3118-97-6
| Name | SUDAN II |
| CAS | 3118-97-6 |
| EINECS(EC#) | 221-490-4 |
| Molecular Formula | C18H16N2O |
| MDL Number | MFCD00003896 |
| Molecular Weight | 276.33 |
| MOL File | 3118-97-6.mol |
Chemical Properties
| Appearance | Red to orange-brownish powder |
| Melting point | 156-158 °C(lit.) |
| Boiling point | 419.24°C (rough estimate) |
| density | 1.1318 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.5800 (estimate) |
| Fp | 231.6° |
| storage temp. | Hygroscopic, Refrigerator, Under inert atmosphere |
| solubility | Chloroform (Slightly), DMSO (Slightly, Heated, Sonicated), Ethyl Acetate (Slight |
| Colour Index | 12140 |
| form | Powder |
| pka | 13.52±0.50(Predicted) |
| color | Red to orange-brownish |
| Water Solubility | 54.45μg/L at 25℃ |
| ε(extinction coefficient) | ≥14000 at 491-497nm in methanol at 0.005g/L ≥9000 at 419-425nm in methanol at 0.005g/L |
| λmax | 493 nm 604 nm (2nd) |
| Stability: | Hygroscopic |
| Major Application | diagnostic assay manufacturing hematology histology |
| InChI | 1S/C18H16N2O/c1-12-7-9-16(13(2)11-12)19-20-18-15-6-4-3-5-14(15)8-10-17(18)21/h3-11,21H,1-2H3/b20-19+ |
Safety Data
| Symbol(GHS) |   GHS07,GHS08 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335-H351 |
| Precautionary statements | P201-P261-P280-P305+P351+P338-P405-P501a |
| Hazard Codes | Xi |
| Risk Statements | |
| Safety Statements | |
| WGK Germany | 3 |
| RTECS | QL5850000 |
| TSCA | Yes |
| REACH Registrations | Inactive |
| HS Code | 32129000 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 Skin Sens. 1 |
| Safety Profile | |
| Hazardous Substances Data | 3118-97-6(Hazardous Substances Data) |