463159
2H-Pyran-2-one
90%
Synonym(s):
α-Pyrone
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| Size/SKU | Availability | Price |
|---|---|---|
1 g | Check Cart for Availability | $277.00 |
About This Item
Empirical Formula (Hill Notation):
C5H4O2
CAS Number:
Molecular Weight:
96.08
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
207-990-5
Beilstein/REAXYS Number:
1511
MDL number:
Assay:
90%
Quality Segment
assay
90%
refractive index
n20/D 1.53 (lit.)
bp
102-103 °C/20 mmHg (lit.)
density
1.197 g/mL at 25 °C (lit.)
functional group
ester
storage temp.
2-8°C
SMILES string
O=C1OC=CC=C1
InChI
1S/C5H4O2/c6-5-3-1-2-4-7-5/h1-4H
InChI key
ZPSJGADGUYYRKE-UHFFFAOYSA-N
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.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
Other Notes
Store at 2-8°C
1 of 1
This Item | |||
|---|---|---|---|
| description 90% | description 98% | description ≥98.5% (GC) | description AldrichCPR |
| assay 90% | assay 98% | assay ≥98.5% (GC) | assay - |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level - |
| refractive index n20/D 1.53 (lit.) | refractive index - | refractive index n20/D 1.478 (lit.), n20/D 1.479 | refractive index - |
| storage temp. 2-8°C | storage temp. - | storage temp. 2-8°C | storage temp. - |
| bp 102-103 °C/20 mmHg (lit.) | bp 146-148 °C/0.75 mmHg (lit.) | bp 92-93 °C/25 mmHg (lit.) | bp - |
| density 1.197 g/mL at 25 °C (lit.) | density - | density 1.101 g/mL at 25 °C (lit.) | density - |
Storage Class
10 - Combustible liquids
WGK
WGK 3
Flash Point (°F)
201.2 °F - closed cup
Flash Point (°C)
94 °C - closed cup
PPE (personal protective equipment)
Eyeshields, Gloves
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