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InventoryRef 3731015/10/2010

PROPYLENE GLYCOL STEARATE

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

PROPYLENE GLYCOL STEARATE 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 1323-39-3
CAS 1323-39-3CAS 142-75-6PubChem CID 14878

Propylene Glycol Monostearate

2-Hydroxypropyl stearate is a fatty acid ester. ChEBI

IUPAC name
2-hydroxypropyl octadecanoate
Molecular formula
C21H42O3
Molecular weight
342.6 g/mol
Exact mass
342.31339520 Da
XLogP3
8.3
Topological polar surface area
46.5 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

Cerasynt PAOctadecanoic acid, monoester with 1,2-propanediolFEMA No. 2942MZM1I680W0Propylene glycol palmitostearateFEMA NO. 4208NSC-4841RefChem:1097053
16 more reported names
PROPYLENE GLYCOL MONOPALMITOSTEARATE215-354-3617-037-92-Hydroxypropyl stearate142-75-6Propylene glycol stearateMonosteolProstearinPropylene glycol 1-stearate1,2-Propylene glycol monostearateOctadecanoic acid, 2-hydroxypropyl esterPegosperse PSMonosteol TGCerasynt PNDragil-PTegin P
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 PROPYLENE GLYCOL STEARATE

INCI name

PROPYLENE GLYCOL STEARATE

INN name

propylene glycol monostearate

Ph. Eur. name

propylenglycoli monostearas

Description

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

Record provenance

Inventory reference
37310
Imported identity
PROPYLENE GLYCOL STEARATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

CAS
1323-39-3 / 142-75-6
EC
215-354-3 / 205-557-5
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 STEARATE appears in the CosIng inventory

The CosIng inventory lists PROPYLENE GLYCOL STEARATE 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 STEARATE 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 STEARATE 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 STEARATE carries the following function designation(s):

CAS 1323-39-3 / 142-75-6 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 STEARATE

This page reproduces the CosIng inventory entry for PROPYLENE GLYCOL STEARATE 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 STEARATE 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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