Propylene Glycol Stearate

Also known as: Atlas G 922, Mazol PGMS, Stearic acid, ester with 1,2-propanediol, 1,2-Propanediol, monostearate, Aldo PGHMS (+14 more)

INCI: PROPYLENE GLYCOL STEARATE

Propylene Glycol Stearate (CAS 1323-39-3) is a cosmetic cosmetic ingredient functioning as Emollient, Emulsifying, Stabilizing. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 1323-39-3 →

Auto-generated CPSR Part A draft with source citations
Function
Emollient, Emulsifying, Stabilizing
Safety Rating
EXCELLENT

Chemistry & Identifiers

Formula
C21H42O3
MW
342.6 g/mol
EC Number
215-354-3
PubChem CID
14878
IUPAC Name
2-hydroxypropyl octadecanoate
InChIKey
FKOKUHFZNIUSLW-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes GRAS for food use; CIR: Safe as used; VCRP listed

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Propylene Glycol Stearate.

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Additional Ingredient Properties

1 property record from structured ingredient metadata.

emulsion_hlb
{"hlb_value": "3.4", "hlb_required_as_emulsifier": "yes", "emulsifier_type": "w_o", "critical_packing_parameter": "0.62-0.82", "emulsion_stabilization_mechanism": "steric_stabilization", "co_emulsifier_pairs": "sorbitan_stearate", "optimal_oil_phase_pct": "62-88", "optimal_water_phase_pct": "12-38", "electrolyte_tolerance": "moderate", "pH_emulsion_stability_range": "5.5-11.0", "viscosity_building…

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Regulatory (3)
JECFA Number
926
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
PROPYLENE GLYCOL MONOOCTADECANOATE | 2002 | No safety concern at current levels of intake when used as a flavouring agent | TRS 913-JECFA 59/112 | FAS 48-JECFA 57/333 (2001)
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
PROPYLENE GLYCOL STEARATE | 2002 | No safety concern at current levels of intake when used as a flavouring agent | TRS 913-JECFA 59/112 | FAS 48-JECFA 57/333 (2001)
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Emulsifier Flavouring and nutrient Softener and conditioner Surfactant (surface active agent) Thickening agent
Regulatory List Membership (1)
FDA Substances Added to Food (EAFUS)

Expert Verdict

Expert safety assessment and concern-level summary for Propylene Glycol Stearate.

Regulatory Flags

fda_food_additive jecfa_safe

Known Synonyms

Atlas G 922 Mazol PGMS Stearic acid, ester with 1,2-propanediol 1,2-Propanediol, monostearate Aldo PGHMS Atlas G 2158 Crill 26 Dragil P EMP 1800 Emalex PGMS Emcol PS 50 Emcol PS 50RHP Grindsted Citrem PGMS USV-M Grindsted PGMS Grindsted PGMS 90 Grindtek PGMS 90 Hodag PGS Homotex PS 200V Myverol P 06

Chemical Function

Surfactant (surface active agent) Softener and conditioner Emulsifier Thickening agent Flavouring and nutrient

Regulatory Lists

food_additive; Substances Added to Food (formerly EAFUS) (2/2019)

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Propylene Glycol Stearate safe in cosmetics?

Propylene Glycol Stearate has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.

Is Propylene Glycol Stearate allowed in the EU?

Propylene Glycol Stearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Propylene Glycol Stearate do in cosmetics?

Propylene Glycol Stearate functions as: Emollient, Emulsifying, Stabilizing. It is classified as a cosmetic ingredient in our database. CAS number: 1323-39-3.

Is Propylene Glycol Stearate used outside cosmetics?

Propylene Glycol Stearate also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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