| Identification | Back Directory | [Name]
Solvent Yellow 28 | [CAS]
5844-01-9 | [Synonyms]
C.I.20010
Oil Yellow GS
Einecs 227-436-6
Solvent Yellow 28
C.I.Solvent Yellow 28
Transparency Yellow S
C.I.Solvent Yellow 28:C.I.20010
2,4-Bis(phenylazo)-6-methylphenol
Phenol, 2-methyl-4,6-bis(2-phenyldiazenyl)-
(6E)-2-methyl-4-phenyldiazenyl-6-(phenylhydrazinylidene)cyclohexa-2,4-dien-1-one | [EINECS(EC#)]
227-436-6 | [Molecular Formula]
C19H16N4O | [MDL Number]
MFCD24450206 | [MOL File]
5844-01-9.mol | [Molecular Weight]
316.36 |
| Hazard Information | Back Directory | [Preparation]
aniline (2 Moore) diazotization and o-Cresol coupling. | [Properties and Applications]
yellow to orange (mineral oil). Soluble in ethanol and toluene, hardly soluble in water. In concentrated sulfuric acid to red light brown, dilution after dark brown solution, and then have yellow brown precipitation; In hot concentrated hydrochloric acid for yellow brown solution; At 2% hot sodium hydroxide solution for red light brown. Used for alcohol, esters, hydrocarbon solvent, oil and paraffin color.
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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Well
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117
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100≥180
Sublimation
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Well
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Well
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Well
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