8.41502

2,3-Dimethylmaleic anhydride

for synthesis

• Synonym(s): 2,3-Dimethylmaleic anhydride, 3,4-Dimethyl-2,5-furandione
• Empirical Formula (Hill Notation): C₆H₆O₃
• CAS Number: 766-39-2
• Molecular Weight: 126.11
• UNSPSC Code: 12352115
• EC Index Number: 212-165-8
• NACRES: NA.22
• MDL number: MFCD00005523

Properties

• Quality Segment: 200
• assay: ≥98.0% (GC)
• form: crystals
• mp: 96 °C
• density: 1.107 g/cm³ at 100 °C
• storage temp.: 2-30°C
• SMILES string: [o]1[c](c(c([c]1=O)C)C)=O
• InChI: 1S/C6H6O3/c1-3-4(2)6(8)9-5(3)7/h1-2H3
• InChI key: MFGALGYVFGDXIX-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 92 °C
Melting range (upper value): ≤ 95 °C
Identity (IR): passes test

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H302
• pcodes: P264 - P270 - P301 + P312 - P501
• Hazard Classifications: Acute Tox. 4 Oral
• Storage Class: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable