ChemicalBook > Product Catalog >Pharmaceutical intermediates >Heterocyclic compound >Pyran compounds >ALPHA-PYRONE

ALPHA-PYRONE

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

MOL File:: 504-31-4.mol

MSDS File:: SDS

Modify Date:: 2024/6/27 15:48:13

Request For Quotation

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)

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(2)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich(India)	463159	2H-Pyran-2-one 90%	504-31-4	1G	₹15730	2022-06-14	Buy
TCI Chemicals (India)	P1183	α-Pyrone min. 98.0 %	504-31-4	1G	₹34800	2022-05-26	Buy

Product number	Packaging	Price	Buy
463159	1G	₹15730	Buy
P1183	1G	₹34800	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.

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( 110)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
GLR Innovations	+91 9891111994	New Delhi, India	4542	58	Inquiry
A.J Chemicals	91-9810153283	New Delhi, India	6124	58	Inquiry
TCI Chemicals (India) Pvt. Ltd.	1800 425 7889	New Delhi, India	6778	58	Inquiry
career henan chemical co	+86-0371-86658258 +8613203830695	China	29901	58	Inquiry
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	China	10259	58	Inquiry
Chongqing Chemdad Co., Ltd	+86-023-6139-8061 +86-86-13650506873	China	39916	58	Inquiry
Dideu Industries Group Limited	+86-29-89586680 +86-15129568250	China	26216	58	Inquiry
Dayang Chem (Hangzhou) Co.,Ltd.	571-88938639 +8617705817739	China	52861	58	Inquiry
GIHI CHEMICALS CO.,LIMITED	+8618058761490	China	49999	58	Inquiry
LEAPCHEM CO., LTD.	+86-852-30606658	China	43348	58	Inquiry

Supplier	Advantage
GLR Innovations	58
A.J Chemicals	58
TCI Chemicals (India) Pvt. Ltd.	58
career henan chemical co	58
Shenzhen Nexconn Pharmatechs Ltd	58
Chongqing Chemdad Co., Ltd	58
Dideu Industries Group Limited	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
GIHI CHEMICALS CO.,LIMITED	58
LEAPCHEM CO., LTD.	58

ALPHA-PYRONE Spectrum

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

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

3-CARBOMETHOXY-2-PYRONE 4-Methoxy-6-methyl-2H-pyran-2-one Methyl isodehydroacetate ISODEHYDROACETIC ACID 2,4-Dimethyl-alpha-pyrone,4,6-DIMETHYL-ALPHA-PYRONE

4,6-DIPHENYL-2-PYRONE 4-Hydroxy-6-methyl-2-pyrone Cinobufotalin 6-AMYL-ALPHA-PYRONE 96+%,6-N-Amyl alpha-pyrone,6-pentyl-alpha-pyrone,alpha-Pyrone, 6-pentyl,6-AMYL-ALPHA-PYRONE Methyl coumalate

Bufalin ALPHA-PYRONE ALPHA-PYRONE-5-CARBOXYLIC ACID,alpha-Pyrone-3-carboxylic acid 5-Carbethoxy-4,6-dimethyl-2-pyrone Sodium dehydroacetate

4-methoxy-6-(beta-(p-anisyl)vinyl)-alpha-pyron 5-NITRO-4-CHROMANONE 5-Decanolide

chevron_left

1of4

chevron_right

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