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Terephthalylidene dicamphor sulfonic acid

Also known as: Ecamsule, Mexoryl SX, Terephthalidene dicamphor sulphonic acid, 3,3'-(1,4-phenylenebis(methanylylidene))bis(7,7-dimethyl-2-oxobicyclo[2.2.1]heptane-1-methanesulfonic acid), Bicyclo[2.2.1]heptane-1-methanesulfonic acid, 3-[[4-[(E)-[7,7-dimethyl-3-oxo-4-(sulfomethyl)bicyclo[2.2.1]hept-2-ylidene]methyl]phenyl]methylene]-7,7-dimethyl-2-oxo-, (3Z)-

Terephthalylidene dicamphor sulfonic acid (CAS 90457-82-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C28H34O8S2 and a molecular weight of 562.695 g/mol. Key property: a density of 1.4±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90457-82-2
Jingsj CID
J-1017614-0
Molecular Formula
C28H34O8S2
Molecular Weight
562.695 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Density1.4±0.1 g/cm3
Exact Mass562.169495
PSA159.64000
LogP1.35
Refractive Index1.631

Frequently Asked Questions

What is the CAS number of Terephthalylidene dicamphor sulfonic acid?

The CAS number of Terephthalylidene dicamphor sulfonic acid is 90457-82-2.

What are the molecular formula and molecular weight of Terephthalylidene dicamphor sulfonic acid?

Terephthalylidene dicamphor sulfonic acid has molecular formula C28H34O8S2 and molecular weight 562.695 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Terephthalylidene dicamphor sulfonic acid (CAS 90457-82-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1017614-0 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.