ALPHA-PYRONE
- Product Name
- 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
- Formula Weight
- 96.08
- MOL File
- 504-31-4.mol
ALPHA-PYRONE Property
- 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)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 463159
- Product name
- 2H-Pyran-2-one
- Purity
- 90%
- Packaging
- 1g
- Price
- $243
- Updated
- 2024/03/01
- Product number
- P1183
- Product name
- α-Pyrone
- Purity
- >98.0%(GC)
- Packaging
- 1g
- Price
- $175
- Updated
- 2024/03/01
- Product number
- A345500
- Product name
- α-Pyrone
- Packaging
- 10mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- X6757
- Product name
- alpha-Pyrone
- Packaging
- 250mg
- Price
- $124
- Updated
- 2021/12/16
- Product number
- AS145932
- Product name
- Pyran-2-one
- Purity
- 97%
- Packaging
- 5G
- Price
- $693
- Updated
- 2021/12/16
ALPHA-PYRONE Chemical Properties,Usage,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
ALPHA-PYRONE Suppliers
- Tel
- +1-2266000236
- sales@rdscientific.com
- Country
- Canada
- ProdList
- 1627
- Advantage
- 58
View Lastest Price from ALPHA-PYRONE manufacturers
- Product
- ALPHA-PYRONE 504-31-4
- Price
- US $1.10/g
- Min. Order
- 1g
- Purity
- 99.00%
- Supply Ability
- 100 Tons Min
- Release date
- 2021-10-29
- Product
- ALPHA-PYRONE 504-31-4
- Price
- US $0.00/g
- Min. Order
- 1g
- Purity
- 98%min
- Supply Ability
- 20kg/month
- Release date
- 2019-11-01
- Product
- ALPHA-PYRONE 504-31-4
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 1ton
- Release date
- 2019-07-09