C.I. Pigment Red 149
pigment red 149
CAS: 4948-15-6
Molecular Formula: C40H26N2O4
C.I. Pigment Red 149 - Names and Identifiers
| Name | pigment red 149 |
| Synonyms | 71137 K3580 C.I. 71137 Pigment Red B pigment red 149 PERYLENE RED BL C.I. Pigment Red 149 Perylene tetracarboxylic acid-bis(3.5-dimethylphenyl)imide |
| CAS | 4948-15-6 |
| EINECS | 225-590-9 |
| InChI | InChI=1/C40H26N2O4/c1-19-13-20(2)16-23(15-19)41-37(43)29-9-5-25-27-7-11-31-36-32(40(46)42(39(31)45)24-17-21(3)14-22(4)18-24)12-8-28(34(27)36)26-6-10-30(38(41)44)35(29)33(25)26/h5-18H,1-4H3 |
| InChIKey | FDXVHZCFTCIKDD-UHFFFAOYSA-N |
C.I. Pigment Red 149 - Physico-chemical Properties
| Molecular Formula | C40H26N2O4 |
| Molar Mass | 598.65 |
| Density | 1.439±0.06 g/cm3(Predicted) |
| Melting Point | 200-201 °C |
| Water Solubility | 1.4μg/L at 23℃ |
| Solubility | Aqueous Acid (Slightly, Heated, Sonicated), DMSO (Slightly, Heated, Sonicated), |
| Appearance | Solid |
| Color | Red to Very Dark Red |
| Maximum wavelength(λmax) | ['525nm(lit.)'] |
| pKa | 3.09±0.20(Predicted) |
| Storage Condition | Room Temperature |
| Refractive Index | 1.821 |
| Physical and Chemical Properties | hue or color: blue Red relative density: 1.39 Bulk density/(lb/gal):11.7 melting point/℃:>450 average particle size/μm:0.07 specific surface area/(m2/g):59(Red B) oil absorption/(g/100g):66 hiding power: transparent diffraction curve:  reflection curve:  |
| Use | C.I. Pigment Red 149 pure slightly blue red, not only high coloring strength (using 0.15% concentration, you can get 1/3SD, and slightly blue pigment red 123, A pigment concentration higher than 20% is required) and excellent thermal stability. Polyolefin coloring can be processed at 300 ℃, soft PVC migration resistance is excellent; Also suitable for polyacrylonitrile and polypropylene pulp coloring, concentration of 0.1%-3% light fastness up to 7-8. |
C.I. Pigment Red 149 - Reference Information
| LogP | 0.13 at 23℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | mainly used for coloring plastics and coatings, and also used for coloring stock solution of synthetic fibers |
Last Update：2024-04-09 19:05:12
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