CAS Number
SIN Groups
Reason for inclusion on the SIN List
Substance is concluded to be an endocrine disruptor SVHC by ECHA Member State Committee.
Date for inclusion on the SIN List
2008 September
Hazard class and category code(s)
Source: ECHA
No harmonized CLP classification

Chemical information

4-tert-octylphenol ; 4-(1,1,3,3-tetramethylbutyl)phenol; 4-tert-octylphenol; p-(1,1,3,3-tetramethylbutyl)phenol; para-tert-octylphenol; 4-octyl-phenol; 4-tertiaryoctylphenol; p-tert-octylphenol; [CAS# 27193-28-8, (1,1,3,3-tetramethylbutyl)phenol]
EC number
(Bio)monitoring data
Yes, in human urine.; In human breast milk.; In river water, sediment, macroinvertebrates, and in fish bile.; In reclaimed water. ;In bile of Mediterranean fish.; In marine snails and oysters.; In groundwater and drinking water..; In river, estuarine and coastal waters, tissue of estuary-dwelling flounder (Platichthys flesus).; In plants and vegetables (due to the use of sewage sludge as fertilizer).
Possible uses
Source: CDC 2007, OSPAR 2006; Fiedler et al 2007; Ye et al 2006; European commission 2002
Laboratory products, production industry, textiles, tyres; agriculture; electrical insulating varnishes; printing inks; water-based paints; textile auxiliaries, manufacture of nonionic surfactants
Technical function of substances
Source: Calafat et al 2008, OSPAR 2006, CDC 2007; Fiedler et al 2007; Ye et al 2006; (1) European commission 2002; (2) HSDB
Surfactants, detergents; intermediate in manufacturing of formaldehyde resins, octylphenol ethoxylates, polycarbonate plastics, epoxy resins, surfactants, emulsion polymerisation, pesticide dispersant, rubber compounding; plasticiser, antioxidant, fuel oil stabiliser (1); lubricant additive (2)