PRODUCT Properties
| Melting point: | -109.95°C (estimate) |
| Boiling point: | 109-112 °C(lit.) |
| Density | 0.841 g/mL at 25 °C(lit.) |
| refractive index | n |
| FEMA | 3304 | 3-METHYL-2-BUTANETHIOL |
| Flash point: | 60 °F |
| pka | 10.85±0.10(Predicted) |
| form | liquid (estimate) |
| color | Colorless to Almost colorless |
| Odor | at 0.10 % in propylene glycol. repulsive beefy meaty |
| Odor Type | sulfurous |
| biological source | synthetic |
| Sensitive | Air Sensitive |
| JECFA Number | 517 |
| LogP | 2.47 |
| CAS DataBase Reference | 2084-18-6(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Butanethiol, 3-methyl-(2084-18-6) |
| EPA Substance Registry System | 2-Butanethiol, 3-methyl- (2084-18-6) |
Description and Uses
3-Methyl-2-butanethiol has a repulsive, characteristic mercaptanlike odor. Prepared from isoamyl chloride and potassium sulfhydrate; also the corresponding sodium salt can be prepared from diisopentyl-disulfide and sodium metal in liquid ammonia.
Polymerization modifier, insecticide intermediate, vulcanization accelerator intermediate, nonionic surface-active agent.
Safety
| Symbol(GHS) |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H302-H332-H335-H315-H319-H225 |
| Precautionary statements | P261-P280g-P305+P351+P338-P403+P233-P210-P233-P240-P241+P242+P243-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P370+P378-P403+P235-P501 |
| Hazard Codes | F |
| Risk Statements | 11 |
| Safety Statements | 16-33-36-24/25 |
| RIDADR | UN 3336 3/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29309090 |
