Methyl-5-norbornene-2,3-dicarboxylic anhydride

Synonym(s):Epon MNA substitute;Methyl nadic anhydride;Methyl-5-norbornene-2,3-dicarboxylic anhydride;Methylnorbornene-2,3-dicarboxylic acid anhydride;MNA

CAS NO.：25134-21-8
Empirical Formula: C10H10O3
Molecular Weight: 178.18
MDL number: MFCD00167036
EINECS: 246-644-8
SAFETY DATA SHEET (SDS)
Update Date: 2024-08-21 22:41:43

Methyl-5-norbornene-2,3-dicarboxylic anhydride Structural

What is Methyl-5-norbornene-2,3-dicarboxylic anhydride?

Chemical properties

clear light yellow oily liquid

The Uses of Methyl-5-norbornene-2,3-dicarboxylic anhydride

Methyl-5-norbornene-2,3-dicarboxylic anhydride is used as a curing agent in epoxy resins and in the preparation of vertically aligned and penetrated carbon nanotube/polymer film. It serves as an intermediate in polyesters, alkyd resins and plasticizers. It is also used in electrical laminating and filament-winding. Further, it is used in the preparation of methyl nadimides endcapped resins based on tris(3-aminophenyl)phosphine oxide. It is utilized in the flame retarding treatment.

General Description

additional information see 45359 Epoxy Embedding Medium kit

Flammability and Explosibility

Non flammable

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.]

Properties of Methyl-5-norbornene-2,3-dicarboxylic anhydride

Boiling point:	140°C (10 mmHg)
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.)
Flash point:	>230 °F
storage temp.	room temp
solubility	Miscible with acetone, benzene, naphtha and xylene.
form	Oily Liquid
pka	4.42[at 20 ℃]
color	Clear light yellow
Water Solubility	REACTS
Sensitive	Moisture Sensitive
BRN	162395
CAS DataBase Reference	25134-21-8(CAS DataBase Reference)
NIST Chemistry Reference	4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-(25134-21-8)
EPA Substance Registry System	4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aR,4S,7R,7aS)-rel- (25134-21-8)

Safety information for Methyl-5-norbornene-2,3-dicarboxylic anhydride

Signal word	Danger
Pictogram(s)	Corrosion Corrosives GHS05 Exclamation Mark Irritant GHS07 Health Hazard GHS08
GHS Hazard Statements	H302:Acute toxicity,oral H314:Skin corrosion/irritation H317:Sensitisation, Skin H334:Sensitisation, respiratory
Precautionary Statement Codes	P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.