| Identification | More | [Name]
Pigment Red 3 | [CAS]
2425-85-6 | [Synonyms]
1-(4-METHYL-2-NITROPHENYLAZO)-2-NAPHTHOL
CI 12120
PIGMENT RED 3
PR 3
RW RED RN
TOLUIDINE RED
TOLUIDINE TONER
((4-Methyl-2-nitrophenyl)azo)-2-naphthol
1-((2-nitro-4-methylphenyl)azo)-2-naphthol
1-((4-methyl-2-nitrophenyl)azo)-2-naphthaleno
1-((4-methyl-2-nitrophenyl)azo)-2-naphthalenol
1-(o-nitro-p-tolylazo)-2-naphthol
1-[(4-methyl-2-nitrophenyl)azo]-2-naphthaleno
Accosperse Toluidine Red XL
accospersetoluidineredxl
ADC Toluidine Red B
adctoluidineredb
atlasolspiritred3
Basoflex Red 361
C.I. Pigment Red 3 | [EINECS(EC#)]
219-372-2 | [Molecular Formula]
C17H13N3O3 | [MDL Number]
MFCD00003910 | [Molecular Weight]
307.3 | [MOL File]
2425-85-6.mol |
| Safety Data | Back Directory | [Hazard Codes ]
Xi,N | [Risk Statements ]
R41:Risk of serious damage to eyes.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S39:Wear eye/face protection .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet . | [RIDADR ]
UN 3077 9/PG 3 | [WGK Germany ]
3 | [RTECS ]
QK4247000 | [Hazardous Substances Data]
2425-85-6(Hazardous Substances Data) |
| Hazard Information | Back Directory | [General Description]
Yellowish-red to red powder or solid. | [Reactivity Profile]
C.I. PIGMENT RED 3(2425-85-6) 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. | [Air & Water Reactions]
Sensitive to moisture Dust suspensions in air can be explosive at certain concentrations. Insoluble in water. | [Fire Hazard]
Flash point data for this chemical are not available; however, C.I. PIGMENT RED 3 is probably combustible. | [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 | [Uses]
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 | [Definition]
ChEBI: CI Pigment Red 3 is a member of azobenzenes. | [Flammability and Explosibility]
Nonflammable | [Properties and Applications]
|
TEST ITEMS
|
SPECIFICATION
|
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APPEARANCE
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DARK RED POWDER
|
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SHADE
|
BLUISH
|
|
HEAT RESISTANCE
|
140 °C min
|
|
LIGHT FASTNESS
|
7
|
|
ACID RESISTANCE
|
5
|
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ALKALI RESISTANCE
|
5
|
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FASTNESS TO BLEEDING
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4
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OIL ABSORPTION
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40-45%
|
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SPECIFIC SURFACE
|
28 m
2
/g
|
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DENSITY
|
1.60 g/cm
3
|
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RESIDUE ON 80 MESH
|
5.0% max
|
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WATER SOLUBLE
|
1.0% max
|
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VOLATITE 105 °C
|
1.0% max
|
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TINTING STRENGTH
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100-105 %
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