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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%

CAS-Nummer
80-48-8
Synonyme
Methyl p-tosylate
p-Toluenesulfonic acid methyl ester

Größe Preis ($) Menge Verfügbarkeit
250g 39,04
1000g 126,69
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Methyl p-toluenesulfonate, 98%

MDL
MFCD00008417
EINECS
201-283-5

Chemische Eigenschaften

Formel
C8H10O3S
Molmasse
186.23
Schmelzpunkt
24-28°
Siedepunkt
140°/20mm
Flammpunkt
152°(305°F)
Dichte
1.234
Brechungsindex
1.5185
Löslichkeit
Soluble in ether, alcohol, benzene and chloroform. Slightly soluble in petroleum ether. Insoluble in water.

Anwendungen

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.

Bemerkungen

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

Literaturverweise

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.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H314-H318-H302-H317

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

Sicherheitshinweise: 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.

Weitere Referenzen

Beilstein
609209
Gefahrenklasse
8
Verpackungsgruppe
II
Harmonized Tariff Code
2905.19
TSCA
Yes
RTECS
XT7000000

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