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CAS 5343-92-0 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 5898315/10/2010

PENTYLENE GLYCOL

1,2-Dihydroxypentane

PENTYLENE GLYCOL 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 5343-92-0

CAS 5343-92-0PubChem CID 93000

1,2-Pentanediol

IUPAC name: pentane-1,2-diol

Molecular formula: C5H12O2
Molecular weight: 104.15 g/mol
Exact mass: 104.083729621 Da
XLogP3: 0.2
Topological polar surface area: 40.5 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Pentylene glycol1,2-Dihydroxypentane50C1307PZGNSC-513RefChem:860099226-285-3UNII-50C1307PZGNSC 513

16 more reported names

EC 226-285-3PENTYLENE GLYCOL [WHO-DD](+/-)-1,2-PENTANEDIOLP1178(R)-1,2-PentanediolEINECS 226-285-3BRN 1719151AI3-03317(+/-)-Pentane-1,2-diol; 1,2-Dihydroxypentane; 1,2-Pentylene Glycol; Diol PD; Hydrolite 5; NSC 5131,a2-aPentanediolFT-0606477FT-06908411,2-Pentanediol, 96%1,2-Pentanediol,(2S)-3-01-00-02191 (Beilstein Handbook Reference)NSC513

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID10863522
PubMed:22440262
PubMed:22296970
PubMed:21585401
PubMed:21103326
PubMed:21075144
PubMed:20084331
PubMed:19446757
PubMed:19149166
PubMed:18205069
PubMed:17557287
PubMed:17270720
PubMed:16960821

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 PENTYLENE GLYCOL

INCI name

PENTYLENE GLYCOL

Description

1,2-Dihydroxypentane

Record provenance

Inventory reference: 58983
Imported identity: PENTYLENE GLYCOL
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for PENTYLENE GLYCOL

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Key data

CAS

5343-92-0

226-285-3

Restriction

—

Function

SKIN CONDITIONING: Maintaining the skin in good condition.
SOLVENT: Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).

Official EU ingredient-name evidence

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

#20443 · PENTYLENE GLYCOL

Ingredients with overlapping formulation functions

PEG/PPG-8/55 COPOLYMERCLEANSING, SOLVENT, SURFACTANT - CLEANSING

PENTAFLUOROPROPANEFRAGRANCE, PROPELLANT, SOLVENT

PENTANEPROPELLANT, SOLVENT

PENTANONESOLVENT

PERFLUOROCAPRYLYL BROMIDESOLVENT

PERFLUORODECALINDETANGLING, SKIN CONDITIONING, SOLVENT

PERFLUORODIMETHYLCYCLOHEXANESOLVENT

PERFLUOROHEXANESOLVENT

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 PENTYLENE GLYCOL appears in the CosIng inventory

The CosIng inventory lists PENTYLENE GLYCOL 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.

PENTYLENE GLYCOL is also tagged with 2 cosmetic functions 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

PENTYLENE GLYCOL 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, PENTYLENE GLYCOL carries the following function designation(s):

CAS 5343-92-0 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 PENTYLENE GLYCOL

This page reproduces the CosIng inventory entry for PENTYLENE GLYCOL 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 PENTYLENE GLYCOL 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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