| 2-Methyl-1-butanethiol Basic information |
| Product Name: | 2-Methyl-1-butanethiol |
| Synonyms: | 2-METHYL-1-BUTANETHIOL 95+%;1-Butanethiol, 2-methyl-;FEMA 3303;2-METHYL-1-BUTANETHIOL FEMA NO.--------;1-Mercapto-2-methylbutane;2-Methyl-1-butanethiol, 95% 25GR;2-methyl-1-butanethio;2-methyl-butane-1-thiol |
| CAS: | 1878-18-8 |
| MF: | C5H12S |
| MW: | 104.21 |
| EINECS: | 217-515-3 |
| Product Categories: | Alphabetical Listings;Flavors and Fragrances;M-N;Organic Building Blocks;Sulfur Compounds;Thiols/Mercaptans;thiol Flavor |
| Mol File: | 1878-18-8.mol |
| 2-Methyl-1-butanethiol Chemical Properties |
| 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) |
| refractive index | n |
| FEMA | 3303 | 2-METHYL-1-BUTANETHIOL |
| Fp | 67 °F |
| storage temp. | Flammables area |
| pka | 10.41±0.10(Predicted) |
| form | liquid (estimate) |
| color | Colorless to Almost colorless |
| Sensitive | Air Sensitive |
| JECFA Number | 515 |
| CAS DataBase Reference | 1878-18-8(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-Butanethiol, 2-methyl-(1878-18-8) |
| EPA Substance Registry System | 1-Butanethiol, 2-methyl- (1878-18-8) |
| Safety Information |
| Hazard Codes | F,Xi,Xn |
| Risk Statements | 11-36/37/38-20/21/22 |
| Safety Statements | 16-26-33-36/37/39 |
| RIDADR | UN 1111 3/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29309090 |
| MSDS Information |
| Provider | Language |
|---|---|
| 2-Methyl-1-butanethiol | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| 2-Methyl-1-butanethiol Usage And Synthesis |
| 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. |
| 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. |
| 2-Methyl-1-butanethiol Preparation Products And Raw materials |
| Raw materials | Sodium-->Ammonia-->PICRIC ACID |
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