BD2736048
1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol , 97% , 2425-85-6
Synonym(s):
Pigment Red 3
CAS NO.：2425-85-6
Empirical Formula: C17H13N3O3
Molecular Weight: 307.3
MDL number: MFCD00003910
EINECS: 219-372-2
| Pack Size | Price | Stock | Quantity |
| 1g | RMB62.40 | In Stock |
|
| 5g | RMB245.60 | In Stock |
|
| 25g | RMB481.60 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 270-272 °C(lit.) |
| Boiling point: | 447.81°C (rough estimate) |
| Density | 1.1873 (rough estimate) |
| refractive index | 1.6500 (estimate) |
| solubility | Chloroform (Slightly, Heated), DMSO (Slightly), Toluene (Very Slightly) |
| Colour Index | 12120 |
| pka | 13.45±0.50(Predicted) |
| Water Solubility | 211μg/L at 20℃ |
| Stability: | Stable. May be moisture sensitive. Incompatible with strong oxidizing agents. |
| LogP | 5.4 at 25℃ |
Description and Uses
C.I. Pigment Red 3, 12120 [2425-85-6] is a good representative of monoazopigments of the β-naphthol type and is one of the most important organic pigments.
Toluidine Red is a oil soluble dye. Toluidine Red has been shown to cause hematopoietic cell proliferation in the spleen, liver, and bone marrow of rats. Dyes and metabolites, Environmental Testing
Safety
| Symbol(GHS) |   GHS05,GHS09 |
| Signal word | Danger |
| Hazard statements | H318-H410 |
| Precautionary statements | P273-P280-P305+P351+P338-P501 |
| Hazard Codes | Xi,N |
| Risk Statements | 41-50/53 |
| Safety Statements | 26-39-60-61 |
| RIDADR | UN 3077 9/PG 3 |
| WGK Germany | 3 |
| RTECS | QK4247000 |
