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Methylamine

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Identification
Molecular formula
CH3NH2
CAS number
74-89-5
IUPAC name
methanamine
State
State

At room temperature, methylamine is typically encountered as a gas. It can be dissolved in water to form a solution.

Melting point (Celsius)
-93.50
Melting point (Kelvin)
179.70
Boiling point (Celsius)
-6.30
Boiling point (Kelvin)
266.80
General information
Molecular weight
31.06g/mol
Molar mass
31.0570g/mol
Density
0.6990g/cm3
Appearence

Methylamine is a colorless gas with a strong, ammonia-like odor. It is often encountered as an aqueous solution or in pressurized gas cylinders. The gaseous form is noxious and dissolved solutions appear colorless.

Comment on solubility

Solubility of Methanamine (CH3NH2)

Methanamine, known primarily as an organic amine, exhibits intriguing solubility characteristics that are important in various chemical and biological processes. Here are some key points regarding its solubility:

  • Highly Soluble in Water: Methanamine is extremely soluble in water due to its ability to form hydrogen bonds with water molecules. The presence of the amino group (-NH2) significantly enhances its solubility.
  • Temperature Dependence: The solubility of methanamine may vary with temperature, where increased temperatures can lead to higher solubility limits.
  • Alcohol Solubility: In addition to water, methanamine is also soluble in several organic solvents such as alcohols, which can further facilitate its use in various applications.
  • Behavior with Other Solvents: While methanamine is soluble in a range of solvents, it is less soluble in nonpolar solvents due to the lack of significant interactions.
  • Concentration Effects: At higher concentrations, methanamine can exhibit decreased solubility in solution, which is an important factor to consider in practical applications.

Overall, the solubility properties of methanamine are critical for its behavior in chemical reactions and its role as a reagent in synthesis. Its high water solubility makes it an excellent candidate for diverse applications, illustrating the fascinating interplay between molecular structure and solubility.

Interesting facts

Interesting Facts about Methanamine

Methanamine, also known as methylamine, is a fascinating compound with various applications in both industrial and research settings. Here are some intriguing aspects of this compound:

  • Basic Amines: Methanamine is classified as a primary amine. This means that it contains one amino group (-NH2) attached to a methyl group (CH3), making it a simple yet significant building block in organic chemistry.
  • Industrial Applications: This compound is widely utilized in the production of various chemicals, including pharmaceuticals, pesticides, and herbicides. Methanamine serves as a precursor to other important chemicals like methenamine, which is used in antiseptic formulations.
  • Gas as Weapon: Interestingly, methanamine has been mentioned in discussions related to chemical warfare, particularly because it can be used in the synthesis of nerve agents. This underscores the importance of responsible handling and regulation of chemicals.
  • Biological Relevance: In biological systems, methanamine can be a product of metabolism. Certain bacteria and organisms produce this compound, showcasing its natural occurrence in ecosystems.
  • Odor Characteristics: Methanamine is known for its distinctive fishy odor. This characteristic can be an identifying feature in laboratory settings, both in synthesis and analysis.

In conclusion, methanamine is more than just a simple amine; it plays a vital role in various chemical processes and industries. As emphasized by chemists, “Every small molecule has its story.” Methanamine’s story is one of both utility and caution, reinforcing the dual nature of chemical compounds in our world.

Synonyms
METHYLAMINE
Methanamine
Aminomethane
Monomethylamine
74-89-5
Carbinamine
Mercurialin
N-Methylamine
Methylaminen
Metilamine
Metyloamina
Anhydrous Methylamine
Methylamine aq
MeNH2
Methylamine, anhydrous
CCRIS 2508
HSDB 810
methyl-amine
UNII-BSF23SJ79E
EINECS 200-820-0
BSF23SJ79E
AI3-15637-X
CHEBI:16830
CH3NH2
monomethylammonium ion
CH3-NH2
DTXSID7025683
EC 200-820-0
MFCD00008104
monomethyl amine
NME
Methylamine (33% in EtOH)
Methylamine (2.0M in THF)
Methylaminen [Dutch]
Metilamine [Italian]
Metyloamina [Polish]
methylamin
Methylamine (2.0M in methanol)
Methylamine (40% w/w in H2O)
3767-37-1
METHYL-D3-AMINE (D, 98%)
methylamine bisulfite
Methylamine (anhydrous)
GADODIAMIDE HYDRATE IMPURITY C (EP IMPURITY)
GADODIAMIDE HYDRATE IMPURITY C [EP IMPURITY]
UN1061
UN1235
methaneamine
methlamine
methlyamine
methyamine
methylammonia
methylarnine
metylamine
Metilamino
methyl group
methylamine-
mono-methylamine
N-methyl amine
methane, amino-
mono methyl amine
mono-methyl amine
3P8
Methylamine anhydrous
Methylamine-d5 DCl
Secondary-alkyl amine
H2NMe
NH2Me
METHYLAMINE [MI]
METHYLAMINE [HSDB]
H2NCH3
NH2CH3
Methylamine, >=99.0%
Methylamine, 2M in methanol
Integrase inhibitor, R3{3}
UN 1235 (Salt/Mix)
CHEMBL43280
Methylamine, 33% in ethanol
DTXCID305683
Methylamine, purum, >99.5%
METHYLAMINE, (ANHYDROUS)
Methylamine, anhydrous, >=98%
DTXSID00198052
Methanamine-d2;Methyl(2H2)amine
Methylamine, ca. 2 M in ethanol
Methyl Of Gamma-N-Methylasparagine
Methylamine, 2M in tetrahydrofuran
BCP31897
PAA77955
STR00032
BDBM50416492
BP-11399B
STL281863
AKOS009031510
InChI=1/CH5N/c1-2/h2H2,1H
DB01828
Methylamine (ca. 9% in Acetonitrile)
Methylamine, 40 wt.% aqueous solution
UN 1061
M0137
M1016
M2108
M2323
M2324
M3340
M3341
NS00004846
C00218
C22522
Methylamine, 33 wt.% solution in absolute ethanol
Q409304
Methylamine, anhydrous [UN1061] [Flammable gas]
Methylamine (ca. 7% in N,N-Dimethylformamide, ca. 2.0mol/L)
200-820-0
JandaJel(TM)-NH2, 100-200 mesh, extent of labeling: 1.0 mmol/g N loading, 2 % cross-linked
JandaJel(TM)-NH2, 200-400 mesh, extent of labeling: 1.0 mmol/g N loading, 2 % cross-linked
JandaJel(TM)-NH2, 50-100 mesh, extent of labeling: 1.0 mmol/g N loading, 2 % cross-linked