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2051-85-6

2051-85-6 Structure

2051-85-6 Structure
IdentificationBack 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 PropertiesBack 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
[Major Application]

cleaning products
cosmetics
food and beverages
personal care
[Cosmetics Ingredients Functions]

HAIR DYEING
COLORANT
[InChI]

1S/C12H10N2O2/c15-10-6-7-11(12(16)8-10)14-13-9-4-2-1-3-5-9/h1-8,15-16H/b14-13+
[InChIKey]

BPTKLSBRRJFNHJ-BUHFOSPRSA-N
[SMILES]

Oc1ccc(\N=N\c2ccccc2)c(O)c1
[LogP]

1.003 (est)
[EPA Substance Registry System]

1,3-Benzenediol, 4-(phenylazo)- (2051-85-6)
Hazard InformationBack 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.]
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

36/37/38
[Safety Statements ]

26-36
[WGK Germany ]

3
[RTECS ]

CZ9027500
[TSCA ]

TSCA listed
[HS Code ]

32041200
[Storage Class]

11 - Combustible Solids
[Hazard Classifications]

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
Spectrum DetailBack Directory
[Spectrum Detail]

SUDAN ORANGE G(2051-85-6)MS
SUDAN ORANGE G(2051-85-6)1HNMR
SUDAN ORANGE G(2051-85-6)13CNMR
SUDAN ORANGE G(2051-85-6)IR1
SUDAN ORANGE G(2051-85-6)IR2
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