CHemwill - 1,2,4,5-...

CHemwill - 1,2,4,5-Benzenetetracarboxylic acid
CHemwill - 1,2,4,5-Benzenetetracarboxylic acid

CHemwill - 1,2,4,5-Benzenetetracarboxylic acid

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1 Kilogram

FOB Price: USD 1.0000

  • Min.Order :1 Kilogram
  • Purity: high quality
  • Payment Terms : L/C,D/A,T/T

Keywords

1,2,4,5-Benzenetetracarboxylic acid 89-05-4 China supplier 1,2,4,5-Benzenetetracarboxylic acid Pyromellitic Acid 1,2,4,5-Benzenetetracarboxylic acid

Quick Details

  • Appearance:As per COA
  • Application:It is an important raw material and intermediate for chemical industry.
  • PackAge:export standard
  • ProductionCapacity:5|Metric Ton|Day
  • Storage:high quality and we have in stock
  • Transportation:By AIR or by SEA

Superiority:

Chemwill Asia co.,Ltd is one of the leading manufacturer  in CHINA. 

Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary,  Indole derivatives, Aromatics, Fluorine, Boronic acids, organocatalysts, chiral building blocks, heterocyclic compounds. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place. 

Our R&D team masters core technology for process-design of target building block as well as Tailor-made fine chemicals. Our manufactory specialised in extreme temperature conditions (-100ºC to +300ºC), hydrogenations reaction under high pressure, suzuki coupling reaction, photochemical reaction, Mitsunobu reactions, enantioselective reactions and asymmetric synthesis. 

1.Client is first.

2.Credibility is the most important.

3.Quality control is our life.

4.Great sense of responsibility.

5.We will be responsible for not only our products, our clients, also the society.

The corporation's destination: we will constantly strive to supply customers with new and high-tech products and will keep the leadership in the field. 

 

Details:

 
1,2,4,5-Benzenetetracarboxylic acid Basic information
Product Name: 1,2,4,5-Benzenetetracarboxylic acid
Synonyms: 1,2,4,5-Benzenetetracarboxylic acid,Pyromellitic acid;1,2,4,5-Benzenetetracarboxylic acid, 96% 100GR;USAF xr-20;1,2,4,5-Benzenetetracarboxylic acid, 96% 5GR;1,2,4,5-BENZENETETRACARBOXYLIC ACID FOR;Pyrome1htic Acid;usafxr-20;BUFFER SOLUTION, PH 7.7
CAS: 89-05-4
MF: C10H6O8
MW: 254.15
EINECS: 201-879-5
Product Categories: -;Intermediates of Dyes and Pigments
Mol File: 89-05-4.mol
1,2,4,5-Benzenetetracarboxylic acid Structure
 
1,2,4,5-Benzenetetracarboxylic 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
form  Crystalline Powder
pka pK1: 1.92;pK2: 2.87;pK3: 4.49;pK4: 5.63 (25°C)
color  White to very slightly yellow
Water Solubility  1.5 g/100 mL (20 ºC)
 
White to yellowish powdery crystals. The melting point is 276℃ (anhydrous), 242℃ (with 2 molecules of crystal water), and the relative density is 1.79. Soluble in alcohol, slightly soluble in ether and water. Can be sublimated.
Used in the synthesis of polyimide, octyl phentetracarate, etc., is the main raw material for the production of extinction curing agent
 

 

 

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