4-Oxo-4H-1-benzopyran-2-carboxylic acid


Catalog No:   FT-0623799

CAS No:   4940-39-0

  • Molecular Formula:  189.14
  • Formula Weight: C10H5O4-
  • Inchl Key: RVMGXWBCQGAWBR-UHFFFAOYSA-M
  • Inchl: InChI=1S/C10H6O4/c11-7-5-9(10(12)13)14-8-4-2-1-3-6(7)8/h1-5H,(H,12,13)/p-1

Assay Pack Price Stock Action
98% 1g N/A N/A
98% 5g N/A N/A
98% Bulk Quantity N/A N/A
Product_Name: Chromocarb
Bolling_Point: 337.0±42.0 °C at 760 mmHg
Density: 1.5±0.1 g/cm3
MF: C10H6O4
CAS: 4940-39-0
Melting_Point: 260 °C (dec.)(lit.)
Flash_Point: 138.9±21.4 °C
FW: 190.152
MF: C10H6O4
Water_Solubility: sparingly soluble
Bolling_Point: 337.0±42.0 °C at 760 mmHg
Exact_Mass: 190.026611
More_Info: ['1 . Appearance White 粉末 ', '2 . Density不确定 ', '3 . Relative vapor density(g/mL,Atmosphere =1)不确定 ', '4 . Melting point(ºC)260 ', '5 . Boiling point(ºC)不确定 ', '6 . Boiling point(ºC,006mmHg)不确定 ', '7 . Refractive index(nD20)不确定 ', '8 . Flash point(ºC)不确定 ', '9 . Specific rotation(º, C=025, MeOH)不确定 ', '10 . Spontaneous ignition point or ignition temperature(ºC)不确定 ', '11 . Vapor pressure(kPa,25ºC)不确定 ', '12 . Saturated vapor pressure(kPa,60ºC)不确定 ', '13 . Combustion heat(KJ/mol)不确定 ', '14 . Critical temperature(ºC)不确定 ', '15 . Critical pressure(KPa)不确定 ', '16 . Oil-water(Octanol /Water )Logarithmic Value of Distribution Coefficient 不确定 ', '17 . Upper limit of explosion(%,V/V)不确定 ', '18 . Lower limit of explosion(%,V/V)不确定 ', '19 . Solubility 微Soluble in Water ']
Melting_Point: 260 °C (dec.)(lit.)
PSA: 67.51000
Flash_Point: 138.9±21.4 °C
Refractive_Index: 1.640
Density: 1.5±0.1 g/cm3
Molecular_Structure: ['1 . Molar refractive index 4586 ', '2 . Molar volume (m3/mol)1273 ', '3 . Parachor (902K)3641 ', '4 . Surface tension 668 ', '5 . Polarizability (10 -24cm 3)1818']
Computational_Chemistry: ['1. XlogP :N/A ', '2. Hydrogen Bond Donor Count :1 ', '3. Hydrogen Bond Acceptor Count :4 ', '4. Rotatable Bond Count :1 ', '5. Isotope Atom Count :N/A ', '6. TPSA 636 ', '7. Heavy Atom Count :14 ', '8. Topological Polar Surface Area :0 ', '9. Complexity :305 ', '10. Isotope Atom Count :0 ', '11. Defined Atom Stereocenter Count :0 ', '12. Undefined Atom Stereocenter Count :0 ', '13. Defined Bond Stereocenter Count :0 ', '14. Undefined Bond Stereocenter Count :0 ', '15. Covalently-Bonded Unit Count :1']
FW: 190.152
LogP: 1.65
Vapor_Pressure: 0.0±0.8 mmHg at 25°C
Risk_Statements(EU): R36/37/38
Hazard_Codes: Xi:Irritant;
RTECS: DJ2476000
HS_Code: 2918300090
Safety_Statements: S26-S36-S37/39
WGK_Germany: 3

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