| Identification | More | [Name]
2-Methyl-1-butanethiol | [CAS]
1878-18-8 | [Synonyms]
2-METHYL-1-BUTANETHIOL
2-METHYLBUTANETHIOL
2-METHYLBUTYL MERCAPTAN
FEMA 3303
T-AMYLMERCAPTAN
2-methyl-1-butanethio
2-methyl-butane-1-thiol
CH3CH2CH(CH3)CH2SH
2-METHYL-1-BUTANETHIOL 95+%
1-Butanethiol, 2-methyl-
2-METHYL-1-BUTANETHIOL FEMA NO.--------
1-Mercapto-2-methylbutane | [EINECS(EC#)]
217-515-3 | [Molecular Formula]
C5H12S | [MDL Number]
MFCD00004883 | [Molecular Weight]
104.21 | [MOL File]
1878-18-8.mol |
| Chemical Properties | Back Directory | [Appearance]
clear colourless liquid | [Melting point ]
-109.95°C (estimate) | [Boiling point ]
116-117 °C(lit.) | [density ]
0.848 g/mL at 25 °C(lit.)
| [vapor pressure ]
41.4 mm Hg ( 37.7 °C)
| [FEMA ]
3303 | [refractive index ]
n20/D 1.447(lit.)
| [Fp ]
67 °F
| [storage temp. ]
Flammables area | [form ]
liquid (estimate) | [pka]
10.41±0.10(Predicted) | [color ]
Colorless to Almost colorless | [Odor]
at 0.10 % in propylene glycol. sulfurous meaty bloody | [Odor Type]
sulfurous | [Sensitive ]
Air Sensitive | [JECFA Number]
515 | [LogP]
2.66 | [CAS DataBase Reference]
1878-18-8(CAS DataBase Reference) | [NIST Chemistry Reference]
1-Butanethiol, 2-methyl-(1878-18-8) | [EPA Substance Registry System]
1878-18-8(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
F,Xi,Xn | [Risk Statements ]
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . | [Safety Statements ]
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S33:Take precautionary measures against static discharges .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection . | [RIDADR ]
UN 1111 3/PG 2
| [WGK Germany ]
3
| [TSCA ]
Yes | [HazardClass ]
3 | [PackingGroup ]
II | [HS Code ]
29309090 |
| Hazard Information | Back Directory | [Description]
Prepared from 2-methyl-1-butyl isothiourea picrate by conversion
to bis [(s)-2-methylbutyl] disulfide, followed by reduction to the
corresponding thiol, using sodium metal in liquid ammonia. | [Chemical Properties]
2-Methyl-1-butanethiol has a disagreeable odor. | [Chemical Properties]
clear colourless liquid | [Occurrence]
Reported as occurring in the petroleum fraction boiling between 111 and 150°C; also in cooked beef. | [Uses]
2-Methyl-1-butanethiol is a thiol with antiinflammatory properties. | [Definition]
ChEBI: 2-Methyl-1-butanethiol is an alkanethiol. | [Preparation]
From 2-methyl-1-butyl isothiourea picrate by conversion to bis [(s)-2-methylbutyl] disulfide, followed by reduction to the
corresponding thiol, using sodium metal in liquid ammonia. |
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