What does the restriction note for PROPIONIC ACID mean?

The restriction field for PROPIONIC ACID reads: V/2. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What function does PROPIONIC ACID serve in cosmetics?

According to the EU CosIng inventory, PROPIONIC ACID carries the following function designation(s): ANTIMICROBIAL, FRAGRANCE, pH ADJUSTERS, PRESERVATIVE.

What other records share CAS 79-09-4?

CAS 79-09-4 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.

InventoryRef 3726111/08/2020

PROPIONIC ACID

Q: How do I check if my formula contains PROPIONIC ACID?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

Propionic acid

PROPIONIC ACID is linked to 1 EU annex record on this page. Inventory note: V/2.

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Inventory details for PROPIONIC ACID

INCI name

PROPIONIC ACID

Description

Propionic acid

Annex records for PROPIONIC ACID

Annex V Restriction reference

Entry 2

PROPIONIC ACID / AMMONIUM PROPIONATE / CALCIUM PROPIONATE / MAGNESIUM PROPIONATE / POTASSIUM PROPIO…

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

Key data

CAS

79-09-4

201-176-3

Restriction

V/2

Function

ANTIMICROBIAL FRAGRANCE pH ADJUSTERS PRESERVATIVE

How PROPIONIC ACID appears in the CosIng inventory

The CosIng inventory lists PROPIONIC ACID as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

PROPIONIC ACID is also tagged with 4 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

PROPIONIC ACID 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 PROPIONIC ACID reads: "V/2". 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, PROPIONIC ACID carries the following function designation(s):

CAS 79-09-4 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.

View CAS records

Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

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Source note for PROPIONIC ACID

This page combines the CosIng inventory entry for PROPIONIC ACID with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research PROPIONIC ACID 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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Tools & next steps

Check your formula

Scan a full INCI list to detect PROPIONIC ACID and any linked EU annex restrictions or allergen flags.

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Search similar ingredients

Find other inventory ingredients and annex entries related to PROPIONIC ACID, its identifiers or nearby name variants.