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Annex V Entry 12 a 02/08/2021

BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN

Butyl 4-hydroxy­benzoate and its salts Propyl 4-hydroxy­benzoate and its salts

BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN appears in Annex V as a positive-list preservative entry for EU cosmetics. Maximum concentration in this record: - 0,14% (as acid) for the sum of the individual concentrations - 0,8% (as acid) for mixtures of substances mentioned in entry 12 and 12a, here the sum of the individual concentrations of butyl and propylparaben and their salts does not exceed 0,14%.

Permitted preservative— Annex V, EU Regulation 1223/2009
Entry: 12 a

Chemical identity and properties

PubChem 2D chemical structure for CAS 35285-69-9
CAS 35285-69-9PubChem CID 23679044

Propylparaben Sodium

The CIR Expert Panel concluded that the following 20 parabens are safe in cosmetics in the present practices of use and concentration described in the safety assessment when the sum of the combined concentration of parabens in any given formulation does not exceed 0.8 %...Sodium Propylparaben... Cosmetic Ingredient Review (CIR)

IUPAC name
sodium 4-propoxycarbonylphenolate
Molecular formula
C10H11NaO3
Molecular weight
202.18 g/mol
Exact mass
202.06058849 Da
Topological polar surface area
49.4 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
3
Covalent units
2
Defined stereocentres
0

Also known as

Sodium propylparabenPropyl 4-hydroxybenzoate sodium saltSodium propyl 4-hydroxybenzoateCaswell No. 714APropyl p-hydroxybenzoate, sodium saltsodium propyl parabenSodium propyl hydroxybenzoatePropylparaben sodium [USAN]
16 more reported names
Natrium propyl 4-hydroxybenzoatSodium Propyl ParahydroxybenzoatePropylparaben, sodium saltPropyl-4-hydroxybenzoat natriumsalzEINECS 252-488-1UNII-625NNB0G9NEPA Pesticide Chemical Code 061204625NNB0G9NPropylparaben sodium [USAN:NF]Propylparaben sodium (NF)SODIUM PROPYL HYDROXYBENZOATE [MART.]PROPYLPARABEN SODIUM [II]4-Hydroxybenzoic acid, propyl ester, sodium saltSODIUM PROPYL PARAHYDROXYBENZOATE [EP MONOGRAPH]SODIUM PROPYL P-HYDROXYBENZOATE (E 217)PROPYLPARABEN SODIUM (II)
External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 36457-20-2
CAS 36457-20-2PubChem CID 23671890

Butylparaben Sodium

The CIR Expert Panel concluded that the following 20 parabens are safe in cosmetics in the present practices of use and concentration described in the safety assessment when the sum of the combined concentration of parabens in any given formulation does not exceed 0.8 %...Sodium Butylparaben... Cosmetic Ingredient Review (CIR)

IUPAC name
sodium 4-butoxycarbonylphenolate
Molecular formula
C11H13NaO3
Molecular weight
216.21 g/mol
Exact mass
216.07623855 Da
Topological polar surface area
49.4 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
3
Covalent units
2
Defined stereocentres
0

Also known as

Butyl 4-hydroxybenzoate sodium saltSodium butylparabenSodium butyl 4-hydroxybenzoateButyl p-hydroxybenzoate sodiumSodium butyl hydroxybenzoateButyl-4-hydroxybenzoate sodium saltEINECS 253-049-7MAR76J77VS
16 more reported names
BENZOIC ACID, p-HYDROXY-, BUTYL ESTER, SODIUM SALTBUTYL PARAHYDROXYBENZOATE SODIUMSODIUM BUTYL HYDROXYBENZOATE [MART.]P-HYDROXYBENZOIC ACID BUTYL ESTER SODIUM SALTBENZOIC ACID, 4-HYDROXY-, BUTYL ESTER, SODIUM SALT (1:1)SODIUM BUTYL HYDROXYBENZOATE (MART.)RefChem:571867SODIUM BUTYLPARABEN [INCI]Butylparaben sodium saltsodium;4-butoxycarbonylphenolateSodium 4-(butoxycarbonyl)phenolateButylparaben (sodium)UNII-MAR76J77VSMSK2512NaC11H13NaO3HY-B1431A
External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 38566-94-8
CAS 38566-94-8PubChem CID 23663689

Potassium Butylparaben

The CIR Expert Panel concluded that the following 20 parabens are safe in cosmetics in the present practices of use and concentration described in the safety assessment when the sum of the combined concentration of parabens in any given formulation does not exceed 0.8 %...Potassium Butylparaben... Cosmetic Ingredient Review (CIR)

