Product Name

  • Name

    4H-chromene

  • EINECS
  • CAS No. 254-03-5
  • Article Data4
  • CAS DataBase
  • Density 1.095 g/cm3
  • Solubility
  • Melting Point
  • Formula C9H8O
  • Boiling Point 213.9 °C at 760 mmHg
  • Molecular Weight 132.162
  • Flash Point 75.7 °C
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 254-03-5 (4H-chromene)
  • Hazard Symbols
  • Synonyms Chrom-2-ene;
  • PSA
  • LogP

4H-1-Benzopyran Specification

The 4H-1-Benzopyran, with the CAS registry number of 254-03-5, is also known as Chrom-2-ene. This chemical's molecular formula is C9H8O and molecular weight is 132.159220. What's more, its IUPAC name is 4H-Chromene.

Physical properties about the 4H-1-Benzopyran are: (1)ACD/LogP: 2.16; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.16; (4)ACD/LogD (pH 7.4): 2.16; (5)ACD/BCF (pH 5.5): 25.88; (6)ACD/BCF (pH 7.4): 25.88; (7)ACD/KOC (pH 5.5): 357.28; (8)ACD/KOC (pH 7.4): 357.28; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 9.23 Å2; (13)Index of Refraction: 1.571; (14)Molar Refractivity: 39.63 cm3; (15)Molar Volume: 120.5 cm3; (16)Surface Tension: 43.3 dyne/cm; (17)Density: 1.095 g/cm3; (18)Flash Point: 75.7 °C; (19)Enthalpy of Vaporization: 43.19 kJ/mol; (20)Boiling Point: 213.9 °C at 760 mmHg; (21)Vapour Pressure: 0.234 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O\2c1ccccc1C/C=C/2
(2) InChI: InChI=1/C9H8O/c1-2-6-9-8(4-1)5-3-7-10-9/h1-4,6-7H,5H2
(3) InChIKey: JCIDEANDDNSHQC-UHFFFAOYAO

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