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InventoryRef 7880915/10/2010

PROPYLENE GLYCOL ISOSTEARATE

Isooctadecanoic acid, monoester with propane-1,2-diol

PROPYLENE GLYCOL ISOSTEARATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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.

Chemical identity and properties

PubChem 2D chemical structure for CAS 63799-53-1
CAS 63799-53-1CAS 68171-38-0PubChem CID 109682

Isooctadecanoic acid, monoester with 1,2-propanediol

IUPAC name
2-hydroxypropyl 16-methylheptadecanoate
Molecular formula
C21H42O3
Molecular weight
342.6 g/mol
Exact mass
342.31339520 Da
XLogP3
8.0
Topological polar surface area
46.5 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

EINECS 269-027-5RefChem:149646Propylene glycol monoisostearatePropylene glycol isostearatePrisorine 2034BJRXGOFKVBOFCO-UHFFFAOYSA-Npropylene glycol isostearate, AldrichCPR

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 PROPYLENE GLYCOL ISOSTEARATE

INCI name

PROPYLENE GLYCOL ISOSTEARATE

Description

Isooctadecanoic acid, monoester with propane-1,2-diol

Record provenance

Inventory reference
78809
Imported identity
PROPYLENE GLYCOL ISOSTEARATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

CAS
68171-38-0 / 63799-53-1
Restriction
Function
SKIN CONDITIONING
Maintaining the skin in good condition.
SURFACTANT - CLEANSING
Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).

Official EU ingredient-name evidence

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

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How PROPYLENE GLYCOL ISOSTEARATE appears in the CosIng inventory

The CosIng inventory lists PROPYLENE GLYCOL ISOSTEARATE 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.

PROPYLENE GLYCOL ISOSTEARATE 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

PROPYLENE GLYCOL ISOSTEARATE 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, PROPYLENE GLYCOL ISOSTEARATE carries the following function designation(s):

CAS 68171-38-0 / 63799-53-1 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.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for PROPYLENE GLYCOL ISOSTEARATE

This page reproduces the CosIng inventory entry for PROPYLENE GLYCOL ISOSTEARATE 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 PROPYLENE GLYCOL ISOSTEARATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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