• Responsible approach
    the environment
  • Strong in strategic research and development
  • Developed export
    around the world
  • European manufacturer of specialty chemicals
  • The long tradition
    on the market since 1920
You can search name, CAS, EINECS

5-Hydroxyisophthalic acid

Chemical Name:   5-Hydroxyisophthalic acid
CAS:   618-83-7
EINECS:   210-565-7
Synonyms:   5-Hydroxy-1,3-benzenedicarboxylic acid
Chemical Formula:  


Structural Formula:   5-Hydroxyisophthalic acid
Molecular Weight:   182.13

white fine crystals, odourless             



Quality values

Content of 5-HIPA (by titration)   min. 99.0%    
Content of 5-HIPA (HPLC)   min. 99.8%    
5-Sulfoisophthalic acid (HPLC)   max. 0.1%    
Isophthalic acid (HPLC)   max. 0.1%    
4-HIPA (HPLC)   max. 0.05%    
Melting point   min. 298°C    
Ash   max. 0.05%    
Heavy metals (Ph.Eur. method)   max. 10 ppm    
Iron (Ph.Eur. method)   max. 10 ppm    
Water - content (K. Fischer)   max. 0.5%


Steel drums with PE insert a 50 kg or packing in accordance with the requirement of customer.


Store in original tightly closed packings in dry areas protected from direct weather conditions.

Detailed product information can also be saved in PDF format    PDF
20/12/2021  |  Synthesia
Merry Christmas and a Happy New Year 2022
20/10/2021  |  Organic chemistry
Synthesia at the fair CPhI 2021
18/12/2020  |  Synthesia
Happy New Year 2021