Pigment Red 149
- CAS NO.：4948-15-6
- Empirical Formula: C40H26N2O4
- Molecular Weight: 598.65
- MDL number: MFCD01318472
- EINECS: 225-590-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:27
What is Pigment Red 149?
The Uses of Pigment Red 149
Pigment red 149 (CAS# 4948-15-6) is a perylenediimide dye, and has been proposed for use as cost-efficient cathodes for lithium ion batteries. Pigment red 149 has also been implemented as a doping agent for poly(styrene-co-maleimide) nanoparticles for use as bioprobes for biotinylated antibodies.
Flammability and Explosibility
Not classified
Properties and Applications
|
TEST ITEMS |
SPECIFICATION |
|
APPEARANCE |
RED POWDER |
|
SHADE |
YELLOWISH |
|
HEAT RESISTANCE |
300 °C min |
|
LIGHT FASTNESS |
7-8 |
|
ACID RESISTANCE |
5 |
|
ALKALI RESISTANCE |
5 |
|
FASTNESS TO BLEEDING |
5 |
|
OIL ABSORPTION |
40-50% |
|
SPECIFIC SURFACE |
28m 2 /g |
|
DENSITY |
1.50 g/cm 3 |
|
RESIDUE ON 80 MESH |
5.0% max |
|
WATER SOLUBLE |
1.0% max |
|
VOLATITE 105 °C |
1.0% max |
|
TINTING STRENGTH |
100-105 % |
Properties of Pigment Red 149
| Melting point: | 200-201 °C |
| Density | 1.439±0.06 g/cm3(Predicted) |
| storage temp. | Room Temperature |
| solubility | Aqueous Acid (Slightly, Heated, Sonicated), DMSO (Slightly, Heated, Sonicated), |
| form | Solid |
| pka | 3.09±0.20(Predicted) |
| color | Red to Very Dark Red |
| Water Solubility | 1.4μg/L at 23℃ |
| λmax | 525nm(lit.) |
| EPA Substance Registry System | C.I. Pigment Red 149 (4948-15-6) |
Safety information for Pigment Red 149
Computed Descriptors for Pigment Red 149
| InChIKey | FDXVHZCFTCIKDD-UHFFFAOYSA-N |
New Products
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