Appearance:Crystalline Powder
Throughput:100|Kilogram|Day
pd_productuse:intermediate
Delivery Time:instock
Purity:99.9
Product Name: Pyromellitic acid
CAS: 89-05-4
MF: C10H6O8
MW: 254.15
EINECS: 201-879-5
Mol File: 89-05-4.mol
Pyromellitic acid Structure
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 14,8004
Stability: Stable. Incompatible with strong oxidizing agents, strong bases.
InChIKey CYIDZMCFTVVTJO-UHFFFAOYSA-N
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)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38-36
Safety Statements 26-36-37/39-24/25
WGK Germany 3
RTECS DB9275000
F 34
TSCA Yes
HS Code 29173980
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