sulphonic acid


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

sulphonic acid

(sʌlˈfɒnɪk)
n
(Elements & Compounds) any of a large group of strong organic acids that contain the group –SO2OH and are used in the manufacture of dyes and drugs
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sulphonic acid - an acid derived from sulphuric acid
acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
References in periodicals archive ?
Phthalic anhydride (PA) and p-toluene sulphonic acid (pTSA) were procured from Merck, India.
Analytical grade EG, acetic anhydride, pyridine, potassium hydroxide, phenol, tetrachloroethane (TCE), sebacic acid, glycerol, p-toluene sulphonic acid (p-TSA), zinc acetate (ZnAc), xylene, and methyl ethyl ketone (MEK) were purchased from SD Fine chemicals India and used without any further purification.
Supply of (a) 2,000 tons of sodium silicate in liquid form, also (b) 250 tons sulphonic acid of 96 % concentration.
Low-cost shampoos and hair dyes contain chemicals including lineralkoil benzene and sulphonic acid, which are used in carpet manufacturing and car washing products, and PPD chemicals that may cause skin cancer or permanent hair fall and allergy problems.
Different acidic groups such as carboxylic and sulphonic acid also get converted into their sodium forms which have been shown to promote heavy-metal ion adsorption 36].
Low-cost shampoos and hair dyes contain chemicals including lineralkoil benzene and sulphonic acid which are used in carpet manufacturing and car washing products and PPD chemicals that may cause skin cancer or permanent hair fall and allergy problems.
Perez and Santra produced hyperbranched amphiphilic polyesters by drying under vacuum a mixture of 2-(4-hydroxybutyl)-malonic acid and a p-toluene sulphonic acid catalyst.
9m) term loans of Indian producer of linear alkyl benzene sulphonic acid (LABSA) Advance Surfactants India Limited (ASIL).
This can be explained by the fact that while increasing the amount of HAP in the composite, the HAP molecules can occupy the gaps between the polymer molecule and interactions are possible between the sulphonic acid group and the hydroxyl group of the HAP.
With this aim, acrylic acid-4-amino benzene sulphonic acid copolymer of appropriate molecular size was synthesized, characterized and its carbonate scale inhibition efficiency demonstrated through static and dynamic tests along with investigation on the scale inhibition mechanism.
The production of key intermediate for azo and naphthol pigments--such as 6-amino-4-chloro-m-toluene sulphonic acid (2B acid), 4-amino-mtoluene sulphonic acid (4B acid) and dichlorobenzidine (DCB)--has been concentrated in and around Tianjin, 125 kilometers south of Beijing.