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4H-PYRAN-4-ONE Structure

4H-PYRAN-4-ONE

Chemical Properties

Melting point 32-34 °C(lit.)
Boiling point 210-215 °C(lit.)
Density  1.20
refractive index  1.5238
Flash point 214 °F
storage temp.  2-8°C
solubility  Slightly soluble in water, soluble in alcohol and oils.
form  clear liquid
color  Light yellow to Brown
Odor Warm, slight ly pungent, hay-like herbaceous odor of moderate to poor tenacity.
BRN  105293
Stability Polymerizes under exposure to air (oxygen) and alkali. Turns darker brown, and its odor fades.
InChIKey CVQUWLDCFXOXEN-UHFFFAOYSA-N
LogP -0.628 (est)
CAS DataBase Reference 108-97-4
FDA UNII UJ7X07IM7Z

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H302-H315-H319-H332-H335
Precautionary statements P261-P280-P305+P351+P338
Safety Statements  22-24/25
WGK Germany  3
3-8-10
HS Code  2932.99.9090
NFPA 704:
1
1 0

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4H-PYRAN-4-ONE Chemical Properties,Usage,Production

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