The 3-Methylhexahydrophthalic anhydride is an organic compound with the formula C₉H₁₂O₃. The IUPAC name of this chemical is 4-methyl-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione. With the CAS registry number 57110-29-9, it is also named as Hexahydro-4-methyl-1,3-isobenzofurandione.

Physical properties about 3-Methylhexahydrophthalic anhydride are: (1)ACD/LogP: 0.73; (2)ACD/LogD (pH 5.5): 0.73; (3)ACD/LogD (pH 7.4): 0.73; (4)ACD/BCF (pH 5.5): 2.13; (5)ACD/BCF (pH 7.4): 2.13; (6)ACD/KOC (pH 5.5): 59.73; (7)ACD/KOC (pH 7.4): 59.73; (8)#H bond acceptors: 3; (9)Polar Surface Area: 43.37 Å²; (10)Index of Refraction: 1.485; (11)Molar Refractivity: 41.52 cm³; (12)Molar Volume: 144.7 cm³; (13)Polarizability: 16.46×10^-24cm³; (14)Surface Tension: 36.6 dyne/cm; (15)Density: 1.162 g/cm³; (16)Flash Point: 140 °C; (17)Enthalpy of Vaporization: 54.01 kJ/mol; (18)Boiling Point: 300 °C at 760 mmHg; (19)Vapour Pressure: 0.00115 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1OC(=O)C2C1C(CCC2)C
(2)InChI: InChI=1/C9H12O3/c1-5-3-2-4-6-7(5)9(11)12-8(6)10/h5-7H,2-4H2,1H3
(3)InChIKey: QXBYUPMEYVDXIQ-UHFFFAOYAT
(4)Std. InChI: InChI=1S/C9H12O3/c1-5-3-2-4-6-7(5)9(11)12-8(6)10/h5-7H,2-4H2,1H3
(5)Std. InChIKey: QXBYUPMEYVDXIQ-UHFFFAOYSA-N