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556-10-5

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556-10-5 Structure

556-10-5 Structure
IdentificationBack Directory
[Name]

4-NITROPHENYLUREA
[CAS]

556-10-5
[Synonyms]

ENT 61327
NSC 227938
p-Nitrophenylurea
4-NITROPHENYLUREA
N-(p-Nitrophenyl)urea
1-(4-Nitrophenyl)urea
1-(p-Nitrophenyl)urea
(4-Nitrophenyl)urea>
Urea, N-(4-nitrophenyl)-
[Molecular Formula]

C7H7N3O3
[MDL Number]

MFCD09040599
[MOL File]

556-10-5.mol
[Molecular Weight]

181
Chemical PropertiesBack Directory
[Melting point ]

150℃
[Boiling point ]

314.24°C (rough estimate)
[density ]

1.490
[refractive index ]

1.5860 (estimate)
[solubility ]

soluble in Methanol,Ethanol,Dimethylformamide
[form ]

powder to crystal
[pka]

13.79±0.70(Predicted)
[color ]

Light yellow to Yellow to Orange
[λmax]

327nm(EtOH)(lit.)
[Merck ]

14,6626
[CAS DataBase Reference]

556-10-5
Safety DataBack Directory
[HS Code ]

2924.21.5000
Hazard InformationBack Directory
[Purification Methods]

Crystallise the urea from EtOH or hot water. UV has max at 322nm (EtOH). [Beilstein 12 II 392, 12 III 1617, 12 IV 1645.]
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