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About This Item
Empirical Formula (Hill Notation):
C5H4O2
CAS Number:
Molecular Weight:
96.08
Beilstein:
1511
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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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
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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
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point(F)
201.2 °F - closed cup
Flash Point(C)
94 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Solution photochemistry of 2H-pyran-2-one: laser flash photolysis with infrared detection of transients.
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