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Parabanic acid

Parabanic acid structure

CAS No.: 120-89-8

Chemical Name:: Parabanic acid

Synonyms: 2,4,5-TRIOXOIMIDAZOLIDINE;imidazolidine-2,4,5-trione;Oxalyurea;OXALYLUREA;Prabanic acid;Zhongban acid;Parabanic acid;N,N'-OXALYLUREA;IMIDAZOLETRIONE;ParabanicAcid>

CBNumber:: CB2334220

Molecular Formula:: C3H2N2O3

Molecular Weight:: 114.06

MDL Number:: MFCD00014493

MOL File:: 120-89-8.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:50:38

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Parabanic acid Properties

Melting point	249 °C (dec.) (lit.)
Boiling point	213.51°C (rough estimate)
Density	1.7674 (rough estimate)
refractive index	1.4700 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	DMSO (Slightly), Ethyl Acetate (Slightly, Heated)
form	Solid
pka	pK1:6.1 (25°C)
color	White
Water Solubility	almost transparency
Merck	14,7022
InChI	InChI=1S/C3H2N2O3/c6-1-2(7)5-3(8)4-1/h(H2,4,5,6,7,8)
InChIKey	ZFLIKDUSUDBGCD-UHFFFAOYSA-N
SMILES	C1(=O)NC(=O)C(=O)N1
CAS DataBase Reference	120-89-8(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	3XGR439T9P
EPA Substance Registry System	Imidazolidinetrione (120-89-8)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

target organs

Respiratory system

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36

WGK Germany

TSCA

TSCA listed

HS Code

2933599590

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

NFPA 704

	0
2		0

Parabanic acid price More Price(42)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	P209	Parabanic acid 99%	120-89-8	5G	$201	2026-04-30	Buy
TCI Chemical	P0195	Parabanic Acid >98.0%(T)	120-89-8	1g	$39	2026-04-30	Buy
TCI Chemical	P0195	Parabanic Acid >98.0%(T)	120-89-8	25g	$338	2026-04-30	Buy
TRC	TRC-P191000-10G	Parabanic Acid	120-89-8	10g	$281	2026-06-03	Buy
Apolloscientific	BIP0616	Parabanic acid >95%	120-89-8	250mg	$21	2026-06-04	Buy

Product number	Packaging	Price	Buy
P209	5G	$201	Buy
P0195	1g	$39	Buy
P0195	25g	$338	Buy
TRC-P191000-10G	10g	$281	Buy
BIP0616	250mg	$21	Buy

Parabanic acid Chemical Properties,Uses,Production

Chemical Properties

White Crystalline Solid

Uses

Parabanic acid appears to be an important marker of free radical reactions in vivo and may be used to monitor free radical activity and to evaluate pharmacological therapy with radical scavengers.

Uses

Reactant for:• ;Enantiospecific assembly of homochiral, hexanuclear palladium complexes1• ;Mitsunobu reactions2• ;Quantitative cascade condensation reactions3Reactant for synthesis of:• ;Pyridine derivatives4• ;Nitroesters5• ;Parabanic acid derivatives6

Uses

A useful synthetic intermediate

Definition

ChEBI: An imidazolidinone that is imidazolidine which is substituted by oxo groups at positions 2, 4 and 5.

Parabanic acid synthesis

Synthesis of Parabanic acid from Glycoluril

Parabanic acid Preparation Products And Raw materials

Raw materials

Urea, N-(2,5-dihydro-2,5-dioxo-1H-imidazol-4-yl)-N'-methyl- 1,1-diamino-2,2-dinitroethene 1-Amino-imidazolidine-2,4,5-trione 6-Azauracil AMMELIDE

2-Thiohydantoin Glycoluril 5-Bromouracil Hydantoin Guanine

5-Fluorouracil

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Preparation Products

4-Pyrimidinol

Parabanic acid Suppliers

Global( 132)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Weichang Yuanhe Biotech R&D Co.,Ltd.	0314-7886310 18830416512	weichangyuanhe@163.com	China	203	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
3B Pharmachem (Wuhan) International Co.,Ltd.	18930552037	3bsc@sina.com	China	15813	69
Dr. J. Pharmachem (India)	+91 20 24332987	info@jpharmachem.com	India	97	55
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50

