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

Dry pigment properties PR266

Swipe table below (only columns with available data are shown)
Oil Absorption Density /
Specific Gravity
pH Heat
Stability
Lightfastness
External links
Hangzhou Epsilon
Permanent Red F7RK
35–45 g oil / 100 g 1.33 g/cm3 6.0–8.0 180°C 7/8
Dry pigment properties are specific to individual pigment products. Values are not representative of the pigment itself or other art products containing the pigment. Check your product data sheet for relevant values.
See also full list of available dry pigment data for particle size, oil absorption, or density / specific gravity.

Health & Safety Information

No current health & safety warnings
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-[[4-(aminocarbonyl)phenyl]azo]-N-(2-ethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide European Chemicals Agency (ECHA)
Updated at October 06, 2023 from Pubchem and dry pigment product safety data sheets.
Hazard Statements
  • Not Classified
  • Reported as not meeting GHS hazard criteria by 720 of 793 companies
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.

Chemical descriptors

IUPAC Name
4-[(4-carbamoylphenyl)diazenyl]-N-(2-ethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide
INCHI
InChI=1S/C26H22N4O4/c1-2-34-22-10-6-5-9-21(22)28-26(33)20-15-17-7-3-4-8-19(17)23(24(20)31)30-29-18-13-11-16(12-14-18)25(27)32/h3-15,31H,2H2,1H3,(H2,27,32)(H,28,33)
INCHI Key
BGVYDWVAGZBEMJ-UHFFFAOYSA-N
Canonical Smiles
CCOC1=CC=CC=C1NC(=O)C2=CC3=CC=CC=C3C(=C2O)N=NC4=CC=C(C=C4)C(=O)N
Basic molecular Formula / primary chemistry
C26H22N4O4
Molecular Structure
Generated with RDKit.

Groups

Used together with

Click for search results with PR266 used together with other pigments in convenience mixtures (multi-pigment paints) or other art materials in our database.
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