-
Name
Methyl tetrahydrophthalic anhydride
- EINECS 234-290-7;251-823-9
- CAS No. 19438-64-3
- Article Data5
- CAS DataBase
- Density 1.221 g/cm3
- Solubility
- Melting Point
- Formula C9H10O3
- Boiling Point 308.9 °C at 760 mmHg
- Molecular Weight 166.177
- Flash Point 146.8 °C
- Transport Information
- Appearance
- Safety
- Risk Codes
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Molecular Structure
- Hazard Symbols
- Synonyms 3-Cyclohexene-1,2-dicarboxylicanhydride, 4-methyl- (8CI);1,3-Isobenzofurandione,3a,4,5,7a-tetrahydro-6-methyl-;
- PSA 43.37000
- LogP 1.04230
Methyl tetrahydrophthalic anhydride Specification
The 1,3-Isobenzofurandione, 3a,4,5,7a-tetrahydro-6-methyl- is an organic compound with the formula C9H10O3. The systematic name of this product is 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione. With the CAS registry number 19438-64-3, it is also named as Tetrahydro-4-methylphthalic anhydride.
The 1,3-Isobenzofurandione, 3a,4,5,7a-tetrahydro-6-methyl- has characteristics of high purity, light color, low viscosity, good processing performance, long-term storage at room temperature, low freezing point, volatile small and low toxicity. It can be used as unsaturated polyester resin, epoxy resin curing agent, pesticide intermediates, casting dry-type transformers and so on.
The other characteristics of this product can be summarized as: (1)ACD/LogP: 0.67; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.67; (4)ACD/LogD (pH 7.4): 0.67; (5)ACD/BCF (pH 5.5): 1.9; (6)ACD/BCF (pH 7.4): 1.9; (7)ACD/KOC (pH 5.5): 55.19; (8)ACD/KOC (pH 7.4): 55.19; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Index of Refraction: 1.516; (13)Molar Refractivity: 41.12 cm3; (14)Molar Volume: 136 cm3; (15)Polarizability: 16.3×10-24 cm3; (16)Surface Tension: 39.9 dyne/cm; (17)Enthalpy of Vaporization: 54.96 kJ/mol; (18)Vapour Pressure: 0.000661 mmHg at 25°C.
People can use the following data to convert to the molecule structure.
1.SMILES: O=C1OC(=O)C2CCC(/C)=C\C12;
2.InChI: InChI=1/C9H10O3/c1-5-2-3-6-7(4-5)9(11)12-8(6)10/h4,6-7H,2-3H2,1H3.
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