| Identification | Back Directory | [Name]
Pigment Yellow 168 | [CAS]
71832-85-4 | [Synonyms]
C.I. 13960
Yellow WGP
Pigment Yellow 168
Plasco yellow 168
C.I.Pigment Yellow 168
GNVAIUQOKUQHAN-ZELMBCLWSA-N
Pigment yellow 168 (C.I. 13960)
calcium,4-[[1-(2-chloroanilino)-1,3-dioxobutan-2-yl]diazenyl]-3-nitrobenzenesulfonate
calcium bis[4-[[1-[[(2-chlorophenyl)amino]carbonyl]-2-oxopropyl]azo]-3-nitrobenzenesulphonate]
Benzenesulfonic acid, 4-1-(2-chlorophenyl)aminocarbonyl-2-oxopropylazo-3-nitro-, calcium salt (2:1)
Bis[4-[[1-[[(2-chlorophenyl)amino]carbonyl]-2-oxopropyl]azo]-3-nitrobenzenesulfonic acid]calcium salt
4-[[1-[[(2-Chlorophenyl)amino]carbonyl]-2-oxopropyl]azo]-3-nitrobenzenesulfonic acid, calcium salt (2:1)
Benzenesulfonic acid, 4-[2-[1-[[(2-c hlorophenyl)amino]carbonyl]-2-o xopropyl]diazenyl]-3-nitro-, calcium salt (2:1) | [EINECS(EC#)]
276-057-2 | [Molecular Formula]
C32H24CaCl2N8O14S2 | [MDL Number]
MFCD23160569 | [MOL File]
71832-85-4.mol | [Molecular Weight]
919.692 |
| Hazard Information | Back Directory | [Uses]
Pigment yellow 168 is a disazomethine dye with solid-state fluorescence.a biologically active chemical. | [Synthesis]
Method of preparing pigment yellow 168, comprising the steps of:
(1) dissolving 2-nitro-4-sulfoaniline, in hydrochloric acid;
(2) the solution is cooled down to less than 5 degrees Celsius in an ice bath;
(3) sodium nitrite is | [Properties and Applications]
|
TEST ITEMS
|
SPECIFICATION
|
|
APPEARANCE
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YELLOW POWDER
|
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SHADE
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GREENISH
|
|
HEAT RESISTANCE
|
280 °C min
|
|
LIGHT FASTNESS
|
7
|
|
ACID RESISTANCE
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5
|
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ALKALI RESISTANCE
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5
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FASTNESS TO BLEEDING
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5
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OIL ABSORPTION
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40-45%
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SPECIFIC SURFACE
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27 m
2
/g
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DENSITY
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1.60 g/cm
3
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RESIDUE ON 80 MESH
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5.0% max
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WATER SOLUBLE
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1.0% max
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VOLATITE 105 °C
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1.0% max
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TINTING STRENGTH
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100-105 %
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| [References]
[1] Pl?tner J, Dreuw A. Solid state fluorescence of Pigment Yellow 101 and derivatives: a conserved property of the individual molecules[J]. Physical Chemistry Chemical Physics, 2006, 8(10): 1197-1204. |
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