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InventoryRef 3322415/10/2010

DIBENZOTHIOPHENE

Dibenzothiophene

DIBENZOTHIOPHENE 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 132-65-0
CAS 132-65-0PubChem CID 3023

Dibenzothiophene

Dibenzothiophene is a mancude organic heterotricyclic parent that consists of a thiophene ring flanked by two benzene rings ortho-fused across the 2,3- and 4,5-positions. It has a role as a keratolytic drug. It is a member of dibenzothiophenes and a mancude organic heterotricyclic parent. — ChEBI

IUPAC name
dibenzothiophene
Molecular formula
C12H8S
Molecular weight
184.26 g/mol
Exact mass
184.03467143 Da
XLogP3
4.4
Topological polar surface area
28.2 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

Diphenylene sulfideDibenzo[b,d]thiophene9-Thiafluorenealpha-Thiafluorene2,2'-Biphenylylene sulfideDibenzo(b,d)thiopheneNSC-2843(1,1'-Biphenyl)-2,2'-diyl sulfide
16 more reported names
[1,1'-Biphenyl]-2,2'-diyl sulfideZ3D4AJ1R48CHEBI:23681NSC2843RefChem:132856205-072-9C12H8SDibenzothiophene [USAN].alpha.-ThiafluoreneDibenzothiophene (USAN)benzo[b]benzo[b]thiopheneDibenzothiophene, analytical standardCAS-132-65-0CCRIS 5307HSDB 7409NSC 2843
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

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 DIBENZOTHIOPHENE

INCI name

DIBENZOTHIOPHENE

INN name

dibenzothiophene

Description

Dibenzothiophene

Record provenance

Inventory reference
33224
Imported identity
DIBENZOTHIOPHENE
Source update
15/10/2010
European Commission CosIng source notes
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Key data

CAS
132-65-0
EC
205-072-9
Restriction
—
Function
ANTIOXIDANT
Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.

Official EU ingredient-name evidence

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

#8444 · DIBENZOTHIOPHENE

Ingredients with overlapping formulation functions

DIACETYLCURCUMINANTIOXIDANT, BLEACHING, SKIN CONDITIONING, SKIN PROTECTING, UV ABSORBER
DIAMINOHEXYL TRIHYDROXYBENZAMIDE HCLANTIOXIDANT
DIAMMONIUM EDTAANTIOXIDANT, CHELATING
DIAMYLHYDROQUINONEANTIOXIDANT
DIBUTYLENE TETRAFURFURALANTIOXIDANT, VISCOSITY CONTROLLING
DICAFFEOYL LYSYL HEXAPEPTIDE-65ANTIMICROBIAL, ANTIOXIDANT, HUMECTANT, SKIN CONDITIONING, SKIN PROTECTING
DICENTRA SPECTABILIS CALLUS CULTURE EXTRACTANTIOXIDANT, HAIR CONDITIONING, HUMECTANT, SKIN PROTECTING
DICETYL THIODIPROPIONATEANTIOXIDANT

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 chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How DIBENZOTHIOPHENE appears in the CosIng inventory

The CosIng inventory lists DIBENZOTHIOPHENE 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.

DIBENZOTHIOPHENE 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

DIBENZOTHIOPHENE 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, DIBENZOTHIOPHENE carries the following function designation(s):

CAS 132-65-0 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 DIBENZOTHIOPHENE

This page reproduces the CosIng inventory entry for DIBENZOTHIOPHENE 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 DIBENZOTHIOPHENE 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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