What does the restriction note for STYRENE OXIDE mean?

The restriction field for STYRENE OXIDE reads: CMR1B II/656. 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 96-09-3?

CAS 96-09-3 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 9593119/04/2018

STYRENE OXIDE

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

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.

Oxirane, 2-phenyl-,Styrene Epoxide

STYRENE OXIDE is linked to 1 EU annex record on this page. Inventory note: CMR1B II/656.

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Inventory details for STYRENE OXIDE

INCI name

STYRENE OXIDE

Description

Oxirane, 2-phenyl-,Styrene Epoxide

Annex records for STYRENE OXIDE

Annex II Restriction reference

Entry 656

(Epoxyethyl)benzene (Styrene oxide)

CAS: 96-09-3

EC: 202-476-7

Key data

CAS

96-09-3

202-476-7

Restriction

CMR1B II/656

Function

NOT REPORTED

How STYRENE OXIDE appears in the CosIng inventory

The CosIng inventory lists STYRENE OXIDE 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 OXIDE 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 OXIDE 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 OXIDE reads: "CMR1B II/656". 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 OXIDE carries the following function designation(s):

NOT REPORTED

CAS 96-09-3 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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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 OXIDE

This page combines the CosIng inventory entry for STYRENE OXIDE 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 OXIDE 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

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

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Search similar ingredients

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