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463159

Sigma-Aldrich

2H-Pyran-2-one

90%

Sinonimo/i:

α-Pyrone

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About This Item

Formula empirica (notazione di Hill):
C5H4O2
Numero CAS:
504-31-4
Peso molecolare:
96.08
Beilstein:
1511
Numero CE:
207-990-5
Numero MDL:
MFCD00006639
Codice UNSPSC:
12352100
ID PubChem:
24869900
NACRES:
NA.22

Saggio

90%

Indice di rifrazione

n20/D 1.53 (lit.)

P. eboll.

102-103 °C/20 mmHg (lit.)

Densità

1.197 g/mL at 25 °C (lit.)

Temperatura di conservazione

2-8°C

Stringa SMILE

O=C1OC=CC=C1

InChI

1S/C5H4O2/c6-5-3-1-2-4-7-5/h1-4H
ZPSJGADGUYYRKE-UHFFFAOYSA-N

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Descrizione generale

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.

Confezionamento

Bottomless glass bottle. Contents are inside inserted fused cone.

Altre note

Store at 2-8°C

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

201.2 °F - closed cup

Punto d’infiammabilità (°C)

94 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Gloves

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Solution photochemistry of 2H-pyran-2-one: laser flash photolysis with infrared detection of transients.
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