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Ecamsule

Also known as Terephthalylidene dicamphor sulfonic acid, Ecamsul, Mexoryl

CAS 92761-26-7Formula C28H34O8S2Molar mass 562.71 g/molEC 410-960-6
GHS signal word: Danger. Pictograms: Corrosive 13 suppliers listed
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Ecamsule chemical structure, C28H34O8S2, CAS 92761-26-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
92761-26-7
Formula
C28H34O8S2
Appearance
Solid
Melting point
255 °C
HS code
291479
Category
UV filters
Illustrative photo, closed jumbo bulk bags in a warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Ecamsule?

Plain description, key identifiers and synonyms

Ecamsule is a monoterpenoid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[3-[[4-[[7,7-dimethyl-3-oxo-4-(sulfomethyl)-2-bicyclo[2.2.1]heptanylidene]methyl]phenyl]methylidene]-7,7-dimethyl-2-oxo-1-bicyclo[2.2.1]heptanyl]methanesulfonic acid
CAS number
92761-26-7 CAS number cross-checkedOther or deprecated CAS: 90457-82-2
EC numbers
410-960-6, 804-567-2, 922-216-2
Molecular formula
C28H34O8S2
UNII
M94R1PM439
INCI name
TEREPHTHALYLIDENE DICAMPHOR SULFONIC ACID
InChIKey
HEAHZSUCFKFERC-UHFFFAOYSA-N
InChI
InChI=1S/C28H34O8S2/c1-25(2)21-9-11-27(25,15-37(31,32)33)23(29)19(21)13-17-5-7-18(8-6-17)14-20-22-10-12-28(24(20)30,26(22,3)4)16-38(34,35)36/h5-8,13-14,21-22H,9-12,15-16H2,1-4H3,(H,31,32,33)(H,34,35,36)
SMILES (canonical and isomeric)
CC1(C2CCC1(C(=O)C2=CC3=CC=C(C=C3)C=C4C5CCC(C4=O)(C5(C)C)CS(=O)(=O)O)CS(=O)(=O)O)C

Synonyms

  • Terephthalylidene dicamphor sulfonic acid
  • Ecamsul
  • Mexoryl
  • Mexoryl SX
  • Ecamsulum
  • (E-E)-3,3'-(1,4-Phenylenedimethylidene)bis(2-oxobornane-10-sulfonic acid)
  • 3,3'-(1,4-Phenylenedimethylidyne)bis(7,7-dimethyl-2-oxobicyclo(2.2.1)heptane-1-methanesulfonic acid)
  • [(3E)-3-[[4-[(Z)-[7,7-dimethyl-3-oxo-4-(sulfomethyl)norbornan-2-yliden e]methyl]phenyl]methylidene]-7,7-dimethyl-2-oxo-norbornan-1-yl]methane sulfonic acid
  • (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-
  • Bicyclo(2.2.1)heptane-1-methanesulfonic acid, 3,3'-(1,4-phenylenedimethylidyne)bis(7,7-dimethyl-2-oxo-, (1S-(1alpha(1R*,4R*),4beta))-
  • terephthalylidenedicamphorsulfonic acid
  • terephthalylidenedicamphorsulphonic acid
  • Terephthalylidenedicamphor sulphonic acid
  • (+-)-(3E,3'E)-(p-Phenylenedimethylidyne)bis(2-oxo-10-bornanesulfonic acid)
  • (+-)-(3E,3'E)-3,3'-(p-Phenylenedimethylidyne)bis(2-oxo-10-bornanesulfonic acid)
  • [3-[[4-[[7,7-dimethyl-3-oxo-4-(sulfomethyl)norbornan-2-ylidene]methyl]phenyl]methylene]-7,7-dimethyl-2-oxo-norbornan-1-yl]methanesulfonic acid
  • {1,4-Phenylenebis[methanylylidene(7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl-3-ylidene)]}dimethanesulfonic acid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Solidexp.
Melting point
255 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
562.71 g/molcalc.
Exact mass
562.1695 Dacalc.
LogP (octanol/water)
4.24calc.
Topological polar surface area
142.9 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
6calc.
Heavy atoms
38calc.
Rings
5calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.57calc.
Formal charge
0calc.
Stereocentres
4calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1C(=Cc2ccc(C=C3C(=O)C4CCC3C4)cc2)C2CCC1C2

O=C1C(=Cc2ccc(C=C3C(=O)C4CCC3C4)cc2)C2CCC1C2

5 rings, 24 atoms.

7 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive

Hazard statements

  • H318Causes serious eye damage.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Ecamsule suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 13 suppliers
13 of 13 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

13 suppliers in 3 countries

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Ecamsule price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Broad spectrum UVA absorber with some UVB absorption.

Use classes: Cosmetics.

Cosmetic ingredient, INCI name TEREPHTHALYLIDENE DICAMPHOR SULFONIC ACID(light stabilizer, uv absorber, uv filter)

Pharmacological actions

  • Sunscreening Agents

Functional uses

  • UV stabilizer

Cosmetic functions

  • Light stabilizer
  • UV absorber
  • UV filter

How it is made

Preparation: G. Lang et al., German patent 3321679, eidem, United States of America patent 4585597 (1983, 1986 both to L'Oreal).

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 607-297-00-1

Health and food

  • EU cosmetic ingredient inventory
  • EU Cosmetics Regulation Annex VI, allowed UV filter
    Name: TEREPHTHALYLIDENE DICAMPHOR SULFONIC ACID, Ref no: 7, Annex ref: VI/7

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Ecamsule is traded under.

HS 2914.79Indicative HS code

Halogenated, sulphonated, nitrated or nitrosated derivatives, other

World exports in 2024
$558M
−12.1% vs 2023, imports $608M
2019 to 2024
Top exporters
  1. China41.2%
  2. India * partner reported28.7%
  3. Germany16.7%
Top importers
  1. United States29.1%
  2. Italy9.9%
  3. Switzerland * partner reported8.8%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Ecamsule is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Ecamsule, based on the data on this page

What is Ecamsule?

Ecamsule is a monoterpenoid.

What is the CAS number of Ecamsule?

The CAS registry number of Ecamsule is 92761-26-7. Other or deprecated CAS numbers: 90457-82-2.

What is the molecular formula and weight of Ecamsule?

The molecular formula of Ecamsule is C28H34O8S2 and its molar mass is 562.71 g/mol.

What is Ecamsule used for?

Broad spectrum UVA absorber with some UVB absorption. Use classes: Cosmetics.

Is Ecamsule hazardous?

Ecamsule carries the GHS signal word "Danger". Main hazards: causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Ecamsule?

Ecamsule is usually classified under HS code 291479 (Halogenated, sulphonated, nitrated or nitrosated derivatives, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ecamsule?

CompoundList lists 13 suppliers of Ecamsule in China, United Kingdom and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Ecamsule in India?

1 supplier in India list Ecamsule on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Ecamsule?

Suppliers quote Ecamsule on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Ecamsule

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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