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Permitted list with conditionsBinding ruleGBOriginal is EnglishOfficial-source import checked

Propionic acid, ammonium propionate, calcium propionate, magnesium propionate, potassium propionate, sodium propionate

The consolidated GB Cosmetics Regulation lists this record in Annex V.

All Great Britain recordsOpen ingredient profileCompare all marketsOpen official source

Regulatory decision and full conditions

Status
Permitted list with conditions
Legal role
Binding rule
Regulatory summary
The consolidated GB Cosmetics Regulation lists this record in Annex V.
Conditions and restrictions
2% (acid)

Substance identity

Official source name
Propionic acid, ammonium propionate, calcium propionate, magnesium propionate, potassium propionate, sodium propionate
CAS
79-09-4; 17496-08-1; 4075-81-4; 557-27-7; 327-62-8; 137-40-6
EC
201-176-3; 241-503-7; 223-795-8; 209-166-0; 206-323-5; 205-290-4
Identity mapping
cas_number
Linked ingredient
PROPIONIC ACID
Search this identity across the siteCAS 79-09-4CAS 17496-08-1CAS 4075-81-4CAS 557-27-7CAS 327-62-8CAS 137-40-6EC 201-176-3EC 241-503-7EC 223-795-8EC 209-166-0EC 206-323-5EC 205-290-4

Linked CosIng identity data

Names and aliases

PROPIONIC ACID

CosIng description: Propionic acid

EU inventory restriction note: V/2

Recorded cosmetic function: ANTIMICROBIAL, FRAGRANCE, pH ADJUSTERS, PRESERVATIVE

Function pages:ANTIMICROBIAL, FRAGRANCE, pH ADJUSTERS, PRESERVATIVE

View the complete ingredient profile

Cross-market snapshot for this identity

Exact linked records currently present in this site. An absent market means no imported exact match, not permission to use the substance.

5 market datasets

European Union

Positive-list entry with conditions

1 linked record · 1 with specific conditions

Open supporting record

Great Britain

Current record
Permitted list with conditions

1 linked record · 1 with specific conditions

Open supporting record
PubChem 2D chemical structure for CAS 137-40-6
CAS 137-40-6PubChem CID 2723816

Verified chemistry for CAS 137-40-6

Sodium Propionate

IUPAC name
sodium propanoate
Molecular formula
C3H5NaO2
Molecular weight
96.06 g/mol
Exact mass
96.01872368 Da
Monoisotopic mass
96.01872368 Da
Topological polar surface area
40.1 Ų
Molecular complexity
44.0
Formal charge
0
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Rotatable bonds
1
Heavy atoms
6
Covalent units
2

Names and synonyms reported to PubChem

Propionic acid sodium saltPropanoic acid, sodium saltOcuseptineNapropionPropisolPropionic acid, sodium saltBioban-SPropiofar
16 more reported names
DeketonImpedexKeenateMycobanNatriumpropionatPropi-ophtalSodium propionate anhydrousWhit-proPropanoic acid, sodium salt (1:1)Propionan sodnyDK6Y9P42INE281INS NO.281CHEBI:132106INS-281391O0PO49R
Open full PubChem recordSafety and hazards at PubChemPubChem annotationsChemical classifications3D structure image
External database identifiers
Advanced structure statistics
Defined atom stereocentres
0
Undefined atom stereocentres
0
Defined bond stereocentres
0
Undefined bond stereocentres
0
3D conformers
0
Machine-readable structure identifiers
SMILES
CCC(=O)[O-].[Na+]
InChI
InChI=1S/C3H6O2.Na/c1-2-3(4)5;/h2H2,1H3,(H,4,5);/q;+1/p-1
InChIKey
JXKPEJDQGNYQSM-UHFFFAOYSA-M

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 17496-08-1
CAS 17496-08-1PubChem CID 87139

Verified chemistry for CAS 17496-08-1

Ammonium propionate

IUPAC name
azane;propanoic acid
Molecular formula
C3H9NO2
Molecular weight
91.11 g/mol
Exact mass
91.063328530 Da
Monoisotopic mass
91.063328530 Da
Topological polar surface area
38.3 Ų
Molecular complexity
40.0
Formal charge
0
Hydrogen-bond donors
2
Hydrogen-bond acceptors
3
Rotatable bonds
1
Heavy atoms
6
Covalent units
2

