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Butane-1-thiol

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Identification
Molecular formula
C4H10S
CAS number
109-79-5
IUPAC name
butane-1-thiol
State
State

At room temperature, butane-1-thiol is a liquid. It is volatile and its vapor may be irritating to the eyes, skin, and respiratory tract.

Melting point (Celsius)
-115.00
Melting point (Kelvin)
158.00
Boiling point (Celsius)
98.50
Boiling point (Kelvin)
371.70
General information
Molecular weight
90.19g/mol
Molar mass
90.1900g/mol
Density
0.8370g/cm3
Appearence

Butane-1-thiol is a colorless to pale yellow liquid. It has a strong and unpleasant smell, often described as a "skunky" odor, which is characteristic of thiols (also known as mercaptans). This intense odor is noticeable even at very low concentrations.

Comment on solubility

Solubility of Butane-1-thiol

Butane-1-thiol, also known as 1-butanethiol and featuring the chemical formula C4H10S, exhibits some interesting properties when it comes to solubility:

  • It is a polar
  • Butane-1-thiol is soluble in water to a moderate extent, typically owing to its low molecular weight and polar nature.
  • In organic solvents, such as ethanol and diethyl ether, its solubility is quite favorable, making it useful in various chemical processes.

Overall, the solubility of butane-1-thiol reflects its functional group properties. As a rule of thumb, compounds with polar functional groups like thiols tend to have enhanced solubility in polar solvents, complemented by the capacity for hydrogen bonding, while still maintaining reasonable solubility in less polar environments.

Interesting facts

Interesting Facts about Butane-1-thiol

Butane-1-thiol, also known as butyl mercaptan, is a fascinating compound that plays a significant role in various chemical applications and offers unique properties. Here are some intriguing insights about this sulfur-containing organic compound:

  • Unique Odor: One of the most distinguishing characteristics of butane-1-thiol is its strong and unpleasant smell, often likened to that of rotten cabbage or garlic. This property makes it an effective odorant for natural gas, helping to identify leaks.
  • Sulfur Compound: As a thiol, butane-1-thiol contains a sulfur atom bonded to a carbon atom, which enhances its reactivity compared to alcohols. This makes it valuable in organic synthesis.
  • Uses in Industry: Butane-1-thiol is not just a foul-smelling compound; it has important applications, especially in the production of insect pheromones and flavorings in food processing.
  • Biological Role: In nature, thiols like butane-1-thiol can serve as signaling molecules in biological processes, affecting cellular communication.
  • Research Interest: This compound is also of interest in scientific research, particularly in studies related to the olfactory system and the mechanisms that detect smells.

In summary, butane-1-thiol showcases the balance between its irritating olfactory properties and its usefulness in various fields. Whether serving as an odorant or as a precursor in chemical synthesis, this compound remains a vital part of the chemical landscape!

Synonyms
1-Butanethiol
Butanethiol
butane-1-thiol
109-79-5
BUTYL MERCAPTAN
n-Butyl mercaptan
n-Butanethiol
Butylthiol
n-Butylmercaptan
Thiobutyl alcohol
1-Butyl mercaptan
1-Mercaptobutane
butylmercaptan
n-Butyl thioalcohol
n-Butylthiol
Bear skunk
Caswell No. 119D
Normal butyl thioalcohol
Mercaptan C4
FEMA No. 3478
HSDB 290
4-butanethiol
n-C4H9SH
NCI-C60866
EINECS 203-705-3
EPA Pesticide Chemical Code 125001
BRN 1730908
DTXSID6026824
UNII-77OY909F30
AI3-22954
BUTYLMERCAPTAN, N-
1-BUTANETHIOL [FHFI]
DTXCID406824
N-BUTYL MERCAPTAN [MI]
1-BUTYL MERCAPTAN [HSDB]
4-01-00-01555 (Beilstein Handbook Reference)
77OY909F30
n-butane-1-thiol
32812-85-4
MFCD00004905
nButanethiol
nButylmercaptan
1Mercaptobutane
butane thiol
n-butanthiol
n-butyl mercaptan, sodium salt
nButyl mercaptan
1-butylthiol
butyl thioalcohol
1-butylmercaptan
n-butyl mercaptan, lithium salt
nButyl thioalcohol
n-butyl mercaptan, Ag(+1) salt
n-butyl mercaptan, potassium salt
n-butyl mercaptan, tin (+2) salt
n-BuSH
n-butyl mercaptan, lead (+2) salt
BUSH
Butanethiol (OSHA)
n-butyl mercaptan, copper (+1) salt
n-butyl mercaptan, silver (+2) salt
n-butyl mercaptan, geranium (+2) salt
n-butyl mercaptan, molybdenum (+3) salt
1-Butanethiol, 99%
n-butyl mercaptan, 14C,1-(35)S-labeled cpd
1-Butanethiol, >=98%
n-Butyl mercaptan (ACGIH)
Butyl mercaptan (DOT:OSHA)
n-butyl mercaptan, 2-(14)C,2-(35)s-labeled cpd
CHEMBL3188256
n-butyl mercaptan, 1,2-(14)C,2-(35) S-labeled cpd
FEMA 3478
CHEBI:177389
1-Butanethiol, analytical standard
Tox21_200811
BUTYL MERCAPTAN (BUTANETHIOL)
AKOS009031443
USEPA/OPP Pesticide Code: 125001
NCGC00248839-01
NCGC00258365-01
CAS-109-79-5
1-Butanethiol, purum, >=97.0% (GC)
DB-003605
B0685
NS00020726
EN300-19345
A802088
Q195823