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Guaiacolsulfonic acid (also called sulfoguaiacolum) is an aromatic sulfonic acid used in medicine as an expectorant. [1] See also. Guaiacol; References
This acid undergoes a decarboxylation to afford vanillin. [16] The crude vanillin product can then be purified with vacuum distillation and recrystallization. Guaiacol is also used medicinally as an expectorant , antiseptic , and local anesthetic .
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General structure of a sulfonic acid with the functional group indicated in blue. In organic chemistry, sulfonic acid (or sulphonic acid) refers to a member of the class of organosulfur compounds with the general formula R−S(=O) 2 −OH, where R is an organic alkyl or aryl group and the S(=O) 2 (OH) group a sulfonyl hydroxide. [1]
Image credits: voron_gosha_tv These intelligent birds can be befriended by offering nutritious food, which gives an opportunity to observe their behaviors and understand them more, says Clark.
Sulfamic acid is a moderately strong acid, K a = 0.101 (pK a = 0.995). Because the solid is not hygroscopic, it is used as a standard in acidimetry (quantitative assays of acid content). H 3 NSO 3 + NaOH → NaH 2 NSO 3 + H 2 O. Double deprotonation can be effected in liquid ammonia to give the anion HNSO 2− 3. [6] H 3 NSO 3 + 2 NH 3 → HNSO ...
Polyglutamic acid (aka PGA) is a humectant and water-based component, so expect moisture (and lots of it). Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways ...
Guaifenesin might act as an expectorant by increasing the volume and reducing the viscosity of secretions in the trachea and bronchi via stimulation of the gastric mucosa. . This stimulation leads to an increased parasympathetic activity in the respiratory tract via the so-called gastro-pulmonary reflex, although some in vitro studies suggested that it might also act directly on the ...