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L00160 p-Toluenesulfonic anhydride, 97%

CAS Number
4124-41-8
Synonyms
Tosic anhydride

Stock No. Size Price ($) Quantity Availability
L00160-06 5g 42.10
L00160-14 25g 142.00
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p-Toluenesulfonic anhydride, 97%

MDL
MFCD00008548
EINECS
223-926-9

Chemical Properties

Formula
C14H14O5S2
Formula Weight
326.38
Melting point
125-130°
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.

Literature References

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 Hazard and Precautionary Statements

Hazard Statements: H314

Causes severe skin burns and eye damage.

Precautionary Statements: P260-P264b-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c

Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
2223702
Hazard Class
8
Packing Group
III
Harmonized Tariff Code
2904.10
TSCA
No

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