The Sigma-Aldrich catalog lists 3 grades and pack sizes of 4-Hydroxyisophthalic acid (CAS 636-46-4). Pick the code you need and request a quote for price and lead time from Klar Chem.
| CAS | 636-46-4 |
|---|---|
| Molecular formula | C8H6O5 |
| Molecular weight | 182.13 g/mol |
| IUPAC name | 4-hydroxybenzene-1,3-dicarboxylic acid |
| Synonyms | 4-Hydroxybenzene-1,3-dicarboxylic acid · Eupirina · 4-Hydroxy-m-phthalic acid · Isophthalic acid, 4-hydroxy- · 4-HIPA · 4-HYDROXY-1,3-BENZENEDICARBOXYLIC ACID |
Irritant
⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).
| Brand | Product / grade | Code | |
|---|---|---|---|
| Sigma | 4-HYDROXYISOPHTHALIC ACID | 797057-250MG PHR1643-200MG |
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| Sigma | SALICYLIC ACID IMPURITY B | Y0000405 | Request Quote |
For information only; specifications and availability are confirmed at quotation. Prices are not listed.
