Specifications Name ： Methyl Nadic Anhydride (MNA) CAS No. ： 25134-21-8 Product No. ： A1002 Formula ： Properties ： Applications ： Mainly be used in epoxy curing agent. Features are as the below: 1) Low viscosity at room temperature, small moisture absorption, can be used at low temperature and long stored; 2) Mixing with epoxy resins, it has a long working life, slow curing speed and low exotherm. 3) Small usage amount ， the cured product has excellent heat-resistance and hardness, curing shrinkage rate is small; 4) The cured product has high temperature resistance, aging resistance and excellent chemical resistance. Packaging: 25kg/barrel, 220kg/drum. Storage: This product shall be tightly closed, out of the sun, moisture-proof and away from ignition source. The storage period is one year. Molecular formula C 10 H 10 O 3 Chemical structure O O O Molecular weight 178.18 Items Index Appearance Light yellow clear liquid Content ,% ≥98.0 Viscosity (25 °C ), mpa.s 170-300 Freezing point , °C ≤-15 °C Density （ 20 °C） 1.20-1.25