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Storage Condition
Store at refrigerator (2-8°C) for long term storage
IUPAC Name
4-hydroxyisophthalic acid
References
"Chester; et al,: Nature; 206; 175 (1955);"
Synonyms
Salicylic acid EP impurity B; Acetylsalicylic acid EP impurity B; 4-Hydroxy-1,3-benzenedicarboxylic acid (ACI); Isophthalic acid, 4-hydroxy- (6CI, 7CI, 8CI)
Application Notes
4-Hydroxyisophthalic acid has been proposed as an improvement over aspirin. An impurity of Acetylsalicylic acid (A187780).
Purity by HPLC
Not less than 90%
Hazard Compound
Yes -Refer MSDS for accurate information
Aspirin Impurity B is a drug product that is used as an analytical standard for HPLC, as well as in research and development of drugs.
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