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The LAS(Linear Alkylbenzene Sulfonate,Linear Alkylbenzene Sulfonic Acid) molecule contains an aromatic ring sulfonated at the para position and attached to a linear alkyl chain at any position except the terminal carbons. The alkyl carbon chain typically has 10 to 14 carbon atoms and the linearity of the alkyl chains ranges from 87 to 98%. While commercial LAS consists of more than 20 individual the ratio of the various homologs and isomers, representing different alkyl chain lengths and aromatic ring positions along the linear alkyl chain, is relatively constant in currently produced products.
Linear Alkylbenzene Sulfonic Acid-Linear Alkylbenzene Sulfonate are supported as a category because of the close consistency of the mixtures, their commercial uses, fate, and health and environmental effects. LAS or LABSA(LABSA 96%) is the primary cleaning agent used in many laundry detergents and cleaners at concentrations up to 25 percent in consumer products, and up to 30 percent in commercial products, with the exception of one reported product at 45% percent in concentrated solid form that is mechanically dispensed into diluted solution for dishwashing.
The LABSA molecule contains an aromatic ring sulfonated at the para position and attached to a linear alkyl chain at any position except the terminal carbons.
LAS are supported as a category because of the close consistency of the mixtures, their commercial uses, fate, and health and environmental effects. LABSA is the primary cleaning agent used in many laundry detergents and cleaners at concentrations up to 25 percent in consumer products, and up to 30 percent in commercial products, with the exception of one reported product at 45% percent in concentrated solid form that is mechanically dispensed into diluted solution for dishwashing.