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Isobutyl mercaptan

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Identification
Molecular formula
C4H10S
CAS number
513-44-0
IUPAC name
2-methylpropane-1-thiol
State
State

At room temperature, isobutyl mercaptan is a liquid.

Melting point (Celsius)
-148.50
Melting point (Kelvin)
124.65
Boiling point (Celsius)
90.90
Boiling point (Kelvin)
364.05
General information
Molecular weight
90.19g/mol
Molar mass
90.1870g/mol
Density
0.8420g/cm3
Appearence

Isobutyl mercaptan is a clear, colorless liquid with a disagreeable, pungent odor often described as skunk-like or resembling rotting cabbage.

Comment on solubility

Solubility Characteristics of 2-Methylpropane-1-thiol

2-Methylpropane-1-thiol, also known by its IUPAC name, is an organosulfur compound that exhibits notable solubility traits. In terms of its ability to dissolve in various solvents, consider the following aspects:

  • Solubility in Water: This compound is largely insoluble in water due to its hydrophobic properties, which are influenced by its alkyl group.
  • Solubility in Organic Solvents: 2-Methylpropane-1-thiol shows a much higher solubility in organic solvents such as ethanol, ether, and hydrocarbons, making it a favorable choice for reactions requiring organic phase involvement.
  • Influence of Temperature: As with many organic compounds, the solubility of 2-methylpropane-1-thiol in organic solvents can increase with temperature, allowing for enhanced reaction kinetics.

To summarize, the solubility behavior of 2-methylpropane-1-thiol can be neatly encapsulated in the following points:

  1. Insoluble in water
  2. Soluble in various organic solvents
  3. Temperature-dependent solubility

Thus, understanding the solubility of 2-methylpropane-1-thiol is crucial for its application in chemical synthesis and industrial processes.

Interesting facts

Interesting Facts about 2-Methylpropane-1-thiol

2-Methylpropane-1-thiol, often referred to as isobutyl mercaptan, is an intriguing compound that has several noteworthy characteristics. Here are some fascinating aspects that make this thiol compelling:

  • Odor Profile: This compound is known for its strong odor, reminiscent of garlic or skunk, which is often employed in odorizing natural gas to ensure safety. The strong olfactory nature of thiols makes them useful in various applications where smell is a primary concern.
  • Synthetic Applications: 2-Methylpropane-1-thiol is utilized in organic synthesis. As a versatile building block, it can undergo further reactions, making it valuable in laboratories and industrial settings for the creation of more complex molecules.
  • Biological Role: Thiols like 2-methylpropane-1-thiol play important roles in biological processes, including protein structure stabilization through disulfide bonds and in detoxification pathways, highlighting their significance in biochemistry.
  • Regulations and Safety: Due to its potent smell, handling this chemical requires careful attention and proper safety equipment to mitigate risks and ensure safe laboratory practices.

In conclusion, 2-methylpropane-1-thiol is not just an interesting compound due to its unique properties but also serves functional roles in safety, industry, and biology. Its presence in nature and industry exemplifies the profound impact of thiols on everyday life. As one student noted, "The world of chemistry is full of surprises, and thiols are among the most aromatic!"

Synonyms
Isobutyl mercaptan
2-METHYL-1-PROPANETHIOL
2-Methylpropane-1-thiol
Isobutanethiol
1-Propanethiol, 2-methyl-
Isobutyl thiol
2-Methylpropyl mercaptan
EINECS 208-162-6
BRN 1730890
9H070UFP2X
ISOBUTYL MERCAPTAN [MI]
DTXSID9060156
FEMA NO. 3874
BDFAOUQQXJIZDG-UHFFFAOYSA-
4-01-00-01605 (Beilstein Handbook Reference)
2-METHYL-1-PROPANETHIOL [FHFI]
DTXCID2040999
inchi=1/c4h10s/c1-4(2)3-5/h4-5h,3h2,1-2h3
513-44-0
Isobutylmercaptan
1-Isobutanethiol
2-Methyl propanethiol
iso-C4H9SH
2-Methyl-1-propylthiol
UNII-9H070UFP2X
iso-butyl thiol
1-Mercaptoisobutane
Thioisobutyl alcohol
2-methylpropanethiol
MFCD00004882
2-methyl-propanethiol
2-methyl-propane-1-thiol
1-Mercapto-2-methylpropane
FEMA 3874
AKOS000120213
2-Methyl-1-propanethiol, >=95%, FG
M0404
NS00021184
EN300-20684
2-Methyl-1-propanethiol, 92%, technical grade
A828544
Q27272544
F0001-1336
1-Isobutanethiol; 2-Methylpropyl mercaptan; Isobutyl mercaptan; Isobutyl thiol; NSC 203271; 1-?Propanethiol, 2-?methyl-