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Home      Products     Pharmaceutical Intermediates       491-37-2 4-Chromanone
  • 491-37-2 4-Chromanone
  • 491-37-2 4-Chromanone
  • 491-37-2 4-Chromanone
  • 491-37-2 4-Chromanone
491-37-2 4-Chromanone491-37-2 4-Chromanone491-37-2 4-Chromanone491-37-2 4-Chromanone

491-37-2 4-Chromanone

4-Chromanone Basic information
Product Name: 4-Chromanone
Synonyms: Isochromanone;,3-Dihydro-2-benzopyran-4-one;,3-Dihydro-4-benzopyranone;2,3-dihydro-4-benzopyranone;2,3-dihydro-4h-1-benzopyran-4-on;2,3-Dihydro-4H-1-benzopyran-4-one;4-chormanone;JRH-01801, Chroman-4-one, 97%
CAS: 491-37-2
MF: C9H8O2
MW: 148.16
EINECS: 207-736-3
Product Categories: Fused Ring Systems
Mol File: 491-37-2.mol
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.)
Fp  >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)
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 Information
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
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