This chemical is called Sodium alkylbenzene sulfonate, and it's also named as Benzenesulfonic acid, linear alkyl-, sodium salt. With the CAS registry number of 68411-30-3,  its product categories are Industrial Surfactant; Chemical Additives; Anionic Surfactants. The Sodium alkylbenzene sulfonate, soluble in water and stable in acid medium, is light yellow liquid. In addition, its relative density is 0.864 ~ 0.866. The Sodium alkylbenzene sulfonate is served as emulsifier and the emulsified oil used in preparation of fully mechanized coal mining machinery. It's also used as a cosolvent.

You can still convert the following datas into molecular structure:
(1)SMILES:[Na+].[O-]S(=O)(=O)c1ccc(CCCCCCCCCCC)cc1;
(2)Std. InChI:InChI=1S/C17H28O3S.Na/c1-2-3-4-5-6-7-8-9-10-11-16-12-14-17(15-13-16)21(18,19)20;/h12-15H,2-11H2,1H3,(H,18,19,20);/q;+1/p-1;
(3)Std. InChIKey:BBXSRNGXHHCIMV-UHFFFAOYSA-M

The toxicity data of Sodium alkylbenzene sulfonate is as follows: