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CAS 5872-08-2 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 9175128/08/2014

CAMPHOR SULFONIC ACID

Bicyclo[2.2.1]heptane-1-methanesulfonic acid, 7,7-dimethyl-2-oxo-,2-Oxo-10-bornanesulfonic acid

CAMPHOR SULFONIC ACID is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 5872-08-2

CAS 5872-08-2PubChem CID 18462

Bicyclo[2.2.1]heptane-1-methanesulfonic acid, 7,7-dimethyl-2-oxo-, (1S)-

Camphorsulfonic acid is a sulfonic acid containing the camphorsulfonate anion. It is functionally related to a camphor. It is a conjugate acid of a camphorsulfonate anion. — ChEBI

IUPAC name: (7,7-dimethyl-2-oxo-1-bicyclo[2.2.1]heptanyl)methanesulfonic acid

Molecular formula: C10H16O4S
Molecular weight: 232.30 g/mol
Exact mass: 232.07693016 Da
XLogP3: 0.5
Topological polar surface area: 79.8 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 0

Also known as

Bicyclo(2.2.1)heptane-1-methanesulfonic acid, 7,7-dimethyl-2-oxo-, (1S)-RefChem:568146(7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acidDL-10-Camphorsulfonic acidcamphor sulfonic acid(+)-10-CAMPHORSULFONIC ACIDd-10-Camphorsulfonic acid7,7-Dimethyl-2-oxobicyclo[2.2.1]heptane-1-methanesulfonic acid

16 more reported names

DL-CAMPHORSULFONIC ACID(+/-)-10-Camphorsulfonic Acid(+)-Camphorsulfonic acidD-Camphor-10-sulfonic acid( inverted exclamation markA)-Camphor-10-sulfonic acidCamphor-10-sulfonic acidL-10-(-)-Camphor sulfonic acid(+/-)-Camphor-10-sulfonic acid(-)-CSA{7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl}methanesulfonic acid(7,7-dimethyl-2-oxo-norbornan-1-yl)methanesulfonic acid10-Camphorsulfonic acid(+)-Camphor-10-sulfonic acid(+)-CSAL-Camphor-10-sulfonic acid1R-(-)-Camphorsulfonic acid

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:55379
ChEMBL:CHEMBL5596548
EPA DTXSID:DTXSID60863113
PubMed:22889048
PubMed:22744916
PubMed:22685563
PubMed:22662204
PubMed:22573976
PubMed:22548473
PubMed:22548128
PubMed:22509202
PubMed:22302165
PubMed:22277278
PubMed:22253760
PubMed:22251083

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for CAMPHOR SULFONIC ACID

INCI name

CAMPHOR SULFONIC ACID

Description

Bicyclo[2.2.1]heptane-1-methanesulfonic acid, 7,7-dimethyl-2-oxo-,2-Oxo-10-bornanesulfonic acid

Record provenance

Inventory reference: 91751
Imported identity: CAMPHOR SULFONIC ACID
Source update: 28/08/2014

European Commission CosIng source notes

Annex records for CAMPHOR SULFONIC ACID

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Key data

CAS

5872-08-2

227-527-0 (I)

Restriction

—

Function

NOT REPORTED: No function currently reported.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#5172 · CAMPHOR SULFONIC ACID

Ingredients with overlapping formulation functions

C6-14 PERFLUOROALKYLETHYL ACRYLATENOT REPORTED

C8-10 PERFLUOROALKYLETHYL ACRYLATENOT REPORTED

C8-22 ALKYL ACRYLATENOT REPORTED

CALCIUM ACRYLATENOT REPORTED

CANDIDA/GARCINIA CAMBOGIA FERMENTNOT REPORTED

CAPRAE LAC EXTRACTNOT REPORTED

CAPROLACTAMNOT REPORTED

CAPRYLOYL GLYCERINNOT REPORTED

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How CAMPHOR SULFONIC ACID appears in the CosIng inventory

The CosIng inventory lists CAMPHOR SULFONIC ACID as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

CAMPHOR SULFONIC ACID is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

CAMPHOR SULFONIC ACID is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, CAMPHOR SULFONIC ACID carries the following function designation(s):

NOT REPORTED

CAS 5872-08-2 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for CAMPHOR SULFONIC ACID

This page reproduces the CosIng inventory entry for CAMPHOR SULFONIC ACID from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research CAMPHOR SULFONIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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