IUPAC Name: Benzene-1,2,4,5-tetracarboxylic acid
Synonyms of Pyromellitic acid (CAS NO.89-05-4): 1,2,4,5-Tetracarboxybenzene ; 4-09-00-03804 (Beilstein Handbook Reference) ; AI3-28523 ; BRN 1887659 ; EINECS 201-879-5 ; NSC 6369 ; USAF XR-20 ; 1,2,4,5-Benzenetetracarboxylic acid
CAS NO: 89-05-4
Molecular Formula of Pyromellitic acid (CAS NO.89-05-4): C10H6O8
Molecular Weight: 254.1498
Molecular Structure:
Melting Point: 281-284.5 °C
ProductCategories: Intermediates of Dyes and Pigments
Solubility in water:1.5 g/100 mL (20 oC)
Appearance:White powder
Stability: Stable. Incompatible with strong oxidizing agents, strong bases.
Polar Surface Area: 105.2 ?2
Index of Refraction: 1.7
Molar Refractivity: 53.97 cm3
Molar Volume: 139.5 cm3
Surface Tension: 113.7 dyne/cm
Density of Pyromellitic acid (CAS NO.89-05-4): 1.821 g/cm3
Flash Point: 322.1 °C
Enthalpy of Vaporization: 92.03 kJ/mol
Boiling Point: 585.8 °C at 760 mmHg
Vapour Pressure: 1.45E-14 mmHg at 25°C
Pyromellitic acid (PMA) is mainly used as intermediate for powder coating. Product Data Sheet.
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | intraperitoneal | 300mg/kg (300mg/kg) | National Technical Information Service. Vol. AD277-689, |
Reported in EPA TSCA Inventory.
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-37/39-24/25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
S37/39: Wear suitable gloves and eye/face protection.
S24/25: Avoid contact with skin and eyes.
WGK Germany: 3
RTECS: DB9275000
F: 34
HS Code: 29173980
Poison by intraperitoneal route. When heated to decomposition it emits acrid smoke and irritating vapors.
Chemical Stability: Not available
Conditions to Avoid: Incompatible materials.
Incompatibilities with Other Materials Strong oxidizing agents, strong bases.
Hazardous Decomposition Products Carbon monoxide, carbon dioxide.
Hazardous Polymerization Has not been reported.
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