Names and synonyms reported to PubChem

Propanoic acid, ammonium saltPropanoic acid, ammonium salt (1:1)V18VR2SK15RefChem:1076673241-503-7UNII-V18VR2SK15amine propionateEINECS 241-503-7
3 more reported names
ammonia;propionic acidPropanoic acid--ammonia (1/1)XJMWHXZUIGHOBA-UHFFFAOYSA-N
Open full PubChem recordSafety and hazards at PubChemPubChem annotationsChemical classifications3D structure image
External database identifiers
Advanced structure statistics
Defined atom stereocentres
0
Undefined atom stereocentres
0
Defined bond stereocentres
0
Undefined bond stereocentres
0
3D conformers
0
Machine-readable structure identifiers
SMILES
CCC(=O)O.N
InChI
InChI=1S/C3H6O2.H3N/c1-2-3(4)5;/h2H2,1H3,(H,4,5);1H3
InChIKey
XJMWHXZUIGHOBA-UHFFFAOYSA-N

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 327-62-8
CAS 327-62-8PubChem CID 23663619

Verified chemistry for CAS 327-62-8

Potassium propionate

IUPAC name
potassium propanoate
Molecular formula
C3H5KO2
Molecular weight
112.17 g/mol
Exact mass
111.99266088 Da
Monoisotopic mass
111.99266088 Da
Topological polar surface area
40.1 Ų
Molecular complexity
44.0
Formal charge
0
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Rotatable bonds
1
Heavy atoms
6
Covalent units
2

Names and synonyms reported to PubChem

7H1F04CKTXINS NO. 283INS-283E-283RefChem:175586206-323-5Propionic Acid Potassium SaltPropanoic acid, potassium salt
13 more reported names
potassium;propanoateUNII-7H1F04CKTXPotassium propionate, AldrichCPRP0510potassium,propanoatePROPIONICACIDPOTASSIUMSALTEINECS 206-323-5C3H5KO2TN9419PROPIONIC ACID, POTASSIUM SALTAS-59778FT-063195CS-0019431
Open full PubChem recordSafety and hazards at PubChemPubChem annotationsChemical classifications3D structure image
External database identifiers
Advanced structure statistics
Defined atom stereocentres
0
Undefined atom stereocentres
0
Defined bond stereocentres
0
Undefined bond stereocentres
0
3D conformers
0
Machine-readable structure identifiers
SMILES
CCC(=O)[O-].[K+]
InChI
InChI=1S/C3H6O2.K/c1-2-3(4)5;/h2H2,1H3,(H,4,5);/q;+1/p-1
InChIKey
BWILYWWHXDGKQA-UHFFFAOYSA-M

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 4075-81-4
CAS 4075-81-4PubChem CID 19999

Verified chemistry for CAS 4075-81-4

Calcium propionate

IUPAC name
calcium propanoate
Molecular formula
C6H10CaO4
Molecular weight
186.22 g/mol
Exact mass
186.0204996 Da
Monoisotopic mass
186.0204996 Da
Topological polar surface area
80.3 Ų
Molecular complexity
34.0
Formal charge
0
Hydrogen-bond donors
0
Hydrogen-bond acceptors
4
Rotatable bonds
0
Heavy atoms
11
Covalent units
3

Names and synonyms reported to PubChem

Propanoic acid, calcium saltBioban-CPropionic acid, calcium saltPropanoic acid, calcium salt (2:1)8AI80040KWINS NO.282INS-282E-282
16 more reported names
RefChem:122900223-795-8Calcium dipropionatecalcium;propanoatepropionic acid calciumPropionic acid calcium saltPropanoate (calcium)Calcium propionate [NF]calcium dipropanoateCalcium propionate;Bioban-C; Calcium dipropionateCaswell No. 151HSDB 907EINECS 223-795-8EPA Pesticide Chemical Code 077701C6H10CaO4UNII-8AI80040KW
Open full PubChem recordSafety and hazards at PubChemPubChem annotationsChemical classifications3D structure image
External database identifiers
Advanced structure statistics
Defined atom stereocentres
0
Undefined atom stereocentres
0
Defined bond stereocentres
0
Undefined bond stereocentres
0
3D conformers
0
Machine-readable structure identifiers
SMILES
CCC(=O)[O-].CCC(=O)[O-].[Ca+2]
InChI
InChI=1S/2C3H6O2.Ca/c2*1-2-3(4)5;/h2*2H2,1H3,(H,4,5);/q;;+2/p-2
InChIKey
BCZXFFBUYPCTSJ-UHFFFAOYSA-L

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 557-27-7
CAS 557-27-7PubChem CID 6453238

Verified chemistry for CAS 557-27-7

Magnesium propionate

IUPAC name
magnesium propanoate
Molecular formula
C6H10MgO4
Molecular weight
170.45 g/mol
Exact mass
170.0429505 Da
Monoisotopic mass
170.0429505 Da
Topological polar surface area
80.3 Ų
Molecular complexity
34.0
Formal charge
0
Hydrogen-bond donors
0
Hydrogen-bond acceptors
4
Rotatable bonds
0
Heavy atoms
11
Covalent units
3

