Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

4124-41-8 - p-Toluenesulfonic anhydride, 97% - Tosic anhydride - L00160 - Alfa Aesar

L00160 p-Toluenesulfonic anhydride, 97%

CAS-Nummer
4124-41-8
Synonyme
Tosic anhydride

Größe Preis ($) Menge Verfügbarkeit
5g 40,50
25g 137,00
Zum Warenkorb hinzufügen Zur Angebotsanfrage hinzufügen Artikel anzeigen

p-Toluenesulfonic anhydride, 97%

MDL
MFCD00008548
EINECS
223-926-9

Chemische Eigenschaften

Formel
C14H14O5S2
Molmasse
326.38
Schmelzpunkt
125-130°
Sensitivität
Moisture Sensitive

Literaturverweise

More powerful sulfonylating reagent than the sulfonyl chloride, also avoiding possible displacement of sulfonate by halide. This is particularly useful in the sulfonylation of hindered alcohols and sugars: J. Chem. Soc., 1225 (1953).

/n

Anions of ß-ketoesters react with p-toluenesulfonic anhydride to give enol tosylates in good yield; tosyl chloride gives poor results (ca 20%): Synth. Commun., 20, 881 (1990).

/n

Has been used in combination with Paraformaldehyde, A11313 in the generation of monomeric formaldehyde: Synlett, 704 (1990).

/n

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Sicherheitshinweise: P260u-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a

Do not breathe dusts or mists. 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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
2223702
Gefahrenklasse
8
Verpackungsgruppe
III
Harmonized Tariff Code
2904.10
TSCA
No

Empfohlen

Kürzlich angesehen

Chemikalien

Life science

Metalle und Stoffe

Katalysatoren

Forschungs- und Laborbedarf