Compound Q&A

What is Isophthalic acid (CAS: 121-91-5)?

Answer

Isophthalic acid
Isophthalic acid (CAS: 121-91-5) is an aromatic dicarboxylic acid with the chemical formula C8H6O4. It is a white crystalline solid that is soluble in water and organic solvents. Known for its strong acidic properties and ability to form esters and salts, isophthalic acid is widely used in chemical synthesis and industrial applications.

About

CAS No 121-91-5
English Name Isophthalic acid
Molecular Formula C8H6O4
Molecular Weight 166.13199999999998 g/mol
SMILES OC(=O)c1cccc(c1)C(=O)O
InChIKey QQVIHTHCMHWDBS-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:07

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