4-Sulfophthalic Acid
[CAS# 89-08-7]

Identification

• Classification: Pharmaceutical intermediate >> API intermediate
• Name: 4-Sulfophthalic Acid
• Synonyms: Nsc100615; 283266_Aldrich; 4-Sulfophthalic Acid Solution
• Molecular Formula: C₈H₆O₇S
• Molecular Weight: 246.19
• CAS Registry Number: 89-08-7
• EINECS: 201-881-6
• SMILES: C1=C([S](=O)(=O)O)C=CC(=C1C(=O)O)C(=O)O
• InChI: 1S/C8H6O7S/c9-7(10)5-2-1-4(16(13,14)15)3-6(5)8(11)12/h1-3H,(H,9,10)(H,11,12)(H,13,14,15)
• InChIKey: WNKQDGLSQUASME-UHFFFAOYSA-N

Properties

• Density: 1.292 (Expl.)
• Refractive index: 1.447 (Expl.)

Safety Data

• Safety Code: S20;S23;S26;S36/37/39;S45;S60
• Risk Code: R34
• Hazard Symbol: C
• Transport Information: UN3265
• Safety Description: DANGER: CORROSIVE, burns skin and eyes

References

• (1): Goutam Mahata, Sandipan Roy and Kumar Biradha. Separation of isomers of sulfophthalic acid by guest induced host framework formation with 4,4′-bipyridine, Chem. Commun., 2011, 47, 6614.