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80-48-8 - Methyl p-toluenesulfonate, 98% - Methyl p-tosylate - p-Toluenesulfonic acid methyl ester - A10881 - Alfa Aesar

A10881 Methyl p-toluenesulfonate, 98%

Número CAS
80-48-8
Nombre Alternativo
Methyl p-tosylate
p-Toluenesulfonic acid methyl ester

Tamaño Precio ($) Cantidad Disponibilidad
250g 39,04
1000g 126,69
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Methyl p-toluenesulfonate, 98%

MDL
MFCD00008417
EINECS
201-283-5

Propiedades químicas

Fórmula
C8H10O3S
Peso molecular
186.23
Punto de fusión
24-28°
Punto de ebullición
140°/20mm
Punto de inflamabilidad
152°(305°F)
Densidad
1.234
Índice de refracción
1.5185
Solubilidad
Soluble in ether, alcohol, benzene and chloroform. Slightly soluble in petroleum ether. Insoluble in water.

Aplicaciones

Methyl p-toluenesulfonate is used as a methylating agent in organic synthesis. It acts as a catalyst for alkyd resins. It is also employed in selective 1-substitution reaction of tetrazole. Further, it is used in the preparation of dyes.

Notas

Store in a cool place. Incompatible with strong oxidizing agents, strong acids and strong bases.

Referencias documentales

Found to give quantitative alkylation of the lithio-derivatives of enol acetates, whereas alkyl iodides give only modest yields: Synth. Commun., 3, 67 (1973).

Bouten, P. J.; Lava, K.; van Hest, J.; Hoogenboom, R. Thermal Properties of Methyl Ester-Containing Poly(2-oxazoline)s. Polymers 2015, 7 (10), 1998-2008.

Zhao, J.; Wang, C.; Zhao, P.; Wen, X.; Lin, C. Bioreducible dextran-polyethylenimine conjugates regulate transgene expression distribution in vivo. J. Mater. Chem. B 2015, 3 (8), 1529-1536.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H314-H318-H302-H317

Causes severe skin burns and eye damage. Causes serious eye damage. Harmful if swallowed. May cause an allergic skin reaction.

Indicaciones de precaución: P260-P261-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Beilstein
609209
Clase de peligro
8
Grupo de embalaje
II
Código de tarifa arancelaria unificado
2905.19
TSCA
Yes
RTECS
XT7000000

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