Methyl Nadic Anhydride (MNA), CAS 25134-21-8
Methyl Nadic Anhydride is a cyclic carboxylic acid anhydride used primarily in resin chemistry. It is also known as Nadic Methyl Anhydride, Methylnadic Anhydride, Methyl-5-Norbornene-2,3-Dicarboxylic Anhydride and Methyl-3,6-Endomethylenetetrahydrophthalic Anhydride. Commercial materials under CAS 25134-21-8 are commonly supplied as mixtures of isomers.
Chemical Name: Methyl-5-Norbornene-2,3-Dicarboxylic Anhydride
CAS No.: 25134-21-8
Common Names: Methyl Nadic Anhydride, Nadic Methyl Anhydride, Methylnadic Anhydride, MNA
Synonyms: Methyl-3,6-Endomethylenetetrahydrophthalic Anhydride, Methylbicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic Anhydride, Methendic Anhydride
Molecular Formula: C10H10O3
Molecular Weight: 178.19 g/mol
EC No.: 246-644-8
Chemical Type: Cyclic Carboxylic Acid Anhydride
Main Function: Epoxy Resin Curing Agent / Specialty Chemical Intermediate

Appearance: Lihgt yellow clear liquid
Purity: 98.0% min
Primarily used as a curing agent for epoxy resins.
Product Features:
① Low viscosity at room temperature and low hygroscopicity; suitable for low-temperature application and long-term storage.
② Long pot life when mixed with epoxy resin; slow curing rate with low heat generation.
③ Low dosage required; the cured product exhibits excellent heat resistance and hardness, with minimal curing shrinkage.
④ The cured product demonstrates excellent resistance to high temperatures, aging, and chemicals.
220kg/Barrel.
12000MT/year.
This product shall be airtight, out of the sun, moisture-proof and away from heat. The storage period is one year.
Hosea Chem supplies Methyl Nadic Anhydride (MNA), CAS 25134-21-8, also known as Nadic Methyl Anhydride, Methylnadic Anhydride and Methyl-5-Norbornene-2,3-Dicarboxylic Anhydride, for epoxy resin curing, electrical insulation, encapsulation and thermosetting resin applications.
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