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4229-44-1 - N-Methylhydroxylamine hydrochloride, 98% - L02202 - Alfa Aesar

L02202 N-Methylhydroxylamine hydrochloride, 98%

Codice CAS
4229-44-1
Sinonimi

Dimensioni Prezzo ($) Quantità Disponibilità
5g 49,80
25g 200,00
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N-Methylhydroxylamine hydrochloride, 98%

MDL
MFCD00012597
EINECS
224-181-2

Proprietà chimiche

Formula
CH3NHOH•HCl
Peso formula
83.52
Punto di fusione
80-86°
Sensibilità
Hygroscopic
Solubilità
Soluble in water.

Applicazioni

N-Methylhydroxylamine hydrochloride is used as an inorganic catalyst used in the transamidation of primary amides with amines. It is employed in constructing hydroxamates, important functional groups for the complexation of iron.

Note

Hygroscopic. Store under dry inert gas. Protect from humidity and air.

Letteratura

A. Gibson and S. Mirzazadeh. N-methylhydroxylamine inhibits and M&B 22948 potentiates relaxations of the mouse anococcygeus to non-adrenergic, non-cholinergic field stimulation and to nitrovasodilator drugs.British Journal of Pharmacology.1989, 96 637-644.

J. R. Ochoa Gomez. Electrosynthesis of N-methylhydroxylamine.Journal of Applied Electrochemistry.1991, 21 331-334.

Reacts with aldehydes and ketones to give nitrones, which undergo 1,3-dipolar addition reactions with alkenes. Cycloaddition to trimethylvinylsilane has been used in a 2-carbon extension of aldehydes to ɑß-unsaturated aldehydes: J. Org. Chem., 49, 3421 (1984):

Intramolecular cycloaddition has been used as a route to bicyclic systems, e.g. from citronellal: Org. Synth. Coll., 6, 670 (1988).

Reviews: 1,3-Dipolar cycloadditions of nitrones: Synthesis, 205 (1975). The [3+2] nitrone-olefin cycloaddition reaction: Org. React., 36, 1 (1988). Synthetic applications of nitrones: Org. Prep. Proced. Int., 17, 25 (1985).

For conversion to, and reactions of, the N,O-bis(TMS) derivative, see: J. Chem. Soc., Perkin 1, 1823 (1989).

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Dichiarazioni precauzionali: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Beilstein
3541409
Codice tariffe armonizzato
2928.00
TSCA
Yes

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