5521-31-3

Name Pigment Red 179
CAS 5521-31-3
EINECS(EC#) 226-866-1
Molecular Formula C26H14N2O4
MDL Number MFCD00071975
Molecular Weight 418.4
MOL File 5521-31-3.mol

Chemical Properties

Melting point  >400°C
Boiling point  694.8±28.0 °C(Predicted)
density  1.594±0.06 g/cm3(Predicted)
storage temp.  Store at room temperature
form  powder
pka -2.29±0.20(Predicted)
color  Orange to Brown to Dark purple
Water Solubility  5.5μg/L at 23℃
semiconductor properties N-type (mobility=10-5cm2/V·s)
λmax 550nm(H2SO4)(lit.)
InChI InChI=1S/C26H14N2O4/c1-27-23(29)15-7-3-11-13-5-9-17-22-18(26(32)28(2)25(17)31)10-6-14(20(13)22)12-4-8-16(24(27)30)21(15)19(11)12/h3-10H,1-2H3
InChIKey PJQYNUFEEZFYIS-UHFFFAOYSA-N
SMILES C1(=O)C2=C3C4C(C5=CC=C6C7=C5C(C=4C=C2)=CC=C7C(=O)N(C)C6=O)=CC=C3C(=O)N1C
LogP -0.033 at 23℃
EPA Substance Registry System Anthra[2,1,9-def: 6,5,10-d'e'f'] diisoquinoline-1,3,8,10(2H, 9H)-tetrone, 2,9-dimethyl-(5521-31-3)

Safety Data

Hazard Codes  Xi
Risk Statements 
Safety Statements 
WGK Germany  3
RTECS  CB1590000
TSCA  TSCA listed
HS Code  2925.19.4200
REACH Registrations Active
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

Raw materials And Preparation Products

Hazard Information

Supplier