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3-hydroxy-4H-pyran-4-one

3-hydroxy-4H-pyran-4-one structure

CAS No.: 496-63-9

Chemical Name:: 3-hydroxy-4H-pyran-4-one

Synonyms: Pyromeconic acid;3-Hydroxy-4-pyrone;PyrocoMenic acid;3-Hydroxy-γ-pyrone;Kojic Impurity 10;(S)-Propargylglycine;3-hydroxypyran-4-one;Avobenzone Impurity 3;3-hydroxy-4H-pyran-4-one;4H-Pyran-4-one, 3-hydroxy-

CBNumber:: CB6929264

Molecular Formula:: C5H4O3

Molecular Weight:: 112.08

MDL Number:: MFCD09863957

MOL File:: 496-63-9.mol

MSDS File:: SDS

Last updated:2026-09-10 08:17:50

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3-hydroxy-4H-pyran-4-one Properties

Melting point	117-118°C
Boiling point	298.7±40.0 °C(Predicted)
Density	1.483±0.06 g/cm3(Predicted)
storage temp.	Sealed in dry,Store in freezer, under -20°C
solubility	DMSO (Slightly), Methanol (Slightly)
form	Solid
pka	8.16±0.10(Predicted)
color	White to Beige
InChI	InChI=1S/C5H4O3/c6-4-1-2-8-3-5(4)7/h1-3,7H
InChIKey	VEYIMQVTPXPUHA-UHFFFAOYSA-N
SMILES	C1OC=CC(=O)C=1O
FDA UNII	8J0G2X46R7
EPA Substance Registry System	4H-Pyran-4-one, 3-hydroxy- (496-63-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H319-H315-H335
Precautionary statements	P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
TSCA	TSCA listed

3-hydroxy-4H-pyran-4-one price More Price(57)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Usbiological	300856	Pyromeconic acid ≥98%	496-63-9	20mg	$436	2026-06-03	Buy
TRC	TRC-P997600-500MG	Pyromeconic Acid	496-63-9	500mg	$256	2026-06-03	Buy
TRC	TRC-P997600-100MG	Pyromeconic Acid	496-63-9	100mg	$173	2026-06-03	Buy
Biosynth	FP27351	Pyromeconic acid	496-63-9	5g	$519.2	2026-06-04	Buy
Biosynth	FP27351	Pyromeconic acid	496-63-9	10g	$713.9	2026-06-04	Buy

Product number	Packaging	Price	Buy
300856	20mg	$436	Buy
TRC-P997600-500MG	500mg	$256	Buy
TRC-P997600-100MG	100mg	$173	Buy
FP27351	5g	$519.2	Buy
FP27351	10g	$713.9	Buy

3-hydroxy-4H-pyran-4-one Chemical Properties, Uses, Production

Chemical Properties

Off-White to Pale Yellow Solid

Uses

Pyromeconic acid is an important intermediate of synthesizing maltoland its homologous.

3-hydroxy-4H-pyran-4-one Preparation Products And Raw materials

Raw materials

Preparation Products

4H-Pyran-4-one,3-methoxy-(6CI,7CI,8CI,9CI)

3-hydroxy-4H-pyran-4-one Suppliers

Global Suppliers ( 161)

Supplier	Tel	Email	Country	ProdList	Advantage
Guangzhou Qianguang Trade Co., Ltd.	020-39071117 18030085485	2797782741@qq.com	China	291	55
Chongqing TianyiHenghua Technology Co., Ltd.	15086758486; 15086758486	chemtyhh@163.com	China	93	58
Shanghai Morui Chemical Technology Co., Ltd	13382110328 15255501563	hup@wohua-chemical.com	China	498	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Jia Xing Isenchem Co.,Ltd	0573-85285100 18627885956	isenchem@163.com	China	9389	66
Accela ChemBio Co.,Ltd.	021-50795510 4000665055	marketing@accelachem.com	China	10972	64
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
Shanghai Aobo pharmaceutical Technology Co., Ltd	86-21-51320499	aobo@aobopharm.com	China	297	57
Shanghai Sunway Pharmaceutical Technology Co., Ltd	13761987713	hxzheng@sunwaypharm.cn	China	8663	57

Supplier	Advantage
Guangzhou Qianguang Trade Co., Ltd.	55
Chongqing TianyiHenghua Technology Co., Ltd.	58
Shanghai Morui Chemical Technology Co., Ltd	58
J & K SCIENTIFIC LTD.	76
Energy Chemical	61
Jia Xing Isenchem Co.,Ltd	66
Accela ChemBio Co.,Ltd.	64
Chemsky（shanghai）International Co.,Ltd.	50
Shanghai Aobo pharmaceutical Technology Co., Ltd	57
Shanghai Sunway Pharmaceutical Technology Co., Ltd	57

View Latest Price from 3-hydroxy-4H-pyran-4-one manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-09-10	Pyromeconic acid 496-63-9	$34.00		99.85%	10g	TargetMol Chemicals Inc.
2026-08-07	3-hydroxy-4H-pyran-4-one 496-63-9	$20.00-30.00	1KG	99%	3000KG	Shaanxi Dideu Medichem Co. Ltd
2022-02-21	3-hydroxy-4H-pyran-4-one 496-63-9		1KG	97.4%	100 tons	Honest Joy Holdings Limited

Pyromeconic acid
496-63-9
$34.00
99.85%
TargetMol Chemicals Inc.

3-hydroxy-4H-pyran-4-one
496-63-9
$20.00-30.00
99%
Shaanxi Dideu Medichem Co. Ltd

3-hydroxy-4H-pyran-4-one
496-63-9
$0.00
97.4%
Honest Joy Holdings Limited

3-hydroxy-4H-pyran-4-one Spectrum

3-hydroxy-4H-pyran-4-one(496-63-9)¹HNMR

496-63-9 (3-hydroxy-4H-pyran-4-one ) Related Search:

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3-hydroxy-4H-pyran-4-one 3-hydroxypyran-4-one 3-Hydroxy-γ-pyrone PyrocoMenic acid 4H-Pyran-4-one, 3-hydroxy- (S)-Propargylglycine Kojic Impurity 10 Avobenzone Impurity 3 Pyromeconic acid, 10 mM in DMSO 3-Hydroxy-4-pyrone Pyromeconic acid 496-63-9 Heterocycles Intermediates & Fine Chemicals Pharmaceuticals