Pigment Red 3
Synonym(s):Pigment Red 3
- CAS NO.:2425-85-6
- Empirical Formula: C17H13N3O3
- Molecular Weight: 307.3
- MDL number: MFCD00003910
- EINECS: 219-372-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-15 10:43:27
What is Pigment Red 3?
Description
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.
Chemical properties
red to orange powder
The Uses of Pigment Red 3
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
What are the applications of Application
Pigment red 3 is a cell proliferation activator
Definition
ChEBI: CI Pigment Red 3 is a member of azobenzenes.
General Description
Yellowish-red to red powder or solid.
Air & Water Reactions
Sensitive to moisture Dust suspensions in air can be explosive at certain concentrations. Insoluble in water.
Reactivity Profile
Pigment Red 3 may form toxic gases with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. May form flammable gases with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.
Fire Hazard
Flash point data for Pigment Red 3 are not available; however, Pigment Red 3 is probably combustible.
Flammability and Explosibility
Non flammable
Properties and Applications
TEST ITEMS |
SPECIFICATION |
APPEARANCE |
DARK RED POWDER |
SHADE |
BLUISH |
HEAT RESISTANCE |
140 °C min |
LIGHT FASTNESS |
7 |
ACID RESISTANCE |
5 |
ALKALI RESISTANCE |
5 |
FASTNESS TO BLEEDING |
4 |
OIL ABSORPTION |
40-45% |
SPECIFIC SURFACE |
28 m 2 /g |
DENSITY |
1.60 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 3
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) |
form | neat |
Water Solubility | 211μg/L at 20℃ |
Stability: | Stable. May be moisture sensitive. Incompatible with strong oxidizing agents. |
CAS DataBase Reference | 2425-85-6(CAS DataBase Reference) |
NIST Chemistry Reference | 2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-(2425-85-6) |
IARC | 3 (Vol. 57) 1993 |
EPA Substance Registry System | C.I. Pigment Red 3 (2425-85-6) |
Safety information for Pigment Red 3
Signal word | Danger |
Pictogram(s) |
Corrosion Corrosives GHS05 Environment GHS09 |
GHS Hazard Statements |
H318:Serious eye damage/eye irritation H410:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P501:Dispose of contents/container to..… |
Computed Descriptors for Pigment Red 3
Abamectin manufacturer
Mehul Dye Chem Industries
Saujanya Dyestuffs
Jagson Colorchem Limited
Alliance Organic LLP
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