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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:  

C8H6O5
Structural Formula:   5-Hydroxyisophthalic acid
Molecular Weight:   182.13
Characteristics:  

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%

Wrappage

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

Storage

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

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