Supplier	Advantage
Weichang Yuanhe Biotech R&D Co.,Ltd.	58
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
3B Pharmachem (Wuhan) International Co.,Ltd.	69
Dr. J. Pharmachem (India)	55
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Adamas Reagent, Ltd.	59
Shanghai Hanhong Scientific Co.,Ltd.	64
Chemsky（shanghai）International Co.,Ltd.	50

View Lastest Price from Parabanic acid manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-06-30	PARABANIC ACID 120-89-8		1kg	98%	1000kg	Shaanxi Dideu New Materials Co. Ltd
	2022-02-22	imidazolidine-2,4,5-trione 120-89-8		1KG	99.3%	100 tons	Honest Joy Holdings Limited

PARABANIC ACID
120-89-8
$0.00
98%
Shaanxi Dideu New Materials Co. Ltd

imidazolidine-2,4,5-trione
120-89-8
$0.00
99.3%
Honest Joy Holdings Limited

Parabanic acid Spectrum

PARABANIC ACID(120-89-8)MS PARABANIC ACID(120-89-8)¹HNMR PARABANIC ACID(120-89-8)¹³CNMR PARABANIC ACID(120-89-8)IR1 PARABANIC ACID(120-89-8)IR2 PARABANIC ACID(120-89-8)Raman

120-89-8(Parabanic acid)Related Search:

Buntane-2-boronic acid Parabanic acid 1-(Benzylideneamino)parabanic acid 2-[3-(2,4-Dichlorobenzyl)-2,4,5-trioxo-1-imidazolidinyl]acetic acid 2-(3-Benzyl-2,4,5-trioxo-1-imidazolidinyl)acetic acid

2-[3-(3,4-Dichlorobenzyl)-2,4,5-trioxo-1-imidazolidinyl]acetic acid Ethyl 2,4,5-trioxoimidazolidine-1-acetate 1,3-Diphenylparabanic acid 1-[(2,6-Dichloro-4-methyl-3-pyridyl)carbonyl]-3-(2,5-dichlorophenyl)imidazolidine-2,4,5-trione 3-(3-methyl-2,4,5-trioxoimidazolidin-1-yl)propanenitrile

1-(2-Chloro-6-fluorobenzyl)-3-(2-methoxybenzyl)-1H-imidazole-2,4,5(3H)-trione 1-(2,4-Dichlorobenzyl)-3-(4-methylbenzyl)-1H-imidazole-2,4,5(3H)-trione 1-(3-Chlorobenzyl)-1H-imidazole-2,4,5(3H)-trione 1-[4-(4-Chlorophenoxy)phenyl]-3-[(2,6-dichloro-4-methyl-3-pyridyl)carbonyl]imidazolidine-2,4,5-trione 1-(4-Bromobenzyl)-3-(2-methoxybenzyl)-1H-imidazole-2,4,5(3H)-trione

(3-Benzyl-2,4,5-trioxo-imidazolidin-1-yl)-acetic acid ethyl ester 1-(3,4-Dimethoxybenzyl)-3-(2-methylbenzyl)-1H-imidazole-2,4,5(3H)-trione 1-(2-Methylbenzyl)-3-[3-(trifluoromethyl)benzyl]-1H-imidazole-2,4,5(3H)-trione

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2,4,5-IMIDAZOLINETRIONE IMIDAZOLIDINETRIONE IMIDAZOLETRIONE OXALYLUREA N,N'-OXALYLUREA 2,4,5-Imidazolidinetrione Trioxoimidazolidine PARABANIC ACID 98+% 2,4 5-IMIDAZOLINETRIONE 98% Prabanic acid Oxalyurea Imidazolidinetrione N,N'-Oxalylurea Parabanic acid 99% ParabanicAcid> PARABANIC ACID USP/EP/BP Zhongban acid 2,4,5-TRIOXOIMIDAZOLIDINE imidazolidine-2,4,5-trione Parabanic acid 120-89-8 HNCONHCOCO C3H2N2O3 KETONE Heterocyclic Building Blocks Imidazolines/Imidazolidines Building Blocks heteroXlink Various Intermediates Intermediates Miscellaneous Reagents Heterocycles Building Blocks Chemical Synthesis Heterocyclic Building Blocks Imidazolines/Imidazolidines