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563-41-7 - Semicarbazide hydrochloride, 99% - A11668 - Alfa Aesar

A11668 Semicarbazide hydrochloride, 99%

Número CAS
563-41-7
Nombre Alternativo

Tamaño Precio ($) Cantidad Disponibilidad
100g 23,40
500g 67,90
2500g 263,00
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Semicarbazide hydrochloride, 99%

MDL
MFCD00013009
EINECS
209-247-0

Propiedades químicas

Fórmula
CH4N3O•HCl
Peso molecular
111.53
Punto de fusión
ca 176° dec.
Solubilidad
Soluble in water (>100g/L).

Aplicaciones

Semicarbazide hydrochloride is used as urease substrate and MAO inhibitor. Derivatizing agent for carbonyl compounds as their semicarbazones which produces crystalline compounds with characteristic melting points. Also used in heterocyclic synthesis. Semicarbazone formation has been used to separate carbonyl compounds from mixtures by adsorption onto silica gel from a hydrocarbon solution. Regeneration is by hydrolysis with oxalic acid.

Notas

Store in cool, dry conditions in well sealed container. Store away from oxidizing agent.

Referencias documentales

Phedias Diamandis et. al. Chemical genetics reveals a complex functional ground state of neural stem cells. Nature Chemical Biology. 2007, 3 (5), 268-273.

Fumiko Marttila-Ichihara; Karolien Castermans; Kaisa Auvinen; Mirjam G A Oude Egbrink; Sirpa Jalkanen; Arjan W Griffioen; Marko Salmi. Small-molecule inhibitors of vascular adhesion protein-1 reduce the accumulation of myeloid cells into tumors and attenuate tumor growth in mice. Journal of Immunology. 2010, 184 (6), 3164-3173.

Derivatizing agent for carbonyl compounds as their semicarbazones. Also used in heterocyclic synthesis. Semicarbazone formation has been used to separate carbonyl compounds from mixtures by adsorption onto silica gel from a hydrocarbon solution. Regeneration is by hydrolysis with oxalic acid: Tetrahedron, 37, 843 (1981).

Other reagents for the cleavage of semicarbazones include: Amberlyst® 15 in aqueous acetone: J .Chem. Soc., Perkin 1, 2563 (1988); Dowex® 50 in aqueous suspension: J. Org. Chem., 53, 878 (1988); CuSO4 in aqueous THF: J. Prakt. Chem., 322 1063 (1980).

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H301-H315-H319-H335

Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Indicaciones de precaución: P261-P280-P301+P310-P305+P351+P338-P304+P340-P362-P312-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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. 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.

Otras referencias

Merck
14,8444
Beilstein
3593642
Clase de peligro
6.1
Grupo de embalaje
III
Código de tarifa arancelaria unificado
2928.00
TSCA
Yes
RTECS
VT3500000

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