What does the restriction note for STYRENE mean?

The restriction field for STYRENE reads: II/1575. 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 100-42-5?

CAS 100-42-5 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 4111230/07/2020

STYRENE

Q: How do I check if my formula contains STYRENE?

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.

Ethenyl-benzene; Vinylbenzene; Phenylethylene; Styrol; Styrolene; Cinnamene

STYRENE is linked to 1 EU annex record on this page. Inventory note: II/1575.

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Inventory details for STYRENE

INCI name

STYRENE

Description

Ethenyl-benzene; Vinylbenzene; Phenylethylene; Styrol; Styrolene; Cinnamene

Annex records for STYRENE

Annex II Restriction reference

Entry 1575

Styrene

CAS: 100-42-5

EC: 202-851-5

Key data

CAS

100-42-5

202-851-5

Restriction

II/1575

Function

SOLVENT

How STYRENE appears in the CosIng inventory

The CosIng inventory lists STYRENE 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.

STYRENE 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

STYRENE 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 STYRENE reads: "II/1575". 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, STYRENE carries the following function designation(s):

SOLVENT

CAS 100-42-5 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 STYRENE

This page combines the CosIng inventory entry for STYRENE 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 STYRENE 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 STYRENE 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 STYRENE, its identifiers or nearby name variants.