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Pyromellitic acid CAS 89-05-4

White to slightly yellow powdery crystal. Melting point 276°C (anhydrous), 242°C (with 2 molecules of water of crystallization), relative density 1.79. Soluble in alcohol, slightly soluble in ether and water. Can sublimate.
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  • 89-05-4

  • bosschemical

  • 89-05-4

Pyromellitic acid Basic information
Product Name: Pyromellitic acid
CAS: 32632
MF: C10H6O8
MW: 254.15
EINECS: 201-879-5
Mol File: 89-05-4.mol
Pyromellitic acid Chemical Properties
Melting point  281-284.5 °C(lit.)
Boiling point  317.36°C (rough estimate)
density  0,56 g/cm3
refractive index  1.7010 (estimate)
Fp  325 °C
storage temp.  Store below +30°C.
solubility  0.1 M NaOH: 0.2 M, clear, faintly yellow
pka pK1: 1.92;pK2: 2.87;pK3: 4.49;pK4: 5.63 (25°C)
form  Crystalline Powder
color  White to very slightly yellow
Water Solubility  1.5 g/100 mL (20 ºC)
Merck  148,004
Stability: Stable. Incompatible with strong oxidizing agents, strong bases.
InChIKey CYIDZMCFTVVTJO-UHFFFAOYSA-N
LogP 0.15 at 25℃
CAS DataBase Reference 89-05-4(CAS DataBase Reference)
NIST Chemistry Reference 1,2,4,5-Benzene-tetracarboxylic acid(89-05-4)
EPA Substance Registry System 1,2,4,5-Benzenetetracarboxylic acid (89-05-4)

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