2-Butanethiol
Synonym(s):2-Butanethiol;sec-Butyl mercaptan, 1-Methyl-1-propanthiol
- CAS NO.：513-53-1
- Empirical Formula: C4H10S
- Molecular Weight: 90.19
- MDL number: MFCD00004865
- EINECS: 208-165-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-10-27 18:05:36
What is 2-Butanethiol?
The Uses of 2-Butanethiol
sec-Butyl Mercaptan is used in the preparation of arylsulfides via palladium catalyzed thioetherification of aryl bromides and iodides.
What are the applications of Application
2-Butanethiol is a reagent for synthesis of arylsulfides via palladium catalyzed thioetherification of aryl bromides and iodides
Purification Methods
Purify it as for 1-butanethiol. [Beilstein 1 IV 1584.]
Properties of 2-Butanethiol
| Melting point: | -165° |
| Boiling point: | 84.6-85.2 °C(lit.) |
| Density | 0.83 g/mL at 25 °C(lit.) |
| vapor pressure | 142 mm Hg ( 37.7 °C) |
| refractive index | n |
| Flash point: | 70 °F |
| storage temp. | Store below +30°C. |
| solubility | 1.32g/l |
| form | liquid |
| pka | 10.92±0.10(Predicted) |
| color | Colorless to Almost colorless |
| Specific Gravity | 0.83 |
| Odor | sulfurous |
| Odor Threshold | 0.00003ppm |
| explosive limit | 1.7-9.6%(V) |
| Merck | 14,1578 |
| CAS DataBase Reference | 513-53-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Butanethiol(513-53-1) |
| EPA Substance Registry System | 2-Butanethiol (513-53-1) |
Safety information for 2-Butanethiol
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H225:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for 2-Butanethiol
2-Butanethiol manufacturer
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