51325-91-8
| Name | 4-(DICYANOMETHYLENE)-2-METHYL-6-(4-DIMETHYLAMINOSTYRYL)-4H-PYRAN |
| CAS | 51325-91-8 |
| EINECS(EC#) | 257-137-6 |
| Molecular Formula | C19H17N3O |
| MDL Number | MFCD00051341 |
| Molecular Weight | 303.36 |
| MOL File | 51325-91-8.mol |
Chemical Properties
| Appearance | red/brown crystals |
| Melting point | 215-220 °C(lit.) |
| Boiling point | 444.29°C (rough estimate) |
| density | 1.239 |
| refractive index | 1.5900 (estimate) |
| Fp | 110 °F |
| storage temp. | Flammables area |
| form | Powder or Crystalline Needles |
| pka | 5.46±0.24(Predicted) |
| color | Dark red |
| λmax | 468 nm |
| Merck | 14,2838 |
| InChI | InChI=1S/C19H17N3O/c1-14-10-16(17(12-20)13-21)11-19(23-14)9-6-15-4-7-18(8-5-15)22(2)3/h4-11H,1-3H3 |
| InChIKey | YLYPIBBGWLKELC-UHFFFAOYSA-N |
| SMILES | C(#N)/C(=C1/C=C(C)OC(C=CC2=CC=C(N(C)C)C=C2)=C/1)/C#N |
| EPA Substance Registry System | Propanedinitrile, [2-[2-[4-(dimethylamino)phenyl] ethenyl]-6-methyl-4H-pyran- 4-ylidene]-(51325-91-8) |
Safety Data
| Hazard Codes | F,Xn |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 3175 4.1/PG 2 |
| WGK Germany | 3 |
| RTECS | OO3746100 |
| TSCA | TSCA listed |
| HazardClass | 4.1 |
| PackingGroup | III |
| HS Code | 29329990 |
| Storage Class | 4.1B - Flammable solid hazardous materials |
| Hazard Classifications | Acute Tox. 4 Inhalation Eye Irrit. 2 Flam. Sol. 1 Skin Irrit. 2 STOT SE 3 |