5-(4-Hydroxyphenyl)-2,4-imidazolidinedione Chemical Properties

Melting point:

>260°C

Boiling point:

273.7℃[at 101 325 Pa]

Density 

1.408

vapor pressure 

0Pa at 25℃

storage temp. 

Inert atmosphere,Room Temperature

form 

powder to crystal

pka

8.67±0.10(Predicted)

color 

White to Almost white

Water Solubility 

1.29g/L at 20℃

InChI

InChI=1S/C9H8N2O3/c12-6-3-1-5(2-4-6)7-8(13)11-9(14)10-7/h1-4,7,12H,(H2,10,11,13,14)

InChIKey

UMTNMIARZPDSDI-UHFFFAOYSA-N

SMILES

C1(=O)NC(C2=CC=C(O)C=C2)C(=O)N1

LogP

-0.03 at 20℃

CAS DataBase Reference

2420-17-9(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xn

Risk Statements 

22-37/38-41

Safety Statements 

26-39

HS Code 

2933.21.0000

5-(4-Hydroxyphenyl)-2,4-imidazolidinedione Usage And Synthesis

Flammability and Explosibility

Non flammable

Synthesis

Add 4.0 g of glyoxylic acid monohydrate (0.04 mol), 1.2 g of urea (0.02 mol), and 10 mL of 10% hydrochloric acid into the beaker. Stir evenly. After releasing the heat, pour it into a dropping funnel and set aside. Add 3.6 g (0.06 mol) of urea, 5.6 g (0.06 mol) of phenol, and 10% hydrochloric acid, and stir evenly in a three-necked flask. Heat to 90 ℃, slowly add the glyoxylic acid-urea mixture dropwise and control the dropping speed for about 4 hours. After the dropwise addition is completed, continue the heat preservation reaction for 2 hours to complete the reaction. Change the reaction device to a vacuum distillation device to recover excess phenol. After evaporating about 1/3 of the volume of the solution, cool to about 15°C to crystallize, filter, and use the filter cake. Wash with water 2 to 3 times until neutral and dry to obtain 5.8 g of white solid 5-(4-Hydroxyphenyl)-2,4-imidazolidinedione.

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