Names and synonyms reported to PubChem

Magnesium dipropionateUNII-699E2A173PEINECS 209-166-0699E2A173PPROPANOIC ACID, MAGNESIUM SALTPROPIONIC ACID, MAGNESIUM SALTRefChem:155255MAGNESIUM PROPIONATE [INCI]
3 more reported names
magnesium;propanoateMagnesium dipropanoateDB-209015
Open full PubChem recordSafety and hazards at PubChemPubChem annotationsChemical classifications3D structure image
External database identifiers
Advanced structure statistics
Defined atom stereocentres
0
Undefined atom stereocentres
0
Defined bond stereocentres
0
Undefined bond stereocentres
0
3D conformers
0
Machine-readable structure identifiers
SMILES
CCC(=O)[O-].CCC(=O)[O-].[Mg+2]
InChI
InChI=1S/2C3H6O2.Mg/c2*1-2-3(4)5;/h2*2H2,1H3,(H,4,5);/q;;+2/p-2
InChIKey
CQQJGTPWCKCEOQ-UHFFFAOYSA-L

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 79-09-4
CAS 79-09-4PubChem CID 1032

Verified chemistry for CAS 79-09-4

Propionic Acid

Propionic acid is a short-chain saturated fatty acid comprising ethane attached to the carbon of a carboxy group. It has a role as an antifungal drug. It is a saturated fatty acid and a short-chain fatty acid. It is a conjugate acid of a propionate. — ChEBI

IUPAC name
propanoic acid
Molecular formula
C3H6O2
Molecular weight
74.08 g/mol
Exact mass
74.036779430 Da
Monoisotopic mass
74.036779430 Da
XLogP3
0.3
Topological polar surface area
37.3 Ų
Molecular complexity
40.0
Formal charge
0
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Rotatable bonds
1
Heavy atoms
5
Covalent units
1

Names and synonyms reported to PubChem

methylacetic acidethylformic acidCarboxyethaneMetacetonic acidLuprosilEthanecarboxylic acidPseudoacetic acidMonoprop
16 more reported names
ProzoinAntischim BPropionoic acidMethyl acetic acidAcide propioniqueSentry grain preserverPropcornPropkornC3 acidTenox P grain preservativeCaswell No. 707AdofeedPropionic acid grain preserverFEMA No. 2924Kyselina propionovaFEMA Number 2924
Open full PubChem recordSafety and hazards at PubChemPubChem annotationsChemical classifications3D structure image
External database identifiers
Advanced structure statistics
Defined atom stereocentres
0
Undefined atom stereocentres
0
Defined bond stereocentres
0
Undefined bond stereocentres
0
3D pharmacophore features
4
3D rings
0
3D hydrophobes
1
3D acceptor features
2
3D donor features
0
3D anionic centres
1
3D cationic centres
0
3D conformers
2
Effective 3D rotors
1.0
Machine-readable structure identifiers
SMILES
CCC(=O)O
InChI
InChI=1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)
InChIKey
XBDQKXXYIPTUBI-UHFFFAOYSA-N

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Official source and provenance

Registered source
Great Britain Cosmetics Regulation — consolidated Annexes II–VI and amendments
Source reference
GB Cosmetics Regulation, Annex V, entry 2
Source record ID
V-2
Source version
2026-08-15
Source language
English
Translation status
Original is English
Effective date
2026-08-15
Source updated
2026-08-19
Snapshot checked
2026-08-30 04:51 UTC
Validation method
legislation.gov.uk XML table parse; {'II': 1758, 'III': 326, 'IV': 154, 'V': 57, 'VI': 34}
SHA-256
e3a386d950f54c6e7a7f9e784d1bd46e52de725137e89d5630709824475215d8

Registered dataset notes

Dataset coverage
Complete consolidated GB Annexes II–VI, with later amendments versioned separately
Authority note
Binding GB schedules and versioned amendments to retained Regulation 1223/2009; applies to England, Wales and Scotland, not Northern Ireland
Source licence
Open Government Licence v3.0 / Crown copyright
Attribution
Contains public sector information licensed under the Open Government Licence v3.0.
Inspect the exact official sourceRegulator guidance

How this record fits the market dataset

2329
current Great Britain records
245
records marked Permitted list with conditions
2329
records from this source version
2015
market records with CAS identity

Status distribution

Permitted list with conditions: 245Prohibited: 1758Restricted: 326

Condition text is present on 517 of 2329 current records. An empty condition field is interpreted according to the record type above; it is never converted into an unrestricted-use claim.

