Pyromellitic Acid /1 2 4 5-Benzenetetracarboxylic Acid CAS 89-05-4

Product name:Pyromellitic acid/1 2 4 5-Benzenetetracarboxylic acid
CAS:89-05-4
MF:C10H6O8
MW:254.15

EINECS: 201-879-5
Melting point: 281-284.5 °C
Density: 0,56 g/cm3

Purity:≥98%

White crystalline powder

1. Pyromellitic acid CAS 89-05-4 is primarily used as a monomer for synthesizing polyimides and other high-performance polymers, valued for their thermal stability and mechanical strength.
2. 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 serves as a curing agent for epoxy resins and a crosslinking agent for alkyd resins, and is an intermediate for powder coatings and plasticizers.
3. Pyromellitic acid CAS 89-05-4 is employed as an eluent in anion chromatography and forms complexes with magnesium and calcium ions.
4. 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 is used in pharmaceutical applications, adhesives and sealants, and as a food additive acting as a stabilizer and acidity regulator.

1. Store Pyromellitic acid CAS 89-05-4 in a dry, cool, and well-ventilated place, keeping the container tightly closed.
2. 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 is hygroscopic and should be stored under an inert gas atmosphere.
3. Store Pyromellitic acid CAS 89-05-4 at room temperature, recommended in a cool and dark place below 15°C.
4. Keep 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 away from strong oxidizing agents and strong bases.

1. Pyromellitic acid CAS 89-05-4 causes skin irritation (H315).
2. 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 causes serious eye irritation (H319).
3. Pyromellitic acid CAS 89-05-4 may cause respiratory irritation (H335).
4. 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 has an intraperitoneal LD50 of 300 mg/kg in mice and is reported as a skin and strong eye irritant.

1. Pyromellitic acid CAS 89-05-4 is not safe for ingestion and should be handled only by trained personnel.
2. 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 requires protective gloves, safety goggles, and appropriate clothing in a well-ventilated area.
3. Pyromellitic acid CAS 89-05-4 is classified as a warning-level hazard (GHS07) with the signal word Warning.
4. 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 must not be released into drains or the environment, and spills should be collected without creating dust and disposed of as hazardous waste.

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