Methylamine (ca. 9% in Ethanol, ca. 2mol/L) TCI M2323

Chemical Identity

CAS No.: 74-89-5
PubChem: CID 6329·SID 253659668
Formula: CH5N
Molecular weight: 31.057 g/mol
Reference databases: ChEBI·ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: methanamine
SMILES: CN
InChIKey: BAVYZALUXZFZLV-UHFFFAOYSA-N

Rp 795.900,00

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TCI M2323 Methylamine (ca. 9% in Ethanol, ca. 2 mol/L) is a ready-to-use solution of methylamine in ethanol at a concentration of approximately two molar. Methylamine itself is the simplest primary amine and exists as a gas at room temperature, which makes handling it in its pure form rather troublesome for a general-purpose laboratory. Supplying it as a solution in ethanol answers that problem directly: researchers can draw the reagent with a syringe or volumetric pipette, calculate the number of moles straight from the volume taken, and introduce it into a reaction without needing any pressurised gas handling equipment.

The characteristics that make this solution a frequent choice are its convenience combined with the inherent reactivity of methylamine as both a nucleophile and a base. Methylamine reacts rapidly with esters, acid chlorides, anhydrides, epoxides, and alkyl halides, and it serves as a key component in reductive amination for installing the N-methylamino group. The fixed concentration of approximately 2 mol/L simplifies stoichiometric calculation, so reaction outcomes are easier to reproduce from one experiment to the next. Ethanol as the solvent is protic in nature and dissolves many polar substrates well, although researchers should take into account the possibility of solvent participation in certain reaction systems.

In Indonesian laboratories, this reagent typically appears in organic synthesis work at universities, research institutes, and pharmaceutical development groups, where amide bond formation and amine functionalisation are routine steps. Because the material arrives as a pre-standardised solution, laboratories that do not maintain gas cylinder infrastructure can still carry out methylamination chemistry on the bench. It suits teaching and research settings where reagent handling must remain straightforward and measurable by volume alone.

TCI brochures (PDF)

Safely Handleable Volatile Solutions 2024-05-02 · p. 1
DualSeal ― Airtight-Double-Cap Bottled Reagents 2024-08-13 · p. 4
Colloidal Quantum Dot (QD) Research Reagents 2026-05-21 · p. 6

Related TCI products

Amide synthesis from esters and acid chlorides, where methylamine reacts rapidly with the carbonyl electrophile to deliver N-methyl amides without requiring any gas handling apparatus in the laboratory.
Reductive amination procedures, in which this solution supplies the primary amine component needed to install the N-methylamino group onto aldehyde and ketone substrates under conventional bench conditions.
Epoxide ring opening reactions, where methylamine acts as a nucleophile that attacks the strained oxirane and generates amino alcohol products useful in multistep synthetic routes.
Nucleophilic substitution on alkyl halides, taking advantage of the rapid reaction between methylamine and the carbon-halogen bond to build N-methylated amine frameworks in the laboratory.
Reactions with anhydrides in pharmaceutical development chemistry, where the defined concentration of approximately 2 mol/L allows stoichiometry to be calculated directly from the dispensed volume for reproducible results.

Brand	TCI
CAS number	74-89-5
Molecular formula	—
Purity	—
Category	Chemistry > Synthetic Reagents > Acids, Bases [Synthetic Reagents]
Pack sizes	available in the standard packaging configurations offered by TCI for this catalogue item
Physical form	liquid solution of methylamine in ethanol, approximately 9% w/w, approximately 2 mol/L
Storage	keep tightly closed in a cool location away from heat and ignition sources

Store the container tightly closed in a cool, well-ventilated area, kept apart from heat, open flame, and other ignition sources, since the ethanol solvent is flammable and the dissolved methylamine is volatile. Keep the reagent in its original supplier container or in a compatible sealed glass vessel, and avoid prolonged exposure to air when transferring. All dispensing should be performed inside a fume hood using a syringe or volumetric pipette, with gloves, safety glasses, and a laboratory coat worn throughout. Close the container promptly after each withdrawal to limit loss of methylamine from the solution, and segregate it from strong acids and strong oxidising agents during storage.

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