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98-11-3 - Benzenesulfonic acid, 94% - A16148 - Alfa Aesar

A16148 Benzenesulfonic acid, 94%

Numéro CAS
98-11-3
Synonymes

Dimensions Prix ($) Quantité Disponibilité
100g 17,30
500g 26,80
2500g 60,70
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Benzenesulfonic acid, 94%

MDL
MFCD00011689
EINECS
202-638-7

Propriétés chimiques

Formule
C6H6O3S
Poids formulaire
158.18
Point de fusion
ca 45-50°
Point d'éclair
>110°(230°F)
Densité
1.32
Sensibilité
Hygroscopic
Solubilité
Soluble in water and alcohol. Slightly soluble in benzene. Insoluble in non-polar solvents.

Applications

Benzenesulfonic acid is mainly consumed by conversion to other specialty chemicals. A variety of pharmaceutical drugs are prepared as salts of benzenesulfonic acid and are known as besylates or besilates. The alkali metal salt of benzenesulfonic acid was once widely used in the production of phenol. It acts as an acid catalyst for direct esterification of amino acids and peptides.

Notes

It is hygroscopic. Incompatible with oxidizing agents and bases.

Références bibliographiques

Sanjay P.Kamble; Sudhir B.Sawant; Vishwas G.Pangarkar . Batch and continuous photocatalytic degradation of benzenesulfonic acid using concentrated solar radiation. Ind. Eng. Chem. Res. 2003, 42, (26),6705-6713

 

Hans Cerfontain; Ankie Koeberg-Telder; Cornelis Kruk. Solutes in sulfuric acid. Part VII. Ionization of benzenesulfonic acid; determination of pKBH by 13C NMR. Tetrahedron Letters. 1975, 16, (42),3639-3642

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H314-H318-H302

Causes severe skin burns and eye damage. Causes serious eye damage. Harmful if swallowed.

Mentions de prudence: P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P301+P312-P405-P501a

Do not breathe 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. Call a POISON CENTER or doctor/physician if you feel unwell. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Merck
14,1070
Beilstein
742513
Classe de danger
8
Groupe d'emballage
III
Code tarifaire harmonisé
2904.10
TSCA
Yes
RTECS
DB4200000

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Catalyseurs

Analytique et matériel de laboratoire