What does the restriction note for SODIUM BUTYLPARABEN mean?

The restriction field for SODIUM BUTYLPARABEN reads: V/12. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 36457-20-2?

CAS 36457-20-2 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains SODIUM BUTYLPARABEN?

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

InventoryRef 3774611/08/2020

SODIUM BUTYLPARABEN

Sodium butyl 4-hydroxybenzoate

SODIUM BUTYLPARABEN is linked to 2 EU annex records on this page. Inventory note: V/12.

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Regulatory evidence by market

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Market	Evidence status	Records	Source language
European Union	Evidence linked Positive-list entry with conditions Open this evidence	2	English and EU languages
Great Britain	Source mapped Official source mapped; ingredient rule not imported	0	English
Canada	Source mapped Official source mapped; ingredient rule not imported	0	English and French
New Zealand	Evidence linked Permitted list with conditions Open this evidence	1	English
ASEAN	Source mapped Official source mapped; ingredient rule not imported	0	English and national languages
China	Source mapped Official source mapped; ingredient rule not imported	0	Chinese with selected English material
Japan	Source mapped Official source mapped; ingredient rule not imported	0	Japanese; official English translation available
South Korea	Source mapped Official source mapped; ingredient rule not imported	0	Korean with some English names
United States	Source mapped Official source mapped; ingredient rule not imported	0	English
Australia	Source mapped Official source mapped; ingredient rule not imported	0	English
Brazil	Source mapped Official source mapped; ingredient rule not imported	0	Portuguese with INCI crosswalks
India	Source mapped Official source mapped; ingredient rule not imported	0	English and Hindi
Saudi Arabia	Source mapped Official source mapped; ingredient rule not imported	0	Arabic and English

Chemical identity and properties

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 Å²
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

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID10189971

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

Inventory details for SODIUM BUTYLPARABEN

INCI name

SODIUM BUTYLPARABEN

Description

Sodium butyl 4-hydroxybenzoate

Record provenance

Inventory reference: 37746
Imported identity: SODIUM BUTYLPARABEN
Source update: 11/08/2020

European Commission CosIng source notes

Annex records for SODIUM BUTYLPARABEN

Annex V Restriction reference

Entry 12

4-HYDROXYBENZOIC ACID / METHYLPARABEN /POTASSIUM ETHYLPARABEN /POTASSIUM PARABEN /SODIUM METHYLPARA…

CAS: 99-96-7 /99-76-3 /36457-19-9 /16782-08-4 /5026-62-0 /35285-68-8 /120-47-8 /114-63-6 /26112-0-2 /69959-44-0

EC: 202-804-9 /202-785-7 /253-048-1 /240-830-2 /225-714-1 /252-487-6 /204-399-4 /204-051-1 /247-464-2 /274-235-4

Annex V Identified ingredient

Entry 12 a

BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSI…

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

Key data

CAS

36457-20-2

253-049-7

Restriction

V/12

Function

PRESERVATIVE: Exclusively or mainly intended to inhibit the development of micro-organisms in the cosmetic product. All authorised preservatives are substances in the positive list of Annex V to the Cosmetics Regulation 1223/2009.

Official EU ingredient-name evidence

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

#26310 · SODIUM BUTYLPARABEN

Ingredients with overlapping formulation functions

SILVER CHLORIDEPRESERVATIVE

SILVER CITRATEANTIMICROBIAL, DEODORANT, PRESERVATIVE

SODIUM BENZOATEANTICORROSIVE, FRAGRANCE, PRESERVATIVE

SODIUM BISULFITEANTIOXIDANT, HAIR WAVING OR STRAIGHTENING, PRESERVATIVE, REDUCING

SODIUM CYCLODEXTRIN BUTYLSULFONATEABSORBENT, PRESERVATIVE, SOLVENT, SURFACTANT - CLEANSING

SODIUM DEHYDROACETATEPRESERVATIVE

SODIUM ETHYLPARABENPRESERVATIVE

SODIUM FORMATEPRESERVATIVE

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How SODIUM BUTYLPARABEN appears in the CosIng inventory

The CosIng inventory lists SODIUM BUTYLPARABEN as a cosmetic ingredient and this page links it to 2 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.

SODIUM BUTYLPARABEN is also tagged with 1 cosmetic function 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

SODIUM BUTYLPARABEN appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for SODIUM BUTYLPARABEN reads: "V/12". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, SODIUM BUTYLPARABEN carries the following function designation(s):

PRESERVATIVE

CAS 36457-20-2 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.

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Source note for SODIUM BUTYLPARABEN

This page combines the CosIng inventory entry for SODIUM BUTYLPARABEN with 2 linked Annex II–VI records from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research SODIUM BUTYLPARABEN and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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