Candidate List of substances of very high concern for Authorisation

Candidate List of substances of very high concern for Authorisation

(published in accordance with Article 59(10) of the REACH Regulation)

Candidate List of substances of very high concern for Authorisation


  • Authentic version: Only the Candidate List published on this website is deemed authentic. Companies may have immediate legal obligations following the inclusion of a substance in the Candidate List on this website including in particular Articles 7, 31 and 33 of the REACH Regulation.
  • Numerical identifiers: Each candidate list entry covers both anhydrous and hydrated forms of a substance. The CAS number shown in an entry is typically for the anhydrous form. Hydrated forms of the substance identified by other CAS numbers are still within the scope of the entry.
  • Other numerical identifiers: For those entries with "-" in the EC number and CAS number columns, a non-exhaustive inventory of EC and/or CAS Registry numbers describing substances or groups of substances considered to fall within the scope of the Candidate List entry is included, where practicably possible. This information can be accessed through the "Details" button of the selected entry. 

Tris(4-nonylphenyl, branched and linear) phosphite (TNPP) with ≥ 0.1% w/w of 4-nonylphenol, branched and linear (4-NP)

EC No.: - CAS No.: -
Reason for inclusion
Endocrine disrupting properties (Article 57(f) - environment)
Date of inclusion
IUCLID dataset
Support document
Response to comments

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Group members
This group of substance has the following member substances:
Results list is empty
Name EC / List no. CAS no. Association
Phenol, 4-nonyl-, phosphite (3:1) - 3050-88-2 Official source
tris(nonylphenyl) phosphite 247-759-6 26523-78-4 Official source
tris(4-nonylphenyl, branched) phosphite - - Official source
Phenol, p-isononyl-, phosphite (3:1) - 31631-13-7 Expert judgement
Phenol, p-sec-nonyl-, phosphite - 106599-06-8 Expert judgement

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