Ecamsule

  • (E-E)-3,3'-(1,4-phenylenedimethylidene)bis(2-oxobornane-10-sulfonic acid)
  • Bicyclo[2.2.1]heptane-1-methanesulfonic acid, 3,3'-(1,4-phenylenedimethylidyne)bis[7,7-dimethyl-2-oxo-
  • Terephthalylidene-3,3'-dicamphor-10,10'-disulfonic acid
  • Mexoryl SX
  • Terephthalylidene dicamphor sulfonic acid
Formula
C28H34O8S2
Structure
Description
Distributed at 33% aqueous solution. Brownish liquid that is p;ractically odorless.
Uses
Sunscreen.

Registry Numbers and Inventories.
CAS
92761-26-7
EC (EINECS/ELINCS)
410-960-6
EC Index Number
607-297-00-1
S: (2-)26-39
Merck
12,10474

Properties.
Formula
C28H34O8S2
Formula mass
562.71
Melting point, °C
255 (decomposes)
Density
1.42 g/cm3
Solubility in water
Soluble
pKa/pKb
0.84 (pKa)
Partition coefficient, pKow
1.35

Hazards and Protection.
Incompatibilities
Strong bases, strong oxidants.

Fire.

Health.
Exposure effects

First aid
 

Transport.