1,2,4,5-Benzenetetracarboxylic acid supplier

Name
1,2,4,5-Benzenetetracarboxylic acid
EINECS 201-879-5
CAS No. 89-05-4
Article Data107
CAS DataBase
Density 1.821 g/cm³
Solubility 1.5 g/100 mL (20 °C) in water
Melting Point 281-284.5 °C(lit.)
Formula C₁₀H₆O₈
Boiling Point 585.8 °C at 760 mmHg
Molecular Weight 254.153
Flash Point 322.1 °C
Transport Information
Appearance White powder
Safety 26-36-37/39-24/25
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms 1,2,4,5-Tetracarboxybenzene;4-09-00-03804 (Beilstein Handbook Reference);AI3-28523;BRN 1887659;NSC 6369;USAF XR-20;Pyromellitic acid;
PSA 149.20000
LogP 0.47940

1,2,4,5-Benzenetetracarboxylic acid Chemical Properties

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

1,2,4,5-Benzenetetracarboxylic acid Uses

Pyromellitic acid (PMA) is mainly used as intermediate for powder coating. Product Data Sheet.

1,2,4,5-Benzenetetracarboxylic acid Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	300mg/kg (300mg/kg)		National Technical Information Service. Vol. AD277-689,

1,2,4,5-Benzenetetracarboxylic acid Consensus Reports

Reported in EPA TSCA Inventory.

1,2,4,5-Benzenetetracarboxylic acid Safety Profile

Hazard Codes: Irritant 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.

1,2,4,5-Benzenetetracarboxylic acid Specification

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.

Product Name

1,2,4,5-Benzenetetracarboxylic acid