| Identification | More | [Name]
3-Methyl-2-butanethiol | [CAS]
2084-18-6 | [Synonyms]
3-METHYL-2-BUTANETHIOL
3-METHYLBUTANE-2-THIOL
FEMA 3304
SEC-ISOAMYLMERCAPTAN
1,2-Dimethylpropyl hydrosulfide
2-butanethiol,3-methyl-
3-methyl-2-Butanethio
3-METHYL-2-BUTANETHIOL 98+%
2-Methyl-3-butanethiol | [EINECS(EC#)]
218-223-9 | [Molecular Formula]
C5H12S | [MDL Number]
MFCD00039648 | [Molecular Weight]
104.21 | [MOL File]
2084-18-6.mol |
| Chemical Properties | Back Directory | [Melting point ]
-109.95°C (estimate) | [Boiling point ]
109-112 °C(lit.) | [density ]
0.841 g/mL at 25 °C(lit.)
| [FEMA ]
3304 | [refractive index ]
n20/D 1.444(lit.)
| [Fp ]
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 | [Odor Type]
sulfurous | [Sensitive ]
Air Sensitive | [JECFA Number]
517 | [LogP]
2.47 | [Uses]
Polymerization modifier, insecticide intermediate, vulcanization accelerator intermediate, nonionic surface-active agent. | [CAS DataBase Reference]
2084-18-6(CAS DataBase Reference) | [NIST Chemistry Reference]
2-Butanethiol, 3-methyl-(2084-18-6) | [EPA Substance Registry System]
2084-18-6(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
F | [Risk Statements ]
R11:Highly Flammable. | [Safety Statements ]
S16:Keep away from sources of ignition-No smoking .
S33:Take precautionary measures against static discharges .
S36:Wear suitable protective clothing . | [RIDADR ]
UN 3336 3/PG 2
| [WGK Germany ]
3
| [TSCA ]
Yes | [HazardClass ]
3 | [PackingGroup ]
II | [HS Code ]
29309090 |
| Hazard Information | Back Directory | [Hazard]
Flammable, dangerous fire risk. | [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]
3-Methyl-1-butanethiol has a repulsive, characteristic mercaptan-like odor. | [Chemical Properties]
Colorless liquid; offensive odor.Insoluble in water; soluble in organic solvents. | [Occurrence]
Reported found in cooked beef. | [Definition]
ChEBI: 3-Methyl-2-butanethiol is an alkanethiol. | [Preparation]
From isoamyl chloride and potassium sulfhydrate; also, the corresponding sodium salt can be prepared from diisopentyldisulfide and sodium metal in liquid ammonia. |
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