Methylhexahydrophthalic Anhydride

Product Description
Product | Methylhexahydrophthalic Anhydride |
CAS | 25550-51-0 |
Formula | C9H12O3 |
Synonym | MHHPA, 5-methyl-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione, 5-Methylhexahydrophthalic anhydride, 1,3-Isobenzofurandione, hexahydromethyl- |
Typical Product Specifications
Appearence | Clear liquid |
Free Acid | 0.5 % max |
Refractive Index | 1.479 Nd at 25C |
Pour point | -40C |
Freezing Point | -30C |
Boiling Point | 290C |
Color | 20 Max APHA |
Viscosity | 50-70 mPa.s at 25C |
Purity | 99.5% min |
Iodine Value | 1.0 Max |
Neutralization Value | 660 |
Molecular weight | 168.20 |
Flash Point | (oc) 160 c |
Chemical Structure | ![]() |
Notes | Used in LED's, Electronics, Automotive Clear Coats, and Outdoor High Voltage Castings and Composites. |
Class | Specialty Chemicals |
Function | Resins |
Industry | Resin & Coating, Electronics, Specialty Chemicals |

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