Methyltetrahydrophthalic Anhydride
Product Description
| Product | Methyltetrahydrophthalic Anhydride |
| CAS | 11070-44-3 |
| Formula | C9H10O3 |
| Synonym | MTHPA, 1,3-isobenzofurandione, tetrahydromethyl, 1,2,3,6-Tetrahydromethylphthalic anhydride, 1,3-Isobenzofurandione, tetrahydromethyl- |
Typical Product Specifications
| Viscosity | 58.0 mPa.s |
| Refractive Index | 1.495 |
| Vapor Pressure | 2.0 mPa.s |
| Specific gravity | 1.197 g/ml |
| Appearance | clear liquid |
| Purity | 99.0 % min |
| Colour | 80 Hazen max |
| Acid Content | 0.5 % max |
| Pour point | -40 C |
| Chemical Structure | ![]() |
| Notes | Used as a curing agent for epoxy resins, used for Casting/Potting, Impregnation, and Lamination. |
| Class | Specialty Chemicals |
| Function | Resins |
| Industry | Resin & Coating, Specialty Chemicals |

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