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Alkylbenzene sulphonates

Alkylbenzene sulphonates belong to the group of anionic surfactants. They are formed by sulfonation of alkylbenzene, usually containing a linear chain of 10-13 carbon atoms. As a result, alkylbenzene sulphonic acid (ABS acid) is obtained. In the next stage, it is neutralized with sodium hydroxide, which results in obtaining alkylbenzene sulphonic acid sodium salt. The sulfonating agent may be oleum i.e. a mixture of sulphuric acid and sulphur trioxide, sulphur trioxide gas, or chlorosulphonic acid.

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ABS Acid (Dodecylbenzenesulfonic Acid) ABS acid is an anionic surfactant of the alkylbenzene sulfonate group, in acid form. Due to its acidic form, the product is available with an active content of more...
Composition
Alkylbenzene sulphonates
CAS No.
85536-14-7
ABS Acid (Dodecylbenzenesulfonic Acid)
ABS Acid/1 (Dodecylbenzenesulfonic Acid) ABS/1 is a product of the alkylbenzene sulfonates group, belonging to the group of anionic surfactants. In chemical terms, it is a product very similar to ABS Acid,...
Composition
Alkylbenzene sulphonates
CAS No.
85536-14-7
ABS Acid/1 (Dodecylbenzenesulfonic Acid)
ABSNa 30 (Sodium Dodecylbenzenesulfonate) ABSNa 30 is 30% sodium alkylbenzenesulphonic acid salt and belongs to the group of anionic surfactants. This product is in the form of a clear or turbid liquid of...
Composition
Alkylbenzene sulphonates
CAS No.
68411-30-3
ABSNa 30 (Sodium Dodecylbenzenesulfonate)
ABSNa 50 (Sodium Dodecylbenzene Sulfonate) ABSNa 50 belongs to the group of anionic surfactants and is the sodium salt of alkyl benzene sulfonic acid with a concentration of 50%. The product is in the form...
Composition
Alkylbenzene sulphonates, Salts
CAS No.
68411-30-3
ABSNa 50 (Sodium Dodecylbenzene Sulfonate)
ABSNa 25 (Sodium Dodecylbenzenesulfonate) ABSNa 25 is a sodium salt of alkylbenzene sulfonic acid with the INCI name: Sodium dodecylbenzenesulfonate. It belongs to the group of anionic surfactants. The active...
Composition
Alkylbenzene sulphonates
CAS No.
68411-30-3
ABSNa 25 (Sodium Dodecylbenzenesulfonate)
ABSNa 60 (Sodium Dodecylbenzene Sulfonate) ABSNa 60 belongs to the group of anionic surfactants and it is a sodium salt of alkylbenzene sulfonic acid with a concentration of 60%. The product is provided in...
Composition
Salts, Alkylbenzene sulphonates
CAS No.
68411-30-3
ABSNa 60 (Sodium Dodecylbenzene Sulfonate)
EXOcal 60 EXOcal 60 belongs to the group of anionic surfactants of the alkylbenzenesulfonic acid calcium salt type. The EXOcal series is a family of highly versatile and functional...
Composition
Alkylbenzene sulphonates, Mixtures
EXOcal 60
EXOcal 60B (Calcium alkylbenzenesulfonate, solution in isobutanol) EXOcal 60B is an anionic surfactant from the group of calcium salts of alkyl benzene sulphonic acid. The EXOcal series is a family of versatile and functional anionic...
Composition
Alkylbenzene sulphonates, Mixtures
EXOcal 60B  (Calcium alkylbenzenesulfonate, solution in isobutanol)
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Alkylbenzene sulphonates belong to the group of anionic surfactants. They are formed by sulfonation of alkylbenzene, usually containing a linear chain of 10-13 carbon atoms. As a result, alkylbenzene sulphonic acid (ABS acid) is obtained. In the next stage, it is neutralized with sodium hydroxide, which results in obtaining alkylbenzene sulphonic acid sodium salt. The sulfonating agent may be oleum i.e. a mixture of sulphuric acid and sulphur trioxide, sulphur trioxide gas, or chlorosulphonic acid.

In this group of compounds, the remaining sulphone is a hydrophilic group, while the alkylbenzene chain is hydrophobic. The representative of this group of anionic surfactants produced in the largest quantities is sodium dodecylbenzene sulphonate, i.e. ABSNa.

Physico-chemical properties

Alkylbenzene sulphonates containing linear alkyl chain in their structure are much more biodegradable compared to their branched equivalents. Products obtained in the reaction with alkylbenzene containing a longer carbon chain have better surface-active properties, but are less soluble in water. ABS in the form of acid usually has a very high concentration of the active substance – between 96 and 98%, while its sodium salts have active substance concentration ranging from 30 to 75%.

Alkylbenzene sulphonates are well soluble in water. They exhibit detergent and wetting properties and have the ability to form high and dense foam. They are stable in mixtures with all non-ionic and amphoteric surfactants, but are not compatible with cationic compounds and enzymes.

Application

Alkylbenzene sulphonates are widely used in the production of washing powders and liquids as well as cleaning and washing preparations. Due to their strong degreasing properties, they are not used in the formulas of shampoos and body wash products. They are adopted in industrial processes, such as emulsion polymerization and production of plant protection products.