Is STYRYL ACETATE safe to use in EU cosmetics?

STYRYL ACETATE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What other records share CAS 10521-96-7?

CAS 10521-96-7 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 STYRYL ACETATE?

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 4111302/03/2011

STYRYL ACETATE

2-Phenylethenyl acetate

STYRYL ACETATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 10521-96-7

CAS 10521-96-7PubChem CID 5960065

Styryl acetate

IUPAC name: [(E)-2-phenylethenyl] acetate

Molecular formula: C10H10O2
Molecular weight: 162.18 g/mol
Exact mass: 162.068079557 Da
XLogP3: 2.1
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

RefChem:186178234-065-3FMFHUEMLVAIBFI-BQYQJAHWSA-N(E)-styryl acetate1566-65-01566-67-2

Open full PubChem record PubChem annotations 3D structure image

Evidence from additional scientific databases

NIH PubChem PUG-View

Exact identifier match5960065

Attributed physical-property, hazard, environmental and use annotations.

Note: This chemical does not meet GHS hazard criteria for 100% (89 of 89) of all reports. Source: European Chemicals Agency (ECHA)
GHS Hazard Statements: Not Classified; Reported as not meeting GHS hazard criteria by 89 of 89 companies. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
ECHA C&L Notifications Summary: Aggregated GHS information provided per 89 reports by companies from 1 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 89 of 89 reports by companies.; There are 0 notifications provided by 0 of 89 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status

Source	Result	Checked
EMBL-EBI ChEBI	No exact record	2026-08-31
NIH PubChem PUG-View	Exact match	2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for STYRYL ACETATE

INCI name

STYRYL ACETATE

Description

2-Phenylethenyl acetate

Record provenance

Inventory reference: 41113
Imported identity: STYRYL ACETATE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for STYRYL ACETATE

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Key data

CAS

10521-96-7

234-065-3

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

STYRAX BENZOIN RESIN EXTRACTFILM FORMING, FRAGRANCE, PERFUMING

STYRAX BENZOIN RESIN OILPERFUMING

STYRAX TONKINENSIS RESIN EXTRACTPERFUMING, SKIN CONDITIONING

STYRAX TONKINENSIS RESIN OILPERFUMING

SYRINGALDEHYDEPERFUMING

T-BUTYL ALCOHOLDENATURANT, PERFUMING, SOLVENT

TAGETES ERECTA FLOWER EXTRACTPERFUMING, SKIN CONDITIONING

TAGETES ERECTA FLOWER OILFRAGRANCE, PERFUMING

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 STYRYL ACETATE appears in the CosIng inventory

The CosIng inventory lists STYRYL ACETATE as a cosmetic ingredient and this page links it to 0 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.

STYRYL ACETATE 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

STYRYL ACETATE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, STYRYL ACETATE carries the following function designation(s):

PERFUMING

CAS 10521-96-7 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 STYRYL ACETATE

This page reproduces the CosIng inventory entry for STYRYL ACETATE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research STYRYL ACETATE 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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