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ALPHA-PYRONE

ALPHA-PYRONE structure

CAS No.: 504-31-4

Chemical Name:: ALPHA-PYRONE

Synonyms: 2H-PYRAN-2-ONE;2-Pyrone;Coumalin;α-Pyron;cumalin;-Pyrone;α-pyrone;α-Pyrone;2-Pyranone;pyran-2-one

CBNumber:: CB6766803

Molecular Formula:: C5H4O2

Molecular Weight:: 96.08

MDL Number:: MFCD00006639

MOL File:: 504-31-4.mol

MSDS File:: SDS

Last updated:2024-06-27 15:48:13

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ALPHA-PYRONE Properties

Melting point	8-9 °C
Boiling point	102-103 °C20 mm Hg(lit.)
Density	1.197 g/mL at 25 °C(lit.)
refractive index	n20/D 1.53(lit.)
Flash point	94 °C
storage temp.	2-8°C
form	Liquid
color	Clear yellow to brown
Odor	Pleasant hay-like, herbaceous-warm odor
BRN	1511
LogP	-0.645 (est)
FDA UNII	8WW45I202V

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302-H315-H319-H335

Precautionary statements

P261-P301+P312-P302+P352-P304+P340-P305+P351+P338

Safety Statements

23-24/25

WGK Germany

8-9-23

HS Code

29322090

NFPA 704

	1
0		0

ALPHA-PYRONE price More Price(16)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	463159	2H-Pyran-2-one 90%	504-31-4	1g	$243	2024-03-01	Buy
TCI Chemical	P1183	α-Pyrone >98.0%(GC)	504-31-4	1g	$175	2024-03-01	Buy
TRC	A345500	α-Pyrone	504-31-4	10mg	$45	2021-12-16	Buy
AK Scientific	X6757	alpha-Pyrone	504-31-4	250mg	$124	2021-12-16	Buy
Activate Scientific	AS145932	Pyran-2-one 97%	504-31-4	5G	$693	2021-12-16	Buy

Product number	Packaging	Price	Buy
463159	1g	$243	Buy
P1183	1g	$175	Buy
A345500	10mg	$45	Buy
X6757	250mg	$124	Buy
AS145932	5G	$693	Buy

ALPHA-PYRONE Chemical Properties,Uses,Production

Chemical Properties

clear yellow to brown liquid.
Polymerizes easily upon standing, particularly under alkaline conditions. Very slightly soluble in water, soluble in alcohol and oils.

Definition

ChEBI: 2H-pyran-2-one is the simplest member of the class of 2-pyranones that is 2H-pyran with an oxo substituent at position 2.

Synthesis Reference(s)

Journal of the American Chemical Society, 90, p. 2318, 1968 DOI: 10.1021/ja01011a020
Organic Syntheses, Coll. Vol. 6, p. 462, 1988

General Description

2H-Pyran-2-one (a-Pyrone) is a heterocyclic building block. Photochemistry of 2H-pyran-2-one has been investigated by laser flash photolysis with infrared detection. Ketene and a bicyclic lactone were obtained as major photoproducts.

Purification Methods

Dissolve -pyrone in Et2O, wash it with brine, dry (Na2SO4), f

ALPHA-PYRONE Preparation Products And Raw materials

Raw materials

Preparation Products

NSC 263484 5-BROMO-2H-PYRAN-2-ONE,95% Phosphonic acid, P,P'-1,2-phenylenebis-, P,P,P',P'-tetraethyl ester

ALPHA-PYRONE Suppliers

Global( 114)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29881	58
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	admin@nexconn.com	China	10310	58
Jinan Carbotang Biotech Co.,Ltd.	+8615866703830	figo.gao@foxmail.com	China	8497	58
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28172	58
Chongqing Chemdad Co., Ltd	+86-023-6139-8061 +86-86-13650506873	sales@chemdad.com	China	39894	58
Nanjing jinheyou Trading Co., Ltd.	15705188088	admin@jheyou.com	CHINA	1268	58
Dideu Industries Group Limited	+86-29-89586680 +86-15129568250	1026@dideu.com	China	22783	58
Dayang Chem (Hangzhou) Co.,Ltd.	571-88938639 +8617705817739	info@dycnchem.com	China	52849	58
GLR Innovations	+91 9891111994	info@glrgroup.in	India	4535	58
GIHI CHEMICALS CO.,LIMITED	+8618058761490	info@gihichemicals.com	China	49978	58

Supplier	Advantage
career henan chemical co	58
Shenzhen Nexconn Pharmatechs Ltd	58
Jinan Carbotang Biotech Co.,Ltd.	58
Hubei Jusheng Technology Co.,Ltd.	58
Chongqing Chemdad Co., Ltd	58
Nanjing jinheyou Trading Co., Ltd.	58
Dideu Industries Group Limited	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
GLR Innovations	58
GIHI CHEMICALS CO.,LIMITED	58

View Lastest Price from ALPHA-PYRONE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2021-10-30	ALPHA-PYRONE 504-31-4	US $1.10 / g	1g	99.00%	100 Tons Min	Dideu Industries Group Limited
2019-11-08	ALPHA-PYRONE 504-31-4	US $0.00 / g	1g	98%min	20kg/month	Nanjing jinheyou Trading Co., Ltd.
2019-07-10	ALPHA-PYRONE 504-31-4	US $1.00 / KG	1KG	99%	1ton	Career Henan Chemical Co

ALPHA-PYRONE
504-31-4
US $1.10 / g
99.00%
Dideu Industries Group Limited

ALPHA-PYRONE
504-31-4
US $0.00 / g
98%min
Nanjing jinheyou Trading Co., Ltd.

ALPHA-PYRONE
504-31-4
US $1.00 / KG
99%
Career Henan Chemical Co

ALPHA-PYRONE Spectrum

ALPHA-PYRONE(504-31-4)¹HNMR ALPHA-PYRONE(504-31-4)Raman

504-31-4(ALPHA-PYRONE)Related Search:

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chloro-4’phenyl-4methyl-6phenyl-3tetrahdyro-3,4,5,6pyrone-6(3r*,4s*,6r* pyran-2-one α-pyrone cumalin tetrahydro-4-(4-chlorophenyl)-6-methyl-3-phenyl-,(3-alpha,4-beta,6-alpha)-2h-pyran-2-on α-Pyron ALPHA-PYRONE 2H-PYRAN-2-ONE 99% 2H-Pyran-2-one,97% 2H-Pyran-2-one,99% Pyrone,alpha- chloro-4’phenyl- 2H-Pyran-2-one, 97% 5GR 2,4-Pentadienoic acid, 5-hydroxy-, delta-lactone 2H-Pyran, 2-oxo- 2h-pyran-2-one,tetrahydro-4-(4-chlorophenyl)-6-methyl-3-phenyl-,(3-alpha,4-be 2-Pyranone 4-beta,6-alpha)-tetrahydro-4-(4-chlorophenyl)-6-methyl-3-phenyl-2h-(3-alph α-Pyrone> -Pyrone ALPHA-PYRONE ISO 9001：2015 REACH α-Pyrone Coumalin 2H-PYRAN-2-ONE 2-Pyrone 504-31-4 Building Blocks Heterocyclic Building Blocks Pyrans Building Blocks Chemical Synthesis Heterocyclic Building Blocks Pyrans