Pigment yellow 185
Appearance
![]() | |
Names | |
---|---|
Preferred IUPAC name
(2Z)-2-Cyano-N-methyl-2-[3-(2,4,6-trioxo-1,3-diazinan-5-ylidene)-2,3-dihydro-1H-isoindol-1-ylidene]acetamide | |
Other names
| |
Identifiers | |
3D model (JSmol)
|
|
ECHA InfoCard | 100.071.241 |
EC Number |
|
PubChem CID
|
|
UNII | |
CompTox Dashboard (EPA)
|
|
| |
| |
Properties | |
C16H11N5O4 | |
Molar mass | 337.295 g·mol−1 |
Appearance | yellow green solid |
Density | 1.576 g/cm3 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Pigment yellow 185 is an organic compound that is used as a green yellow pigment and optical brightener. It is classified as a derivative of isoindoline. This yellow green compound is prepared by addition of ammonia to phthalonitrile to give diiminoisoindole, which in turn condenses first with N-methylcyanoacetamide and then with barbituric acid.[1]
References
[edit]- ^ Radtke, Volker; Erk, Peter; Sens, Benno (2009). "Isoindoline pigments". In Faulkner, Edwin B.; Schwartz, Russell J. (eds.). High Performance Pigments (2nd ed.). Wiley-VCH. pp. 221–241. doi:10.1002/9783527626915.ch14. ISBN 978-3-527-62691-5.