| Identification | More | [Name]
Pigment Orange 5 | [CAS]
3468-63-1 | [Synonyms]
1-(2,4-DINITROPHENYLAZO)-2-NAPHTHOL
c.i. 12075
PERMANENT ORANGE
PIGMENT ORANGE 5
1-((2,4-dinitrophenyl)azo)-2-naphtho
1-[(2,4-dinitrophenyl)azo]-2-naphthaleno
11048orange
brillianttangerine13030
C.I.Pigmentorange5
C.I.PigmentOrange5(12075)
calcotoneorange2r
carneliored2g
chromatexoranger
dainichipermanentredgg
dandcorangeno.17
dinitranilineorange
dinitroanilineorangend-204
dinitroanilinered
fastonared2g
graphtolred2gl | [EINECS(EC#)]
222-429-4 | [Molecular Formula]
C16H10N4O5 | [MDL Number]
MFCD00059524 | [Molecular Weight]
338.27 | [MOL File]
3468-63-1.mol |
| Chemical Properties | Back Directory | [Melting point ]
306°C(lit.) | [Boiling point ]
474.44°C (rough estimate) | [density ]
1.3138 (rough estimate) | [refractive index ]
1.6300 (estimate) | [storage temp. ]
Amber Vial, -20°C Freezer | [solubility ]
Chloroform (Very Slightly), Tetrahydrofuran (Slightly, Heated) | [Colour Index ]
12075 | [form ]
Solid | [pka]
13.45±0.50(Predicted) | [color ]
Orange to Dark Red | [BRN ]
964718 | [LogP]
3.610 (est) | [CAS DataBase Reference]
3468-63-1(CAS DataBase Reference) | [EPA Substance Registry System]
3468-63-1(EPA Substance) |
| Hazard Information | Back Directory | [Uses]
Permanent Orange (cas# 3468-63-1) is a useful research chemical. Dyes and metabolites, Environmental Testing. | [General Description]
Pigment orange 5 is an azo pigment, which can be produced industrially by a diazotization and coupling sequence in which diazotized dinitroaniline is coupled into β-naphthol. | [Properties and Applications]
|
TEST ITEMS
|
SPECIFICATION
|
|
APPEARANCE
|
ORANGE POWDER
|
|
SHADE
|
YELLOWISH
|
|
HEAT RESISTANCE
|
140 °C min
|
|
LIGHT FASTNESS
|
7
|
|
ACID RESISTANCE
|
5
|
|
ALKALI RESISTANCE
|
5
|
|
FASTNESS TO BLEEDING
|
5
|
|
OIL ABSORPTION
|
35-40%
|
|
SPECIFIC SURFACE
|
30 m
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 %
|
|
|
|