CAS Number
SIN Groups
Reason for inclusion on the SIN List
Nonylphenol is an endocrine disruptor (cat 1) and is classified as possibly toxic for reproduction (R3), It is also persistent and bio-accumulative and it has been found in humans and the environment.
Date for inclusion on the SIN List
2008 September
REACH status, appears on
Source: ECHA
Candidate list
Registration information
Source: ECHA
Full registration
Hazard class and category code(s)
Source: ECHA
No harmonized CLP classification

Chemical information

NP, p-nonylphenol, 4-nonylphenol - branched, p-nonylphenol, Data from any of the isomers are generally assumed to be representative for nonylphenol (NP), which is used as the generic name for the isomeres.
EC number
(Bio)monitoring data
Yes, in rivers, lakes, coastal-, ground-, effluent and drinking water, sediments, sewage sludge, algae, fish and seafood, wild mallard ducks and raw beef.; In human urine, >0.1 ug/l in 51% of samples (4-nonylphenol, which constitutes a fraction of the nonylphenol isomers in commercial mixtures).
Possible uses
Source: HSDB; El-Dakdoky & Helal (2007); Wada et al (2007); KEMI
Bactericides and fungicides, dyes, drugs, adhesives, resins, plasticizers, surface active agents; lubricating oils; petroleum processing; surfactants (esp. nonylphenolethoxylate)
Technical function of substances
Source: HSDB; CEPA (2001)
Stabilizer, surfactant, antioxidant, monomer and additive in polymer production and processing, catalyst


Company Group
Company Name
Service Provider

Sustainability Support Services (Europe) AB, Markaskälsvägen 6,22647, Lund, Sweden

Source: ECHA