1.0 2026-04-05 01:01:49 UTC 2026-08-29 06:15:26 UTC Barium bis[5-chloro-4-ethyl-2-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate] SmallMolecule Barium bis[5-chloro-4-ethyl-2-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate] belongs to the naphthols and derivatives, a subclass of naphthalenes within the organic compounds. With an average molecular weight of 916.99 g/mol, Barium bis[5-chloro-4-ethyl-2-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate] is a heavy molecule. Its chemical formula is C18H15ClN2O4S. This compound has been identified in or released from 19 recorded sources across multiple sectors. Within drinking water and water supply, it is found in tap water, bottled water, desalinated water, and general drinking water. It occurs in aquatic systems and sediments, including seawater, freshwater, surface water, and groundwater. In the sector of wastewater, sanitation, and biosolids, it is present in wastewater, unspecified wastewater, mine wastewater, and wastewater treatment effluent. Additionally, the compound is associated with appliances, HVAC, and refrigerants, specifically appearing in water heaters and water coolers. It is also found in marine, shipping, and aquaculture sources such as bilge water and ballast water, as well as in agriculture and land management through irrigation water, along with two other sectors. Recorded routes of exposure for this compound include oral, inhalation, and touch. PMT C18H15ClN2O4S 916.99 390.0441056 CCC1=CC(=C(C=C1Cl)S(=O)(=O)O)N=NC2=C(C=CC3=CC=CC=C32)O InChI=1/2C18H15ClN2O4S.Ba/c2*1-2-11-9-15(17(10-14(11)19)26(23,24)25)20-21-18-13-6-4-3-5-12(13)7-8-16(18)22;/h2*3-10,22H,2H2,1H3,(H,23,24,25);/q;;+2/p-2 XUDYBFMSKKDOQA-UHFFFAOYSA-L Detected and Not Quantified logp 4.8 average_mass 916.99 ChemAxon mono_mass 390.0441056 ChemAxon smiles CCC1=CC(=C(C=C1Cl)S(=O)(=O)O)N=NC2=C(C=CC3=CC=CC=C32)O ChemAxon formula C18H15ClN2O4S ChemAxon inchi InChI=1/2C18H15ClN2O4S.Ba/c2*1-2-11-9-15(17(10-14(11)19)26(23,24)25)20-21-18-13-6-4-3-5-12(13)7-8-16(18)22;/h2*3-10,22H,2H2,1H3,(H,23,24,25);/q;;+2/p-2 ChemAxon inchikey XUDYBFMSKKDOQA-UHFFFAOYSA-L ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f727e4e8660> 105634