Great Britain market context

Complete consolidated annex dataset

Coverage version: GB retained Regulation 1223/2009 schedules, effective 15 August 2026

Current consolidated Annexes II–VI for England, Scotland and Wales.

Verification checklist

  1. Confirm INCI/CAS/EC identity.
  2. Review every current GB Annex II–VI match.
  3. Check commencement dates and later statutory instruments.
  4. Verify SCPN, responsible-person, safety-report and labelling duties.

Official market sources

Verification workflow and record completeness

Before using this result in a compliance decision

  1. Confirm that “Propionic acid, ammonium propionate, calcium propionate, magnesium propionate, potassium propionate, sodium propionate” and every CAS/EC identifier refer to the material in your supplier specification.
  2. Confirm INCI/CAS/EC identity.
  3. Review every current GB Annex II–VI match.
  4. Check commencement dates and later statutory instruments.
  5. Verify SCPN, responsible-person, safety-report and labelling duties.
  6. Document the source version and recheck the regulator before manufacture, notification or market placement.

Fields available in this record

  • Official substance nameAvailable
  • CASAvailable
  • ECAvailable
  • Separate condition textAvailable
  • Effective dateAvailable
  • Snapshot hash and methodAvailable

Questions this page answers

This identity appears on a market positive list for the list function represented by the source record. Confirm that the intended function and product use fall within the list scope and every stated condition.

Positive-list presence is purpose-specific and is not blanket approval for every cosmetic use. No annex match is not approval and does not cover Northern Ireland, which follows the applicable EU framework.

The record cites GB Cosmetics Regulation, Annex V, entry 2, source version 2026-08-15. Open the official source.

No. CAS helps resolve identity, but jurisdictions can classify the same substance differently and can apply different product scopes, limits, warnings and transition dates.

Stable citation

Propionic acid, ammonium propionate, calcium propionate, magnesium propionate, potassium propionate, sodium propionate. GB Cosmetics Regulation, Annex V, entry 2. Great Britain. Source version 2026-08-15. CosIng Checker regulatory record: https://cosingchecker.com/regulations/gb/records/6598/

Cite the regulator as the legal authority. This page is a structured evidence index and verification aid, not a substitute for the official text or professional legal assessment.

Interpretation and limits for Great Britain

This identity appears on a market positive list for the list function represented by the source record.

Confirm that the intended function and product use fall within the list scope and every stated condition.

How to interpret the legal role

The cited row forms part of a binding rule or legally incorporated list for this market.

Evidence on this page

  • Recorded outcome: Permitted list with conditions
  • Legal role: Binding rule
  • Source version: 2026-08-15
  • Effective date: 2026-08-15

What it does not prove

No annex match is not approval and does not cover Northern Ireland, which follows the applicable EU framework.

Further authoritative substance research

These sources can add identity, safety, exposure or hazard context. A link is not evidence that the database contains this exact substance, and none of these sources overrides the market decision above.

Cosmetic Ingredient Review safety assessments

Expert Panel conclusions, assessed ingredient groups, use conditions, dates and report documents

Independent expert review considered by FDA; not a government approval or binding market rule

Research this identity at the source

FDA Global Substance Registration System

UNII identifiers, preferred names, substance types, codes and public substance relationships

Identity registry only; UNII availability does not imply FDA review or approval

Research this identity at the source

ILO/WHO International Chemical Safety Cards

Hazards, symptoms, first aid, storage, incompatibilities and physical properties for covered chemicals

International occupational chemical-safety reference; not cosmetic-use approval

Research this identity at the source

Japan NITE-CHRIP

Chemical identity, Japanese and foreign legal lists, GHS hazards and exposure-related information

Chemical-management evidence; cosmetic status remains governed by the applicable MHLW standard and market rules

Research this identity at the source

NIOSH Pocket Guide to Chemical Hazards

REL, PEL, IDLH, properties, exposure routes, symptoms, target organs, first aid and measurement methods for covered workplace chemicals

US occupational-health guidance and limits; not a cosmetic ingredient decision

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OECD eChemPortal

Gateway to authority-owned physical-property, fate, ecotoxicity, toxicity, exposure and GHS records

Discovery gateway; each linked authority remains responsible for its data

Research this identity at the source

US EPA CompTox CTX APIs

API key required for import

DTXSID identity, experimental and predicted properties, toxicity, bioactivity, exposure and environmental data

Scientific and computational evidence; predictions must remain labelled and do not determine cosmetic legality

Research this identity at the source