CAS 89-05-4 | Pyromellitic Acid
Molecular Formula: C10H6O8
Molecular Weight: 254.15
EINECS: 201-879-5
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Product Introduction
Specification of CAS 89-05-4 | Pyromellitic acid
ITEMS | SPECIFICATION |
Melting point | 281-284.5 °C(lit.) |
color | White to very slightly yellow |
solubility | 0.1 M NaOH |
storage temp. | Store below +30°C. |
Merck | 14,8004 |
Fp | 325 °C |
refractive index | 1.7010 |
form | Crystalline Powder |
EPA Substance Registry System | 1,2,4,5-Benzenetetracarboxylic acid (89-05-4) |
Water Solubility | 1.5 g/100 mL (20 ºC) |
density | 0,56 g/cm3 |
Stability | Stable. Incompatible with strong oxidizing agents, strong bases. |
Boiling point | 317.36°C |
pka | pK1 |
InChIKey | CYIDZMCFTVVTJO-UHFFFAOYSA-N |
NIST Chemistry Reference | 1,2,4,5-Benzene-tetracarboxylic acid(89-05-4) |
CAS DataBase Reference | 89-05-4(CAS DataBase Reference) |
Synthesis of CAS 89-05-4 | Pyromellitic acid
Conditions
Stage #1: 2,4,5-trimethylbenzaldehyde With air at 220℃; under 24002.4 Torr;
Stage #2: With air at 220℃; under 21752.2 Torr;
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