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Merck
CN

M0505

Methylamine hydrochloride

≥98%

Synonym(s):

Methanaminium chloride, Methylamine monohydrochloride, Methylammonium chloride, Monomethylammonium chloride

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About This Item

Linear Formula:
CH3NH2 · HCl
CAS Number:
593-51-1
Molecular Weight:
67.52
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
57654342
EC Number:
209-795-0
Beilstein/REAXYS Number:
3588822
MDL number:
MFCD00012849

Key Documents

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Product Name

Methylamine hydrochloride, ≥98%

InChI key

NQMRYBIKMRVZLB-UHFFFAOYSA-N

InChI

1S/CH5N.ClH/c1-2;/h2H2,1H3;1H

SMILES string

Cl[H].CN

assay

≥98%

form

powder or crystals

bp

225-230 °C/15 mmHg (lit.)

mp

231-233 °C (lit.)

solubility

H2O: 1 g in 10 mL, clear, colorless

Quality Level

200

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Application

Methylamine hydrochloride can be used as a reactant to synthesize:
  • Betahistine via aza-Michael reaction with 2-vinylpyridine in water.
  • Azatripyrrolic and azatetrapyrrolic macrocycles by reacting with pyrrole and formaldehyde via base-catalyzed Mannich reaction.
  • Tetrahydropyridines via Aza-Diels–Alder reaction with dienes and aldehydes.
  • N-methylsecondary arylamines from aryl chlorides via nickel-catalyzed amination reaction.

General description

Methylamine hydrochloride is used as a buildingblock for the synthesis of various organic compounds.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

408.7 °F - closed cup

flash_point_c

209.3 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN8424
BCCL2937
BCCM3607
BCCC2164
BCCH7800

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Jixian Xu et al.
Science (New York, N.Y.), 367(6482), 1097-1104 (2020-03-07)
Wide-band gap metal halide perovskites are promising semiconductors to pair with silicon in tandem solar cells to pursue the goal of achieving power conversion efficiency (PCE) greater than 30% at low cost. However, wide-band gap perovskite solar cells have been
Elisabeth Schwaiger et al.
Transplantation, 97(12), 1279-1285 (2014-03-14)
Luminex-based anti-HLA IgG detection on single-antigen flow beads (SAFB) represents a valuable tool for characterization of allosensitization patterns. Assay interpretation, however, may be impeded by false-low test results caused by the prozone effect. Recent experimental data have related this artifact
Marco Dionisio et al.
Journal of the American Chemical Society, 134(15), 6540-6543 (2012-04-06)
Single-walled carbon nanotubes (SWCNTs) have been functionalized with highly selective tetraphosphonate cavitand receptors. The binding of charged N-methylammonium species to the functionalized SWCNTs was analyzed by X-ray photoelectron spectroscopy and confirmed by (31)P MAS NMR spectroscopy. The cavitand-functionalized SWCNTs were
Nicolas Fleury-Brégeot et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 18(31), 9564-9570 (2012-07-07)
Ammoniomethyl trifluoroborates are very powerful reagents that can be used to access biologically relevant aryl- and heteroaryl-methylamine motifs via Suzuki-Miyaura cross-couplings. Until now, this method was limited to the production of tertiary and primary amines. The synthesis of a large
Jing-Jing Fang et al.
Waste management (New York, N.Y.), 32(7), 1401-1410 (2012-04-07)
This study investigated the odor compounds from different areas in a landfill site, which included the municipal solid waste (MSW)-related area, the leachate-related area and the sludge-related area. Nine sampling points were placed and 35 types of odorous substances were
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