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3-Methyl-1-butanethiol

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Identification
Molecular formula
C5H12S
CAS number
541-31-1
IUPAC name
3-methylbutane-1-thiol
State
State
Liquid at room temperature. It is often handled in solution or with appropriate environmental controls to prevent exposure due to its strong odor and potential toxicity.
Melting point (Celsius)
-153.70
Melting point (Kelvin)
119.45
Boiling point (Celsius)
111.50
Boiling point (Kelvin)
384.65
General information
Molecular weight
104.22g/mol
Molar mass
104.2160g/mol
Density
0.8429g/cm3
Appearence

3-Methylbutane-1-thiol is a colorless liquid with a strong, unpleasant odor characteristic of thiol compounds. It has a pungent garlic-like smell and is often associated with natural gases and crude oils due to its sulfur content.

Comment on solubility

Solubility of 3-Methylbutane-1-thiol

3-Methylbutane-1-thiol, a compound with the formula C5H12S, exhibits specific solubility characteristics that are noteworthy:

  • Solvent Compatibility: This compound is generally soluble in organic solvents due to its hydrophobic nature. Common solvents include:
    • Ethyl acetate
    • Hexane
    • Acetone
  • Water Solubility: 3-Methylbutane-1-thiol has limited solubility in water. This is attributed to its thiol functional group which, while polar, does not provide enough interaction with water molecules to create significant solubility.
  • Influences on Solubility: The solubility can be influenced by several factors:
    • Temperature: Increasing temperature typically enhances solubility in organic solvents.
    • pH: Although less impactful, changes in pH can occasionally alter solubility in certain environments.

In summary, while 3-methylbutane-1-thiol is well-soluble in organic solvents, its water solubility is quite restricted, making it more favorable for use in non-aqueous systems. This dichotomy underscores the importance of solvent choice in applications involving this compound.

Interesting facts

Interesting Facts about 3-Methylbutane-1-thiol

3-Methylbutane-1-thiol, often simply referred to as a thiol compound, belongs to a fascinating class of chemicals characterized by the presence of a sulfur atom. Here are some notable aspects of this compound:

  • Unique Odor: This compound is known for its strong and potent odor, which is often compared to that of garlic or skunks. The distinct smell is attributed to the sulfur atom in its molecular structure, making thiols particularly interesting in sensory studies.
  • Natural Occurrence: 3-Methylbutane-1-thiol is found in various natural sources, including certain onions and garlic. This characteristic links it to the natural flavor and aroma of these food items, highlighting its importance in culinary applications.
  • Analytical Uses: Due to its strong and identifiable scent, this compound is commonly used in research and industry as a marker for detecting the presence of other substances. It can be utilized in various analytical methods to ensure food safety and quality.
  • Chemical Properties: Thiols typically exhibit interesting reactivity due to the presence of the thiol group (-SH). This can lead to the formation of disulfides and other derivatives, making them valuable in organic synthesis.
  • Toxicity and Waste Management: While 3-methylbutane-1-thiol is invaluable in many fields, it is essential to handle it with care. Its volatile nature means proper safety protocols must be followed to prevent potential toxicity if inhaled or ingested.

This fascinating compound illustrates the diversity of organic chemistry and the myriad ways in which sulfur-containing molecules can influence our environment and daily lives. As a student or enthusiast in the field, exploring the properties and applications of thiols like 3-methylbutane-1-thiol can lead to a deeper understanding of both theoretical and practical chemistry.

Synonyms
3-Methyl-1-butanethiol
Isoamyl mercaptan
3-Methylbutane-1-thiol
541-31-1
Isopentyl mercaptan
1-Butanethiol, 3-methyl-
3-Methylbutanethiol
Isopentanethiol
Isoamyl sulfhydrate
2-Methyl-4-butanethiol
isopentylthiol
MMK4SUN45E
EINECS 208-774-3
3-METHYLBUTYL MERCAPTAN
DTXSID3060247
FEMA NO. 3858
GIJGXNFNUUFEGH-UHFFFAOYSA-
3-METHYLBUTANETHIOL [FHFI]
DTXCID7041594
208-774-3
3-methyl-1-butanethiol [fhfi]
inchi=1/c5h12s/c1-5(2)3-4-6/h5-6h,3-4h2,1-2h3
ISOAMYLTHIOL
isoamylmercaptan
3-Methyl-1-butylthiol
UNII-MMK4SUN45E
C5H12S
3-methylbutylthiol
Isoamyl thioalcohol
Thioisoamyl alcohol
3-methyl-l-butanethiol
1-Mercapto-3-methylbutane
SCHEMBL23698
3-Methyl-1-butanethiol, 97%
FEMA 3858
CHEBI:173324
3-Methyl-1-butanethiol, >=97%
BBL027486
MFCD00004899
STL373476
AKOS015897470
FM35723
VS-08548
DB-021370
DB-304805
I0149
NS00022340
EN300-93820
D91090
A829979
Q27284115
341-31-1