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InventoryRef 9305208/10/2015

ISOPROPYL THIOXANTHONE

9H-Thioxanthen-9-one, 2-(1-methylethyl)-

ISOPROPYL THIOXANTHONE 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 5495-84-1
CAS 5495-84-1PubChem CID 79633

2-Isopropylthioxanthone

IUPAC name
2-propan-2-ylthioxanthen-9-one
Molecular formula
C16H14OS
Molecular weight
254.3 g/mol
Exact mass
254.07653624 Da
XLogP3
5.1
Topological polar surface area
42.4 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

2-Isopropyl-9H-thioxanthen-9-one2-(propan-2-yl)-9H-thioxanthen-9-one9H-Thioxanthen-9-one, 2-(1-methylethyl)-Isopropyl thioxanthone54KUS6SE2TPL-ITXRefChem:473931226-827-9
16 more reported names
2-Isopropyl Thioxanthone2-Isopropyltioxanthone2-Isopropylthioxanthen-9-oneQuantacure itxSpeedcure ITX2-Isopropylthioxanthone (2-ITX)UNII-54KUS6SE2TEINECS 226-827-92-Isopropylthioxantone2-Isoropylthioxanthone2-(1-Methylethyl)-9H-thioxanthen-9-one2-IsopropylthioxanthoneITX2-ITX2-Isopropylthioxanthone (ITX)KTALPKYXQZGAEG-UHFFFAOYSA-MSK3440
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 ISOPROPYL THIOXANTHONE

INCI name

ISOPROPYL THIOXANTHONE

Description

9H-Thioxanthen-9-one, 2-(1-methylethyl)-

Record provenance

Inventory reference
93052
Imported identity
ISOPROPYL THIOXANTHONE
Source update
08/10/2015
European Commission CosIng source notes
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Key data

CAS
5495-84-1
EC
—
Restriction
—
Function
SKIN CONDITIONING
Maintaining the skin in good condition.

Official EU ingredient-name evidence

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

#13871 · ISOPROPYL THIOXANTHONE

Ingredients with overlapping formulation functions

ISOPROPYL RICINOLEATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT
ISOPROPYL SHEA BUTTERATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT
ISOPROPYL STEARATEBINDING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT
ISOPROPYL TALLOWATEBINDING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT
ISOPROPYLCYCLOHEXYL TOLYLCARBAMATESKIN CONDITIONING
ISOPROPYLIDENEGLYCERYL COCOATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT
ISOPROPYLPHTHALIMIDEPLASTICISER, SKIN CONDITIONING, SOLVENT
ISOSORBIDEHUMECTANT, SKIN CONDITIONING

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 ISOPROPYL THIOXANTHONE appears in the CosIng inventory

The CosIng inventory lists ISOPROPYL THIOXANTHONE 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.

ISOPROPYL THIOXANTHONE 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

ISOPROPYL THIOXANTHONE 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, ISOPROPYL THIOXANTHONE carries the following function designation(s):

CAS 5495-84-1 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 ISOPROPYL THIOXANTHONE

This page reproduces the CosIng inventory entry for ISOPROPYL THIOXANTHONE 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 ISOPROPYL THIOXANTHONE 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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