25134-21-8

Basic information

• Product Name: Methyl-5-norbornene-2,3-dicarboxylic anhydride
• Synonyms: NADIC METHYL ANHYDRIDE;NADIC(R) METHYL ANHYDRIDE;NADIC(TM) METHYL ANHYDRIDE;NMA;MNA;,7-methanoisobenzofuran-1,3-dione,3a,4,7,7a-tetrahydromethyl-;3-dione,3a,4,7,7a-tetrahydromethyl-7-methanoisobenzofuran-1;4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aalpha,4alpha,7alpha,7aalpha)-
• CAS NO: 25134-21-8
• Molecular Formula: C10H10O3
• Molecular Weight: 178.18
• EINECS: 246-644-8
• Product Categories: Norbornene Derivatives;Organics
• Mol File: 25134-21-8.mol

Chemical Properties

• Boiling Point: 140°C (10 mmHg)
• Flash Point: >230 °F
• Appearance: Clear light yellow/Oily Liquid
• Density: 1.232 g/mL at 25 °C(lit.)
• Vapor Density: 6.1 (20 °C, vs air)
• Vapor Pressure: 5 mm Hg ( 120 °C)
• Refractive Index: n20/D 1.506(lit.)
• Storage Temp.: room temp
• Solubility: Miscible with acetone, benzene, naphtha and xylene.
• PKA: 4.42[at 20 ℃]
• Water Solubility: REACTS
• Sensitive: Moisture Sensitive
• BRN: 162395
• CAS DataBase Reference: Methyl-5-norbornene-2,3-dicarboxylic anhydride(CAS DataBase Reference)
• NIST Chemistry Reference: Methyl-5-norbornene-2,3-dicarboxylic anhydride(25134-21-8)
• EPA Substance Registry System: Methyl-5-norbornene-2,3-dicarboxylic anhydride(25134-21-8)

Safety Data

• Hazard Codes: Xn,C
• Statements: 22-36/37/38-42-34
• Safety Statements: 39-45-36/37/39-26
• RIDADR: UN 3265 8/PG 2
• WGK Germany: 3
• RTECS: RB9100000
• TSCA: Yes
• HazardClass: 6.1
• PackingGroup: III
• Hazardous Substances Data: 25134-21-8(Hazardous Substances Data)

Usage

Uses

Used in Chemical Industry:
Methyl-5-norbornene-2,3-dicarboxylic anhydride is used as a curing agent for epoxy resins, which are essential components in the manufacturing of adhesives, coatings, and composite materials. Its ability to cure epoxy resins enhances the mechanical properties and durability of the final products.
Used in Material Science:
As an intermediate in the preparation of vertically aligned and penetrated carbon nanotube/polymer film, this anhydride contributes to the development of advanced materials with improved electrical and mechanical properties. These materials have potential applications in sensors, energy storage devices, and electronic components.
Used in Plastics and Coatings Industry:
Methyl-5-norbornene-2,3-dicarboxylic anhydride is used as an intermediate in the production of polyesters, alkyd resins, and plasticizers. These materials are crucial in the formulation of paints, coatings, and plastics, which are widely used in various industries, including automotive, construction, and packaging.
Used in Electrical Industry:
This anhydride is employed in electrical laminating and filament-winding processes, where it helps in the production of high-quality insulating materials and components for electrical equipment. Its use in these applications ensures the reliability and safety of electrical devices.
Used in Flame Retardancy:
Methyl-5-norbornene-2,3-dicarboxylic anhydride is utilized in the flame retarding treatment of materials, providing enhanced fire resistance and safety properties to various products, particularly in the construction and electronics industries.
Used in Advanced Composites:
It is also used in the preparation of methyl nadimides endcapped resins based on tris(3-aminophenyl)phosphine oxide, which are essential components in the development of advanced composite materials with improved thermal and mechanical properties. These composites find applications in aerospace, automotive, and sports equipment industries.

Flammability and Explosibility

Nonflammable

Purification Methods

Purify the anhydride by thin layer chromatography on Al2O3 (previously boiled in EtOAc) and eluted with hexane/*C6H6 (1:2) then recrystallise it from *C6H6/hexane. The free acid has m 118.5-119.5o. [Miranov et al. Tetrahedron 19 1939 1963, Beilstein 17/11 V 199.]

InChI:InChI=1/C10H10O3/c1-4-2-5-3-6(4)8-7(5)9(11)13-10(8)12/h2,5-8H,3H2,1H3