Cinoxate

Also known as: 2-Ethoxylethyl-p-methoxycinnamate, BRN 2728232, Caswell No. 427E, EINECS 203-191-0, EPA Pesticide Chemical Code 076604 (+6 more)

INCI: CINOXATE

Cinoxate (CAS 104-28-9) is a cosmetic cosmetic ingredient functioning as UV Filter (UVB absorber, peak at 289 nm). EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.

View industrial chemical safety profile for CAS 104-28-9 →

Auto-generated CPSR Part A draft with source citations
Function
UV Filter (UVB absorber, peak at 289 nm)
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C14H18O4
MW
250.29 g/mol
PubChem CID
5373773
IUPAC Name
2-ethoxyethyl (E)-3-(4-methoxyphenyl)prop-2-enoate
InChIKey
CMDKPGRTAQVGFQ-RMKNXTFCSA-N

Regulatory Status

EU EU Status prohibited
US US Status permitted
US Notes FDA-approved OTC sunscreen active at ≤3% concentration; however, FDA has not determined GRAS status due to insufficient safety data

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Cinoxate.

Calculate MoS for your specific formulation with the MoS Calculator.

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

KR Korea MFDS Annex 2 (Restricted)
Category: UV Filter. Max: 5%.
JPKR Japan/Korea Cosmetics
Japan (Positive (UV Absorber)): max 5.0
Japan (Restricted): max Wash-away: No limit | Leave-on: 5.0% | Mucosa: 5.0%
Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
JP restricted Wash-away: No limit | Leave-on: 5.0% | Mucosa: 5.0% Wash-away: No limit | Leave-on: 5.0% | Mucosa: 5.0%

Additional Ingredient Properties

1 property record from structured ingredient metadata.

sunscreen_uv
{"cas_number": "104-28-9", "uv_filter_type": "organic_UVB", "chemical_class": "cinnamate", "absorption_spectrum_nm_range": "270-328", "peak_absorption_wavelength_nm": "289", "molar_extinction_coefficient": "18500", "critical_wavelength_nm": "312", "UVA_PF": "negligible", "SPF_contribution_per_percent": "4.2", "photostability_rating": "moderate", "photodegradation_half_life_hours": "4.0", "photosta…

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (1)
Skin Eye Respiratory Irritation
Derivatives of PABA, benzophenone, cinnamic acid, and salicylate and 2-phenylbenzimidazole-5-sulfonic acid have caused skin irritation including burning, stinging, pruritus, and erythema on rare occasions. /Sunscreens/
Source: Hazardous Substances Data Bank (HSDB)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
UV stabilizer

Expert Verdict

Expert safety assessment and concern-level summary for Cinoxate.

Known Synonyms

2-Ethoxylethyl-p-methoxycinnamate BRN 2728232 Caswell No. 427E EINECS 203-191-0 EPA Pesticide Chemical Code 076604 Giv Tan f Give-Tan Sundare Cinoxato Cinoxatum UNII-5437O7N5BH

Chemical Function

UV stabilizer

Regulatory Lists

inert_ingredient; non_food_use; Pesticides pharmaceutical Canada; pharmaceutical

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
CINOXATE
ChEMBL ID
CHEMBL2104045
Max Phase
2
View full pharmaceutical profile →

Frequently Asked Questions

Is Cinoxate safe in cosmetics?

Cinoxate has a safety rating of "MODERATE" in our database. EU status: prohibited. US status: permitted.

Is Cinoxate allowed in the EU?

Cinoxate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Cinoxate do in cosmetics?

Cinoxate functions as: UV Filter (UVB absorber, peak at 289 nm). It is classified as a cosmetic ingredient in our database. CAS number: 104-28-9.

Is Cinoxate used outside cosmetics?

Cinoxate also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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