Mellitic acid

Structural formula

• Numbering system
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

Numbering system

CAS number:517-60-2

MDL number:MFCD00002469

EINECS number:208-243-6

RTECS number:None

BRN number:2228443

PubChem number:24896757

Physical property data

1. The standard heat of combustion (enthalpy) of the crystal phase (kJ·mol^-1): -3280.88

2. The standard claim heat (enthalpy) of the crystal phase (kJ ·mol^-1): -2298.77

3. Relative vapor density (g/cm³, air=1): Undetermined

4. Melting point (ºC): 290

5. Boiling point (ºC, normal pressure): Undetermined

6. Boiling point (ºC, 8kPa): Undetermined

7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Undetermined

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10. Autoignition point or ignition temperature (ºC): Undetermined

11. Vapor pressure (kPa, 25ºC): Undetermined

12. Saturated vapor pressure (kPa, 60ºC): Undetermined

13. Heat of combustion (KJ/mol): Undetermined

14. Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Log value of oil-water (octanol/water) partition coefficient: Undetermined

17. Explosion upper limit (%, V /V): Undetermined

18. Lower explosion limit (%, V/V): Undetermined

19. Solubility: Undetermined

Toxicological data

None yet

Ecological data

This substance may be harmful to the environment, and special attention should be paid to water bodies.

Molecular structure data

1. Molar refractive index: 67.88

2. Molar volume (cm³/mol): 164.6

3. Isotonic specific volume (90.2K ): 580.0

4. Surface tension (dyne/cm): 154.1

5. Polarizability (10^-24cm³): 26.89

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): -0.9

2. Number of hydrogen bond donors: 6

3. Number of hydrogen bond acceptors: 12

4. Number of rotatable chemical bonds: 6

5. Number of tautomers: none

6. Topological molecule polar surface area 224

7. Number of heavy atoms: 24

8. Surface charge: 0

9. Complexity: 470

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Confirm��Number of stereocenters of chemical bonds: 0

14. Number of stereocenters of uncertain chemical bonds: 0

15. Number of covalent bond units: 1

Properties and stability

Use and store according to specifications, no decomposition will occur, and avoid contact with oxides

Storage method

Stored in a cool, dry and well-ventilated warehouse. Keep away from fire and heat sources. Protect from direct sunlight. The packaging is sealed. They should be stored separately from acids and food chemicals, and avoid mixed storage. Suitable materials should be available in the storage area to contain spills.

Synthesis method

Exists in a variety of coal and wood products. It can be obtained by heating charcoal and nitric acid. It can also be prepared from 4-halogenated phthalic acid.

Purpose

Used to make pyromellitic acid, etc.

Resource:allhdi.com