What can you find here? Basic information (general, chemical) on a colorant and a grouped collection of links for your research. Also some dry pigment properties when available and safety information.
See also Single pigment art material properties

Health & Safety Information

Warning
For informational purposes only. Toxicity can depend on the individual product, the exact chemical composition, the used binder, and many other factors. Always check your product's safety data sheet, and follow the basic studio hygenie practices, especially when handling dry pigments.
Sources and references
  1. 4-[[5-(anilino)carbonyl-2-methoxyphenyl]azo]-3-hydroxynaphthalene-2-carboxamide European Chemicals Agency (ECHA)
Updated at October 06, 2023 from Pubchem and dry pigment product safety data sheets.
Hazard Statements
  • H413 May cause long lasting harmful effects to aquatic life
Disclaimer
Data is aggregated from multiple sources prioritizing the most stringent hazard statements. Individual products may have different attributes. Always read the product's safety data sheet.
Precautionary Statements
  • P273 Avoid release to the environment.
  • P501 Dispose of contents/container to in accordance with local/regional/national/international regulation.

Chemical descriptors

IUPAC Name
3-hydroxy-4-[[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl]naphthalene-2-carboxamide
INCHI
InChI=1S/C25H20N4O4/c1-33-21-12-11-16(25(32)27-17-8-3-2-4-9-17)14-20(21)28-29-22-18-10-6-5-7-15(18)13-19(23(22)30)24(26)31/h2-14,30H,1H3,(H2,26,31)(H,27,32)
INCHI Key
LFFICOHZNUVGRZ-UHFFFAOYSA-N
Canonical Smiles
COC1=C(C=C(C=C1)C(=O)NC2=CC=CC=C2)N=NC3=C(C(=CC4=CC=CC=C43)C(=O)N)O
Basic molecular Formula / primary chemistry
C25H20N4O4
Molecular Structure
Generated with RDKit.

Groups

Used together with

PR4
PR3
Click for search results with PR150 used together with other pigments in convenience mixtures (multi-pigment paints) or other art materials in our database.
Tip: You can also search for combinations by entering two or more pigment codes directly in the "Search" box.