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4-Chromanone Structure

4-Chromanone

Chemical Properties

Melting point 35-38 °C(lit.)
Boiling point 127-128 °C13 mm Hg(lit.)
Density  1.1291
refractive index  n20/D 1.575(lit.)
Flash point >230 °F
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
form  Crystalline Powder, Crystals or Low Melting Mass
color  White to yellow
Water Solubility  Slightly soluble in water.
BRN  124652
InChIKey MSTDXOZUKAQDRL-UHFFFAOYSA-N
LogP 1.990 (est)
CAS DataBase Reference 491-37-2(CAS DataBase Reference)
EWG's Food Scores 1
NIST Chemistry Reference 4H-1-Benzopyran-4-one, 2,3-dihydro-(491-37-2)
EPA Substance Registry System 4H-1-Benzopyran-4-one, 2,3-dihydro- (491-37-2)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H303
Precautionary statements P270-P301+P312-P403-P501c
Hazard Codes  Xi
Risk Statements  33-36/37/38
Safety Statements  24/25-36-26
WGK Germany  2
RTECS  DJ2981225
TSCA  Yes
HazardClass  IRRITANT
HS Code  29329990
NFPA 704:
1
0 0

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4-Chromanone Chemical Properties,Usage,Production

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