-(1,3-dioxo-2-benzofuran-5-carbonyl)oxyethyl 1,3-dioxo-2-benzofuran-5-carboxylate, Ethylene glycol bis(4-trimellitate anhydride) (TMEG), 2-(1,3-dioxo-1,3-dihydro-2-benzofuran-5-carbonyloxy)ethyl 1,3-dioxo-1,3-dihydro-2-benzofuran-5-carboxylate, C20H10O10, XQBLBHYWXZNCJZ-UHFFFAOYSA-N, MFCD00082947, SCHEMBL940988, ETHYLENE GLYCOL BIS(4-TRIMELLITATE ANHYDRIDE), ethane-1,2-diylbis(1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylate), AKOS016004854, DS-3846, CS-0155759, NS00025682, A11484

Application

This compound serves as a versatile intermediate in polymer chemistry, enabling the synthesis of cross-linked polyesters and epoxy resins with enhanced thermal properties. Its bifunctional reactivity makes it suitable for creating coordination complexes in catalytic systems or metal-organic frameworks (MOFs). Researchers also utilize it in the development of high-performance adhesives and coatings due to its ability to form robust covalent networks.

Safety and Hazards

GHS Hazard Statements

• H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H318 (100%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H334 (100%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]

Precautionary Statements

• P233, P260, P261, P264+P265, P271, P272, P280, P284, P302+P352, P304+P340, P305+P354+P338, P317, P321, P333+P317, P342+P316, P362+P364, P403, and P501

Hazard Classes and Categories

• Skin Sens. 1A (100%)
• Eye Dam. 1 (100%)
• Resp. Sens. 1 (100%)

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