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Croconic acid

Croconic acid structure

CAS No.: 488-86-8

Chemical Name:: Croconic acid

Synonyms: Crocic acid;Croconic acid;Croconicacid,98%;Croconic Acid >CROCONIC ACID manufacturer;4-Cyclopentene-1,2,3-trione;1,2-Dihydroxycyclopentene-3,4,5-trione;4,5-DIHYDROXY-4-CYCLOPENTENE-1,2,3-TRIONE;1,2-DIHYDROXY-3,4,5-TRIOXOCYCLOPENT-1-ENE;4,5-DIHYDROXY-CYCLOPENT-4-ENE-1,2,3-TRIONE

CBNumber:: CB3384545

Molecular Formula:: C5H2O5

Molecular Weight:: 142.07

MDL Number:: MFCD00181389

MOL File:: 488-86-8.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:52:01

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Croconic acid Properties

Melting point	>300 °C(lit.)
Boiling point	291.7°C
Density	2.3110
refractive index	1.6400 (estimate)
storage temp.	room temp
form	Powder or Crystals
pka	0.92±0.25(Predicted)
color	Yellow
Water Solubility	Soluble in water and ethanol.
BRN	2043130
Stability	Stable. Incompatible with strong oxidizing agents.
Major Application	diagnostic assay manufacturing hematology histology
InChI	InChI=1S/C5H2O5/c6-1-2(7)4(9)5(10)3(1)8/h6-7H
InChIKey	RBSLJAJQOVYTRQ-UHFFFAOYSA-N
SMILES	C1(=O)C(O)=C(O)C(=O)C1=O
FDA UNII	6HGY35UXAA
UNSPSC Code	12171500
NACRES	NA.47

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P280g-P305+P351+P338-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313

PPE

Eyeshields, Gloves, type N95 (US)

Hazard Codes

Risk Statements

36/37/38

Safety Statements

37/39-26-24/25

WGK Germany

HS Code

29144000

Storage Class

11 - Combustible Solids

NFPA 704

	0
2		0

Croconic acid price More Price(33)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	391700	Croconic acid 98%	488-86-8	500mg	$324	2023-06-20	Buy
TCI Chemical	C1483	Croconic Acid >98.0%(HPLC)	488-86-8	1g	$159	2026-04-30	Buy
TCI Chemical	C1483	Croconic Acid >98.0%(HPLC)	488-86-8	5g	$541	2026-04-30	Buy
Activate Scientific	AS145965	Croconic acid 98%	488-86-8	1g	$101	2026-06-04	Buy
Activate Scientific	AS145965	Croconic acid 98%	488-86-8	5g	$380	2026-06-04	Buy

Product number	Packaging	Price	Buy
391700	500mg	$324	Buy
C1483	1g	$159	Buy
C1483	5g	$541	Buy
AS145965	1g	$101	Buy
AS145965	5g	$380	Buy

Croconic acid Chemical Properties, Uses, Production

Chemical Properties

gold-coloured powder

Uses

Croconic acid is used to prepare 1,3-bis-(2-dimethylamino-5-thienyl)croconine by reacting with dimethyl-thiophen-2-yl-amine. It is also used in organic synthesis and employed as a dye for biological research purposes. Further, it is involved in the preparation of ethers such as dimethyl croconate. In addition to this, it acts as a ligand and form coordination complexes with metals such as barium, copper, silver and lead.

Croconic acid Preparation Products And Raw materials

Raw materials

Hexaketocyclohexane octahydrate Sodium rhodizonate

Preparation Products

Croconic acid Suppliers

Global Suppliers ( 131)

Supplier	Tel	Email	Country	ProdList	Advantage
Yantai Boyun Biological Technology Co. Ltd	13793517650 13793517650	2767277144@qq.com	China	2856	58
Yantai Sheng Kai Lun Biological Products Co. , Ltd.	13356901049	mark@sklnchem.cn	China	7954	58
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Shandong Jiuyue Biotechnology Co., Ltd.	15553333686	643971@qq.com	China	540	58
Shandong Mingde Biotechnology Co., Ltd	15553348166	m15553348166@163.com	China	2027	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
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Beijing HwrkChemical Technology Co., Ltd	89508211 18501085097	sales.bj@hwrkchemical.com	China	9407	55

Supplier	Advantage
Yantai Boyun Biological Technology Co. Ltd	58
Yantai Sheng Kai Lun Biological Products Co. , Ltd.	58
Energy Chemical	61
Shandong Jiuyue Biotechnology Co., Ltd.	58
Shandong Mingde Biotechnology Co., Ltd	58
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Beijing HwrkChemical Technology Co., Ltd	55

View Latest Price from Croconic acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-06-30	croconic acid 488-86-8		1kg	98%	1000kgs	Shaanxi Dideu New Materials Co. Ltd
2023-02-27	CROCONIC ACID manufacturer 488-86-8	$10.00	10g	99.8%	2000	Hebei Aicrowe Biotech Co., Ltd
2020-01-10	CROCONIC ACID 488-86-8	$7.00	1KG	99%	100KG	Career Henan Chemical Co

croconic acid
488-86-8
$0.00
98%
Shaanxi Dideu New Materials Co. Ltd

CROCONIC ACID manufacturer
488-86-8
$10.00
99.8%
Hebei Aicrowe Biotech Co., Ltd

CROCONIC ACID
488-86-8
$7.00
99%
Career Henan Chemical Co

Croconic acid Spectrum

CROCONIC ACID(488-86-8)MS CROCONIC ACID(488-86-8)¹HNMR CROCONIC ACID(488-86-8)IR1 CROCONIC ACID(488-86-8)IR2 CROCONIC ACID(488-86-8)Raman

488-86-8 (Croconic acid) Related Search:

Crotonic acid Crotonaldehyde (trans predominantly) Caprolactam trans-Methyl crotonate Crotonic acid

Barbituric acid 1,2-Bis(2,4-dimethyl-5-phenyl-3-thienyl)-3,3,4,4,5,5-hexafluoro-1-cyclopentene Croconic acid Croconic acid, disodium salt 3-Cyclopenten-1-one

4-Cyclopentene-1,3-dione

1of3

Croconicacid,98% 1,2-Dihydroxycyclopentene-3,4,5-trione Crocic acid 4,5-Dihydroxy-4-cyclopentene-1,2,3-trione,97% 4-Cyclopentene-1,2,3-trione,4,5-dihydroxy- 4-Cyclopentene-1,2,3-trione 4,5-DIHYDROXY-4-CYCLOPENTENE-1,2,3-TRIONE 4,5-DIHYDROXY-CYCLOPENT-4-ENE-1,2,3-TRIONE 1,2-DIHYDROXY-3,4,5-TRIOXOCYCLOPENT-1-ENE CROCONIC ACID manufacturer Croconic Acid > Croconic acid 488-86-8 C5H2O5