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1967-25-5

Basic Information
CAS No.: 1967-25-5
Name: 4-Bromophenylurea
Article Data: 34
Molecular Structure:
Molecular Structure of 1967-25-5 (4-Bromophenylurea)
Formula: C7H7BrN2O
Molecular Weight: 215.049
Synonyms: Urea,(4-bromophenyl)- (9CI);Urea, (p-bromophenyl)- (6CI,7CI,8CI);(p-Bromophenyl)urea;1-(p-Bromophenyl)urea;4-Bromophenylurea;
Density: 1.708 g/cm3
Melting Point: 225-227 °C
Boiling Point: 290.9 °C at 760 mmHg
Flash Point: 129.7 °C
Safety: 22-24/25
PSA: 55.12000
LogP: 2.71300
Synthetic route
64-10-8

phenyl carbamate

1967-25-5

4-bromophenylurea

Conditions
ConditionsYield
With sodium anthraquinone-2-sulfonate; trifluoroacetic acid; sodium bromide In water; acetonitrile at 20℃; for 4h; Irradiation; Sealed tube; regioselective reaction;93%
With tribromo-isocyanuric acid In acetonitrile at 25℃; regioselective reaction;84%
With chloroform; bromine
With bromine; acetic acid
917-61-3

sodium isocyanate

106-40-1

4-bromo-aniline

1967-25-5

4-bromophenylurea

Conditions
ConditionsYield
With acetic acid In water for 0.5h;89%
With acetic acid In water at 50℃; for 2h;78.8%
In water; acetic acid at 20℃;
590-28-3

potassium cyanate

106-40-1

4-bromo-aniline

1967-25-5

4-bromophenylurea

Conditions
ConditionsYield
With hydrogenchloride In water for 0.25h; Heating;81%
With hydrogenchloride In water at 20℃; for 12h; Inert atmosphere;80%
With acetic acid In water for 1h;76.7%
698-67-9

p-bromobenzamide

1967-25-5

4-bromophenylurea

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene; ammonia In methanol at 0 - 20℃; for 2h; Hofmann Rearrangement; Inert atmosphere;73%

N-(p-bromophenyl)-N'-trimethylsilylurea

1967-25-5

4-bromophenylurea

Conditions
ConditionsYield
In diethyl ether; water50%
626-36-8

ethyl allophanate

106-40-1

4-bromo-aniline

1967-25-5

4-bromophenylurea

Conditions
ConditionsYield
at 140℃;
at 140℃;
85754-34-3

C7H6BrN3O2

1967-25-5

4-bromophenylurea

Conditions
ConditionsYield
chloromethyl formate In methanol; water at 25℃; Rate constant; Thermodynamic data; μ=1.0 mol*l-1; ΔH(excit.), -ΔS(excit.);
64-10-8

phenyl carbamate

7726-95-6

bromine

64-19-7

acetic acid

1967-25-5

4-bromophenylurea

106-40-1

4-bromo-aniline

sodium cyanate

sodium cyanate

1967-25-5

4-bromophenylurea

Conditions
ConditionsYield
With acetic acid
15736-98-8

sodium cyanate

106-40-1

4-bromo-aniline

1967-25-5

4-bromophenylurea

Conditions
ConditionsYield
With acetic acid
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  • (4-Bromophenyl)urea 1-(4-BROMOPHENYL)UREA (P-BROMOPHENYL) UREA 1967-25-5 98% min

  • Casno:

    1967-25-5

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  • 4-Bromophenylurea

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    1967-25-5

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  • 1967-25-5

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  • 4-Bromophenylurea

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    1967-25-5

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  • 4-Bromophenylurea

  • Casno:

    1967-25-5

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    1967-25-5

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  • Casno:

    1967-25-5

    4-BroMophenylurea

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  • (4-bromophenyl)urea

  • Casno:

    1967-25-5

    (4-bromophenyl)urea

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Specification

The Urea,N-(4-bromophenyl)-, with the CAS registry number 1967-25-5, is also known as 1-(4-Bromophenyl)urea. This chemical's molecular formula is C7H7BrN2O and molecular weight is 215.05. What's more, its IUPAC name is called (4-Bromophenyl)urea.

Physical properties about Urea,N-(4-bromophenyl)- are: (1) ACD/LogP: 1.98; (2) # of Rule of 5 Violations: 0; (3) ACD/LogD (pH 5.5): 1.98; (4) ACD/LogD (pH 7.4): 1.98; (5) ACD/BCF (pH 5.5): 18.83; (6) ACD/BCF (pH 7.4): 18.83; (7) ACD/KOC (pH 5.5): 284.52; (8) ACD/KOC (pH 7.4): 284.52; (9) #H bond acceptors: 3; (10) #H bond donors: 3; (11) #Freely Rotating Bonds: 1; (12) Polar Surface Area: 23.55 Å2; (13) Index of Refraction: 1.671; (14) Molar Refractivity: 47.11 cm3; (15) Molar Volume: 125.8 cm3; (16) Surface Tension: 60.3 dyne/cm; (17) Density: 1.708 g/cm3; (18) Flash Point: 129.7 °C; (19) Enthalpy of Vaporization: 53.02 kJ/mol; (20) Boiling Point: 290.9 °C at 760 mmHg; (21) Vapour Pressure: 0.00202 mmHg at 25 °C; (22) Melting Point: 225-227 °C.

Uses of Urea,N-(4-bromophenyl)-: it is used to produce other chemicals. For example, it is used to produce 4-(4-Bromo-phenyl)-semicarbazide. The reaction occurs with reagent NH2NH2·H2O, NaOH, solvent Ethanol and other condition of heating for 3 hours. The yield is 78 %.



When you are dealing with this chemical, you should be very careful. The gas of this chemical can not be breathed. In addition, you should avoid contacting with skin and eyes.

You can still convert the following datas into molecular structure:
(1) SMILES: Brc1ccc(NC(=O)N)cc1
(2) InChI: InChI=1/C7H7BrN2O/c8-5-1-3-6(4-2-5)10-7(9)11/h1-4H,(H3,9,10,11)
(3) InChIKey: PFQUUCXMPUNRLA-UHFFFAOYAM