3-Mercapto-2-butanone
- Product Name3-Mercapto-2-butanone
- CAS40789-98-8
- MFC4H8OS
- MW104.17
- EINECS255-082-2
- MOL File40789-98-8.mol
Chemical Properties
| Boiling point | 48-49 °C/15 mmHg (lit.) |
| Density | 1.035 g/mL at 25 °C (lit.) |
| FEMA | 3298 | 3-MERCAPTO-2-BUTANONE |
| refractive index | n20/D 1.4352 |
| Flash point | 117 °F |
| storage temp. | Refrigerator |
| pka | 8.38±0.10(Predicted) |
| form | clear liquid |
| color | Colorless to Light yellow |
| Specific Gravity | 1.015 |
| Odor | at 0.10 % in propylene glycol. sulfurous onion roasted gassy meaty |
| Odor Type | sulfurous |
| Sensitive | Light Sensitive |
| JECFA Number | 558 |
| LogP | 0.67 |
| CAS DataBase Reference | 40789-98-8(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Butanone, 3-mercapto-(40789-98-8) |
| EPA Substance Registry System | 2-Butanone, 3-mercapto- (40789-98-8) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 10-36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| RTECS | EL9050000 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29309090 |
