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1,2,4,5-Benzenetetracarboxylic acid

  Post Date: Oct 12,2019
  Expiry Date: Apr 09,2020
  Detailed Description: Cas No. :89-05-4

In the pyromellitic acid refining unit, crude pyromellitic dianhydride obtained by air-phase catalytic oxidation of Pyromellitic benzene is refined and dried. Leading technology in domestic production. Product quality is stable and reliable, analysis means are complete, products are sold all over the world.

Product performance

Pyromellitic acid is crystal white powder, with relative density of 1.79. Its soluble in alcohol and slightly soluble in ether and water. It is a chemical intermediate with many uses.

Product quality index

Purity: ≥ 98.5%

Moisture and impurities: ≤ 1.5%

Melting point: ≥ 260 degrees.

Packaging and transportation

Packaging: The product is packed with double lamp, inner plastic film and outer special woven bag. It can be measured and packed according to customers'needs. The default net weight is 25 kg.

Storage: The product is stored in volume, ventilation warehouse, away from fire, heat source, should be stored separately from oxidants and alkalis, and should be handled lightly to prevent packaging damage.

  CAS Registry Number:


  Synonyms: ;Pyromellitic acid hydrate;Pyromellitic acid;benzene-1,2,4,5-tetracarboxylic acid;benzene-1,2,4,5-tetracarboxylate;1,2,4,5-TETRACARBOXYBENZENE;
  Molecular Formula: C10H2O8
  Molecular Weight: 250.1203
  Molecular Structure: 89-05-4 1,2,4,5-Benzenetetracarboxylic acid
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;

  Company: Puyang Long De Young New Material Co., Ltd.     [ China ]          
  Contact: Manager Zhao
  Tel: 086-393-3267711
  Fax: 086-393-3267711
  Email: Adam.zhao@pyldy.com
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