| Identification | Back Directory | [Name]
SUDAN ORANGE G | [CAS]
2051-85-6 | [Synonyms]
SOG
SUDAN G
CI 11920
1504yellow
fatorangea
oilorangeg
oilorangemo
1504 Yellow
oilorange4g
oilyellowgg
fatorangegs
fatorangerg
foodorange3
GSudan Oran
FAT ORANGE G
ceresorangeg
Fat Orange A
oilorangemon
Oil Orange G
Oil Orange MO
Oil Orange 4G
Oil Yellow GG
sudanyellowar
Fat Orange GS
Fat Orange RG
ceresorangegn
fastoiloranget
fastoilyellowg
SUDAN ORANGE G
Ceres Orange G
resinolorangeg
Oil Orange MON
grasolyellowrsf
Sudan Yellow AR
organolorange2j
oilyellowgextra
Ceres orange GN
c.i.foodorange3
cerisolyellowgr
SOLVENT ORANGE 1
Resinol Orange G
lacquerorangev3g
oilorangemonextra
Organol Orange 2J
Fast Oil Orange T
Fast Oil Yellow G
Cerisol Yellow GR
Grasol Yellow RSF
Sudan red III (A)
tertrograsorangesg
fatvictoriayellowd
c.i.solventorange1
C.I. Food Orange 3
Oil-sol. Yellow Zh
Oil Yellow G Extra
hexacoloilyellowgg
Lacquer Orange V3G
oranzpotravinarska3
oranzrozpoustedlova1
plastoresinorangef3a
Tertrogras Orange SG
Oil Orange MON Extra
BENZENEAZORESORCINOL
Sudan Orange G, pure
benzenenazoresorcinol
Hexacol Oil Yellow GG
Oranz potravinarska 3
C.I. Solvent Orange 1
P-PHENYLAZORESORCINOL
Fat Victoria Yellow D
Oranz rozpoustedlova 1
Plastoresin Orange F3A
yellowmsolubleingrease
2,4-DIHYDROXYAZOBENZENE
4-(PHENYLAZO)RESORCINOL
Sudan Orange G, pure 5GR
Yellow M Soluble in Grease
sudan orange G (C.I. 11920)
SUDAN ORANGE G C.I.NO.11920
4-(phenylazo)-3-benzenediol
Sudan orange G (CI x 11920)
4-Phenylazo-benzene-1,3-diol
4-(PHENYLAZO)-1,3-BENZENEDIOL
3-Benzenediol,4-(phenylazo)-1
1,3-Benzenediol, 4-(phenylazo)-
Sudan Orange G/Solvent Orange 1
4-(Phenyldiazenyl)-1,3-benzenediol
2,4-Dihydroxyazobenzene, 4-(Phenylazo)resorcinol, SOG | [EINECS(EC#)]
218-131-9 | [Molecular Formula]
C12H10N2O2 | [MDL Number]
MFCD00002275 | [MOL File]
2051-85-6.mol | [Molecular Weight]
214.22 |
| Chemical Properties | Back Directory | [Appearance]
red-orange powder | [Melting point ]
143-146 °C(lit.)
| [Boiling point ]
354.35°C (rough estimate) | [density ]
1.2042 (rough estimate) | [refractive index ]
1.6660 (estimate) | [storage temp. ]
Amber Vial, Refrigerator, Under inert atmosphere | [solubility ]
DMSO (Slightly), Methanol (slightly) | [Colour Index ]
11920 | [form ]
Powder | [pka]
8.77±0.18(Predicted) | [color ]
Red-orange | [Water Solubility ]
0.2g/L(20 ºC) | [λmax]
388 nm | [BRN ]
958430 | [LogP]
1.003 (est) | [EPA Substance Registry System]
1,3-Benzenediol, 4-(phenylazo)- (2051-85-6) |
| Hazard Information | Back Directory | [Chemical Properties]
red-orange powder | [Uses]
Sudan Orange G is an oil soluble synthetic dye. Sudan Orange G can be degraded by a bacterial strain known as Pseudomonas putida MET94. Dyes and metabolites, Environmental Testing | [Preparation]
aniline diazo, Coupled with resorcinol. | [Properties and Applications]
bright orange. Yellow orange powder, melting point: 150 ~ 170 ℃ (usually products do not pure). Soluble in ethanol and aether (yellow), in the ethanol solubility of 0.2 ~ 0.3 g / 100ml, slightly soluble in water, but soluble in vegetable oil. The strong sulfuric acid to red light brown, for yellow brown solution diluted, and then into a dark orange precipitation; In 2% of sodium hydroxide solution (heating) for orange brown solution. Its water solution and strong hydrochloric acid color the darker, and then generate a shallow brown precipitation. Sun of resistance, alkali resistance is bad. And C.I.Solvent Orange 1?the same chemical structure. | [Purification Methods]
Crystallise the dye from hot EtOH (charcoal). [Beilstein 16 IV 264.] |
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