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4-Nitrophenylurea

4-Nitrophenylurea Structure
4-Nitrophenylurea structure
CAS No.
556-10-5
Chemical Name:
4-Nitrophenylurea
Synonyms
ENT 61327;NSC 227938;p-Nitrophenylurea;4-Nitrophenylurea;1-(p-Nitrophenyl)urea;1-(4-Nitrophenyl)urea;N-(p-Nitrophenyl)urea;(4-Nitrophenyl)urea>Urea, N-(4-nitrophenyl)-
CBNumber:
CB01423912
Molecular Formula:
C7H7N3O3
Molecular Weight:
181.15
MDL Number:
MFCD09040599
MOL File:
556-10-5.mol
MSDS File:
SDS
Last updated:2026-09-12 18:44:25
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4-Nitrophenylurea Properties

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
FDA UNII DY0F0348GL

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
HS Code  2924.21.5000

4-Nitrophenylurea price More Price(20)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical N0980 (4-Nitrophenyl)urea >98.0%(HPLC)(N) 556-10-5 1g $92 2026-04-30 Buy
TCI Chemical N0980 (4-Nitrophenyl)urea >98.0%(HPLC)(N) 556-10-5 5g $511 2024-03-01 Buy
Biosynth AAA55610 (4-Nitrophenyl)urea 556-10-5 2.5g $312.5 2026-06-04 Buy
Matrix Scientific 310148 1-(4-Nitrophenyl)urea 556-10-5 1.00g $73 2026-05-19 Buy
Matrix Scientific 310148 1-(4-Nitrophenyl)urea 556-10-5 5.00g $204 2026-05-19 Buy
Product number Packaging Price Buy
N0980 1g $92 Buy
N0980 5g $511 Buy
AAA55610 2.5g $312.5 Buy
310148 1.00g $73 Buy
310148 5.00g $204 Buy

4-Nitrophenylurea Chemical Properties, Uses, Production

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.]

4-Nitrophenylurea Preparation Products And Raw materials

Raw materials

Preparation Products

3-Amino-1-(4-nitrophenyl)urea

4-Nitrophenylurea Suppliers

Global Suppliers ( 26)
Supplier Tel Email Country ProdList Advantage
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28364 80
TCI Europe 320-37350700 sales@tcieurope.eu Europe 23654 75
TCI AMERICA 800-4238616 sales@tciamerica.com Americas 23636 75
Shanghai Aladdin Bio-Chem Technology Co.,LTD 400-6206333 13167063860 anhua.mao@aladdin-e.com China 29985 65
Shanghai Raise Chemical Technology Co.,Ltd 15026594951 rs@raise-chem.com China 4905 55
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
9ding chemical ( Shanghai) Limited 021-021-52271985 17721149837 sales@9dingchem.com China 19780 60
Sichuan BoYou Biotechnology Co., Ltd. 028-65791793 18140026355 568470422@qq.com China 9961 58
Supplier Advantage
TCI (Shanghai) Development Co., Ltd. 81
Shandong Xiya Chemical Co., Ltd 57
TOKYO CHEMICAL INDUSTRY CO., LTD. 80
TCI Europe 75
TCI AMERICA 75
Shanghai Aladdin Bio-Chem Technology Co.,LTD 65
Shanghai Raise Chemical Technology Co.,Ltd 55
Shanghai YuanYe Biotechnology Co., Ltd. 60
9ding chemical ( Shanghai) Limited 60
Sichuan BoYou Biotechnology Co., Ltd. 58

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N-(p-Nitrophenyl)urea 1-(4-Nitrophenyl)urea 1-(p-Nitrophenyl)urea ENT 61327 NSC 227938 p-Nitrophenylurea (4-Nitrophenyl)urea> Urea, N-(4-nitrophenyl)- 4-Nitrophenylurea 556-10-5