

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 |
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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 |
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Hazard_Codes: | Xi:Irritant; |
RTECS: | DJ2476000 |
HS_Code: | 2918300090 |
Safety_Statements: | S26-S36-S37/39 |
WGK_Germany: | 3 |
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