IUPAC name
potassium 4-butoxycarbonylphenolate
Molecular formula
C11H13KO3
Molecular weight
232.32 g/mol
Exact mass
232.05017576 Da
Topological polar surface area
49.4 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
3
Covalent units
2
Defined stereocentres
0

Also known as

UNII-PGG48E5PSXPGG48E5PSXEINECS 254-009-1BUTYLPARABEN, POTASSIUM SALTP-HYDROXYBENZOATE POTASSIUM SALTBENZOIC ACID, 4-HYDROXY-, BUTYL ESTER, POTASSIUM SALTBENZOIC ACID, 4-HYDROXY-, BUTYL ESTER, POTASSIUM SALT (1:1)RefChem:175435
7 more reported names
POTASSIUM BUTYLPARABEN [INCI]Potassium butyl 4-oxidobenzoatepotassium;4-butoxycarbonylphenolatePotassium Butyl 4-hydroxybenzoateMSK2512KDPMDQHINTKFMKS-UHFFFAOYSA-MPotassium 4-(butoxycarbonyl)phenolate
External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 84930-16-5
CAS 84930-16-5PubChem CID 23662516

Potassium Propylparaben

The CIR Expert Panel concluded that the following 20 parabens are safe in cosmetics in the present practices of use and concentration described in the safety assessment when the sum of the combined concentration of parabens in any given formulation does not exceed 0.8 %...Potassium Propylparaben... Cosmetic Ingredient Review (CIR)

IUPAC name
potassium 4-propoxycarbonylphenolate
Molecular formula
C10H11KO3
Molecular weight
218.29 g/mol
Exact mass
218.03452569 Da
Topological polar surface area
49.4 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
3
Covalent units
2
Defined stereocentres
0

Also known as

Potassium propyl 4-oxidobenzoateUNII-9THL6FXS4I9THL6FXS4IEINECS 284-597-5Benzoic acid, 4-hydroxy-, propyl ester, potassium saltBENZOIC ACID, 4-HYDROXY-, PROPYL ESTER, POTASSIUM SALT (1:1)RefChem:175587POTASSIUM PROPYLPARABEN [INCI]
8 more reported names
propylparaben potassiumPROPYL-4-HYDROXYBENZOATE, POTASSIUM SALTMSK2511KTUMYXYVXTFDMTJ-UHFFFAOYSA-MPotassium propyl 4-hydroxybenzoateEBC-76138potassium 4-(propoxycarbonyl)phenolatePotassium Propyl 4-Hydroxybenzoate Solution, 100pm
External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 94-13-3
CAS 94-13-3PubChem CID 7175

Propylparaben

Propylparaben is the benzoate ester that is the propyl ester of 4-hydroxybenzoic acid. Preservative typically found in many water-based cosmetics, such as creams, lotions, shampoos and bath products. Also used as a food additive. It has a role as an antimicrobial agent and an antifungal agent. It is a member of phenols, a benzoate ester and a paraben. It is functionally related to a propan-1-ol and a 4-hydroxybenzoic acid. ChEBI

IUPAC name
propyl 4-hydroxybenzoate
Molecular formula
C10H12O3
Molecular weight
180.20 g/mol
Exact mass
180.078644241 Da
XLogP3
3.0
Topological polar surface area
46.5 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

Propyl parabenNipasolPropyl p-hydroxybenzoateNipazolPropagin4-Hydroxybenzoic acid propyl esterPropyl parahydroxybenzoateTegosept P
16 more reported names
Nipagin PPropyl ButexBetacide PNipasol PChemocide pkPropyl ParaseptAseptoform PPropyl ChemoseptSolbrol PPropylparaseptn-Propyl 4-hydroxybenzoatePaseptolChemacide pkPreserval PBetacine PN-Propyl p-hydroxybenzoate
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.

PubChem 2D chemical structure for CAS 94-26-8
CAS 94-26-8PubChem CID 7184

Butylparaben

Butylparaben is an organic molecular entity. ChEBI

IUPAC name
butyl 4-hydroxybenzoate
Molecular formula
C11H14O3
Molecular weight
194.23 g/mol
Exact mass
194.094294304 Da
XLogP3
3.6
Topological polar surface area
46.5 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

Butyl parabenButyl p-hydroxybenzoateButobenNipabutylButyl chemoseptButyl paraseptTegosept BButyl tegosept
16 more reported names
Butyl butexAseptoform butylSolbrol BButyl parahydroxybenzoaten-Butyl p-hydroxybenzoateTegosept ButylPreserval BButyl-ParaseptBenzoic acid, 4-hydroxy-, butyl esterbutyl p-hydroxy benzoate4-(Butoxycarbonyl)phenolButyl hydroxybenzoaten-butyl 4-hydroxybenzoaten-Butyl parahydroxybenzoaten-Butyl hydroxybenzoatep-Hydroxybenzoic acid butyl ester
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.

