Methyl-5-norbornene-2,3-dicarboxylic anhydride CAS 25134-21-8
Introduction：Basic information about Methyl-5-norbornene-2,3-dicarboxylic anhydride CAS 25134-21-8, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Methyl-5-norbornene-2,3-dicarboxylic anhydride 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;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)-;4,7-methanoisobenzofuran-1,3-dione,3a,4,7,7a-tetrahydromethyl-,(3aalpha,4al |
| CAS: | 25134-21-8 |
| MF: | C10H10O3 |
| MW: | 178.18 |
| EINECS: | 246-644-8 |
| Product Categories: | Organics;Norbornene Derivatives;A |
| Mol File: | 25134-21-8.mol |
Methyl-5-norbornene-2,3-dicarboxylic anhydride Chemical Properties
| 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 | n |
| Fp | >230 °F |
| storage temp. | room temp |
| solubility | Miscible with acetone, benzene, naphtha and xylene. |
| pka | 4.42[at 20 ℃] |
| form | Oily Liquid |
| color | Clear light yellow |
| biological source | synthetic |
| Water Solubility | REACTS |
| Sensitive | Moisture Sensitive |
| BRN | 162395 |
| Major Application | hematology histology |
| InChI | 1S/C10H10O3/c1-10-6-3-2-5(4-6)7(10)8(11)13-9(10)12/h2-3,5-7H,4H2,1H3/t5-,6+,7+,10+/m0/s1 |
| InChIKey | LTVUCOSIZFEASK-MPXCPUAZSA-N |
| SMILES | [H][C@]12C3CC(C(C)=C3)[C@@]1([H])C(=O)OC2=O |
| LogP | -4.01 at 20℃ |
| 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
| Hazard Codes | Xn,C |
| Risk 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 | TSCA listed |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29172000 |
| Storage Class | 8A - Combustible corrosive hazardous materials |
| Hazard Classifications | Acute Tox. 4 Oral Resp. Sens. 1 Skin Corr. 1C Skin Sens. 1 |
| Hazardous Substances Data | 25134-21-8(Hazardous Substances Data) |
| Toxicity | LD50 oral in rat: 914mg/kg |
| Chemical Properties | clear light yellow oily liquid |
| Uses | 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.] |
Methyl-5-norbornene-2,3-dicarboxylic anhydride Preparation Products And Raw materials
| Raw materials | Diethyl ether-->Benzene-->Hexane-->Lithium Aluminum Hydride-->p-Toluenesulfonic acid-->Maleic anhydride-->Dicyclopentadiene-->METHYLCYCLOPENTADIENE DIMER-->2-methylcyclopentenone |
