4-Sulfophthalic acid

4-磺基邻苯二甲酸

Also known as: 4-Sulphophthalic acid, 4-sulfo-1,2-benzenedicarboxylic acid, EINECS 201-881-6, MFCD00007494, 4-Sulfophthalic acid (ca. 50% in water)

CAS No.
89-08-7
Jingsj CID
J-42779-9
Molecular Formula
C8H6O7S
Chinese Name
4-磺基邻苯二甲酸
Molecular Weight
246.19400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Density1.292 g/mL at 25 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Sulfophthalic acid?

89-08-7

What are the molecular formula and molecular weight of 4-Sulfophthalic acid?

C8H6O7S, molecular weight 246.19400 g/mol

Is 4-Sulfophthalic acid hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026