Record details

Maximum concentration

- 0,14% (as acid) for the sum of the individual concentrations - 0,8% (as acid) for mixtures of substances mentioned in entry 12 and 12a, here the sum of the individual concentrations of butyl and propylparaben and their salts does not exceed 0,14%

Other restrictions

Not to be used in leave-on products designed for application on the nappy area of children under three years of age.

Warnings

For leave-on products designed for children under three years of age: "Do not use on the nappy area"

INCI glossary name

BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN

Chemical name

Butyl 4-hydroxy­benzoate and its salts Propyl 4-hydroxy­benzoate and its salts

Chemical / IUPAC name

Butyl 4-hydroxy­benzoate and its salts Propyl 4-hydroxy­benzoate and its salts (Butylparaben, propylparaben, sodium propylparaben, sodium butylparaben, potassium butylparaben, potassium propylparaben)

Regulatory information

Key data

CAS
94-26-8/ 94-13-3/ 35285-69-9/ 36457-20-2/ 38566-94-8/ 84930-16-5
EC
202-318-7/ 202-307-7/ 252-488-1/ 253-049-7/ 254-009-1/ 284-597-5
Annex
Entry number
12 a

Inventory links for BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN

Inventory Identified ingredient
Ref 31734

BUTYLPARABEN

CAS: 94-26-8
EC: 202-318-7
Inventory Identified ingredient
Ref 37312

PROPYLPARABEN

CAS: 94-13-3
EC: 202-307-7

Direct matches are limited for this record, so nearby entries from Annex V are shown as well.

Annex V 11
Nearby record in the same annex

CHLOROBUTANOL

CAS: 57-15-8
EC: 200-317-6
Annex V 16
Nearby record in the same annex

THIMEROSAL

CAS: 54-64-8
EC: 200-210-4

What Annex V means for BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN

BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN is an approved preservative listed in Annex V of EU Cosmetics Regulation 1223/2009. Only substances on this positive list may be used as cosmetic preservatives in the EU.

Each preservative entry specifies maximum permitted concentrations and applicable product scope. Concentrations must not exceed the listed maximum. Some preservatives require warning statements on the product label.

This record is linked to 6 CosIng inventory ingredients for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.

Compliance checklist

  • Use concentration must not exceed: - 0,14% (as acid) for the sum of the individual concentrations - 0,8% (as acid) for mixtures of substances mentioned in entry 12 and 12a, here the sum of the individual concentrations of butyl and propylparaben and their salts does not exceed 0,14%
  • Verify the preservative is effective at the permitted concentration for your matrix.
  • Apply required label warning statement.

Frequently asked questions

Yes. BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN is listed in Annex V of EU Cosmetics Regulation 1223/2009 as a permitted preservative. It may be used in cosmetics up to the maximum concentration specified above, within the permitted product scope.

CAS 94-26-8/ 94-13-3/ 35285-69-9/ 36457-20-2/ 38566-94-8/ 84930-16-5 is the unique numerical identifier assigned to BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN by the Chemical Abstracts Service. In cosmetic compliance work, the CAS number is used to cross-reference the substance across regulatory databases, raw material specifications and safety assessment reports. Multiple EU annex entries may share the same CAS number if the same substance appears under different conditions or in different annexes.

The maximum concentration of - 0,14% (as acid) for the sum of the individual concentrations - 0,8% (as acid) for mixtures of substances mentioned in entry 12 and 12a, here the sum of the individual concentrations of butyl and propylparaben and their salts does not exceed 0,14% applies to the concentration of the substance in the ready-to-use cosmetic product. When the substance is supplied as part of a blend or mixture, the calculation must account for the contribution of all sources in the formulation. The combined concentration must not exceed the stated limit.

Use the INCI Checker tool on this site to paste your full ingredient list (INCI) and scan it against all Annex II–VI entries. The tool highlights any ingredients that match restricted, prohibited or allergen-flagged records. This is useful for rapid compliance screening of finished product formulas or raw material declarations.

Source note for Annex V record BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN

This page summarizes one Annex V record for BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.

Use this record page to review Annex V conditions for BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN, but confirm any final regulatory decision against the current official annex wording and source files.

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