3-Methyl-2-butanethiol
- CAS NO.：2084-18-6
- Empirical Formula: C5H12S
- Molecular Weight: 104.21
- MDL number: MFCD00039648
- EINECS: 218-223-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-07-15 17:50:29
What is 3-Methyl-2-butanethiol?
Description
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.
Chemical properties
Colorless liquid; offensive odor.Insoluble in water; soluble in organic solvents.
Chemical properties
3-Methyl-1-butanethiol has a repulsive, characteristic mercaptan-like odor.
Occurrence
Reported found in cooked beef.
The Uses of 3-Methyl-2-butanethiol
Polymerization modifier, insecticide intermediate, vulcanization accelerator intermediate, nonionic surface-active agent.
Preparation
From isoamyl chloride and potassium sulfhydrate; also, the corresponding sodium salt can be prepared from diisopentyldisulfide and sodium metal in liquid ammonia.
Definition
ChEBI: 3-Methyl-2-butanethiol is an alkanethiol.
Hazard
Flammable, dangerous fire risk.
Properties of 3-Methyl-2-butanethiol
| 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 |
| form | liquid (estimate) |
| pka | 10.85±0.10(Predicted) |
| color | Colorless to Almost colorless |
| Odor | at 0.10 % in propylene glycol. repulsive beefy meaty |
| Sensitive | Air Sensitive |
| JECFA Number | 517 |
| 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) |
Safety information for 3-Methyl-2-butanethiol
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P370+P378:In case of fire: Use … for extinction. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for 3-Methyl-2-butanethiol
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