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Butane-2-thiol

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Identification
Molecular formula
C4H10S
CAS number
513-53-1
IUPAC name
butane-2-thiol
State
State

At room temperature, Butane-2-thiol is in a liquid state.

Melting point (Celsius)
-115.00
Melting point (Kelvin)
158.15
Boiling point (Celsius)
89.50
Boiling point (Kelvin)
362.65
General information
Molecular weight
90.19g/mol
Molar mass
90.1870g/mol
Density
0.8423g/cm3
Appearence

Butane-2-thiol is a clear, colorless to pale yellow liquid. It has a strong and unpleasant odor, often described as skunk-like or similar to rotten eggs, which is characteristic of many thiols.

Comment on solubility

Solubility of Butane-2-thiol

Butane-2-thiol, also known as 2-methyl-1-propanethiol, is an organosulfur compound with a distinctive odor commonly associated with skunk spray. The solubility characteristics of this compound are quite interesting and can be summarized as follows:

  • Polarity: Butane-2-thiol is classified as a polar molecule due to the presence of the thiol (-SH) functional group, which can engage in hydrogen bonding with water.
  • Water Solubility: While butane-2-thiol is moderately soluble in water, it is not highly soluble. This limited solubility arises from the presence of a non-polar hydrocarbon chain, which hinders interaction with polar water molecules.
  • Organic Solvents: In contrast, butane-2-thiol shows excellent solubility in organic solvents. This includes substances such as ethanol, dichloromethane, and ethyl acetate, where the molecular structure's non-polar characteristics become advantageous.

In summary, butane-2-thiol's solubility varies significantly between polar and non-polar environments. Its moderate water solubility combined with high solubility in organic solvents underscores its utility in various applications, particularly within organic synthesis and flavor industries.

Interesting facts

Exploring Butane-2-Thiol

Butane-2-thiol, also known as 2-butanethiol, is an intriguing organic compound that belongs to the class of thiols. Thiols are characterized by the presence of a sulfhydryl group (-SH) which imparts unique properties to these substances. Here are some fascinating insights about butane-2-thiol:

  • Distinctive Odor: One of the most notable characteristics of butane-2-thiol is its strong and pungent odor, often compared to that of rotten cabbage or garlic. This unusual smell makes it a useful substance in the field of odor detection.
  • Applications in Industry: Butane-2-thiol is widely used in the production of various chemical compounds, including agricultural pesticides and flavoring agents. Its unique odor can also serve as a warning signal in natural gas, alerting individuals to potential leaks.
  • Biochemical Role: As a thiol, butane-2-thiol plays a role in biological systems, particularly in the protection against oxidative stress due to its ability to participate in redox reactions.
  • Analytical Chemistry: In analytical chemistry, butane-2-thiol can be used as a standard in mass spectrometry due to its relatively simple structure, allowing for easier identification and quantification of related compounds.

In summary, butane-2-thiol is not just a compound with a distinctive smell, but it is also valuable in both industrial applications and biological systems. As a chemist or a student, understanding its properties and uses can provide insights into the broader role of thiols in chemistry and everyday life.

Synonyms
2-Butanethiol
513-53-1
butane-2-thiol
SEC-BUTYL MERCAPTAN
2-Butylthiol
UNII-Y2D731QBYN
DTXSID1041396
sec-C4H9SH
HSDB 1610
EINECS 208-165-2
NSC-78417
3-METHYL-2-PROPANETHIOL
DTXCID9021396
SEC-BUTYL MERCAPTAN [MI]
SEC-BUTYL MERCAPTAN [HSDB]
secButanethiol
2mercaptobutane
2butanethiol
2Butylmercaptan
secButyl thiol
2Butyl mercaptan
secButyl thioalcohol
1Methyl1propanethiol
2-butanethiol, (+-)-
lochfzbwpclpan-uhfffaoysa-n
un2347
2-Butyl mercaptan
2-Mercaptobutane
sec-Butanethiol
sec-Butyl thiol
1-Methyl-1-propanethiol
sec-Butyl thioalcohol
secondary Butylmercaptan
2-Butylmercaptan
NSC 78417
Y2D731QBYN
2-BUTANETHIOL, (+/-)-
sec-butylmercaptan
sec-Butyl mecaptan
1-methylpropanethiol
MFCD00004865
sec.-Butyl thioalcohol
1-methyl-1-propanthiol
2-Butanethiol, 98%
sec-Butyl hydrosulfide #
2-Butanethiol, >=98%
1-methyl-1-propyl mercaptan
CHEMBL3183438
NSC78417
Tox21_301086
AKOS000120417
AKOS017278348
NCGC00248283-01
NCGC00254987-01
CAS-513-53-1
DB-021135
B0686
NS00021185
EN300-20452
Q27294175