762-42-5
| Name | Dimethyl acetylenedicarboxylate |
| CAS | 762-42-5 |
| EINECS(EC#) | 212-098-4 |
| Molecular Formula | C6H6O4 |
| MDL Number | MFCD00008456 |
| Molecular Weight | 142.11 |
| MOL File | 762-42-5.mol |
Chemical Properties
| Appearance | clear colorless to light yellow liquid |
| Melting point | -18 °C |
| Boiling point | 95-98 °C/19 mmHg (lit.) |
| density | 1.156 g/mL at 25 °C(lit.) |
| refractive index | n |
| Fp | 187 °F |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | Liquid |
| color | Colorless to pale yellow |
| Water Solubility | Soluble in most organic solvents. Insoluble in water. |
| Sensitive | Light Sensitive |
| Detection Methods | GC,NMR |
| BRN | 607063 |
| InChI | 1S/C6H6O4/c1-9-5(7)3-4-6(8)10-2/h1-2H3 |
| InChIKey | VHILMKFSCRWWIJ-UHFFFAOYSA-N |
| SMILES | COC(=O)C#CC(=O)OC |
| CAS DataBase Reference | 762-42-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Butynedioic acid, dimethyl ester(762-42-5) |
| EPA Substance Registry System | 762-42-5(EPA Substance) |
Safety Data
| Symbol(GHS) |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302-H314 |
| Precautionary statements | P270-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | C |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| RTECS | ES0175000 |
| F | 8-19 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 29171990 |
| Storage Class | 8A - Combustible corrosive hazardous materials |
| Hazard Classifications | Acute Tox. 4 Oral Eye Dam. 1 Skin Corr. 1B |