FlavScents AInsights Entry for Styralyl Acetate (CAS: 93-92-5)

1. Identity & Chemical Information

• Common Name(s): Styralyl Acetate
• IUPAC Name: 2-phenylethyl acetate
• CAS Number: 93-92-5
• FEMA Number: 3030
• Other Identifiers: FL Number: 09.028
• Molecular Formula: C10H12O2
• Molecular Weight: 164.20 g/mol

Styralyl acetate is an ester compound characterized by the presence of an acetate group linked to a phenylethyl moiety. This structure contributes to its pleasant floral and fruity odor profile, making it a valuable ingredient in both flavor and fragrance formulations.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

Styralyl acetate is known for its sweet, floral, and slightly fruity aroma, reminiscent of jasmine and gardenia. It is often described as having a moderate intensity with good diffusion properties. The compound serves as an impact note in fragrance compositions, providing a fresh and uplifting character. In flavor applications, it can impart a subtle floral nuance, enhancing the overall sensory experience.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

Styralyl acetate is not commonly found in nature but can be synthesized through the esterification of phenylethyl alcohol with acetic acid. This synthetic pathway is crucial for its designation as a "nature-identical" flavor or fragrance compound, allowing it to be used in products labeled as containing natural ingredients.

Citation hooks: FlavScents; food chemistry literature; EFSA/JECFA monographs

4. Use in Flavors

Styralyl acetate is utilized in various flavor categories, including floral, fruity, and sweet profiles. It acts as a modifier, enhancing the complexity and depth of flavor systems. Typical use levels in finished food or beverage products range from 1 to 10 ppm, with higher concentrations potentially leading to overpowering floral notes. The compound is stable under typical processing conditions, though it may degrade under extreme heat or acidic environments.

Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature

5. Use in Fragrances

In the fragrance industry, styralyl acetate is a versatile ingredient used across multiple fragrance families, such as floral, oriental, and chypre. It functions as a top to middle note, providing freshness and lift to compositions. Typical concentration ranges in perfumes and personal care products are between 0.1% and 1%, depending on the desired intensity and character. Its volatility allows it to blend well with other floral and fruity notes.

Citation hooks: FlavScents; IFRA; fragrance chemistry texts

6. Regulatory Status (Regional Overview)

• United States: Recognized as GRAS by FEMA for flavor use.
• European Union: Approved under Regulation (EC) No 1334/2008 with FL number 09.028.
• United Kingdom: Aligns with EU regulations post-Brexit.
• Asia: Approved for use in Japan and China, with specific concentration limits.
• Latin America: Generally accepted in Brazil and MERCOSUR countries, subject to local regulations.

Styralyl acetate is widely accepted across major markets, though formulators should verify specific regional requirements to ensure compliance.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

For oral exposure, styralyl acetate is considered safe at typical flavor use levels, with an acceptable daily intake (ADI) established by regulatory bodies. Dermal exposure in fragrance applications is generally well-tolerated, though IFRA guidelines should be consulted to avoid sensitization risks. Inhalation exposure is minimal due to its moderate volatility, but occupational safety measures should be observed during handling.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

Styralyl acetate is valued for its ability to impart a fresh, floral character to both flavors and fragrances. It synergizes well with other floral and fruity notes, enhancing the overall complexity of formulations. Common pitfalls include overuse, which can lead to an overpowering scent or flavor. It is often underutilized in formulations seeking a subtle floral lift.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

The data on styralyl acetate is well-established, with comprehensive documentation available from authoritative sources. Industry practices are generally consistent, though some regional regulatory nuances may require further verification. Known data gaps are minimal, primarily related to specific regional regulatory updates.

Citation hooks: FlavScents

QA Check

• All required sections 1–9 are present
• "Citation hooks:" line is present under each section
• Flavor section includes ppm ranges
• Toxicology section covers oral, dermal, inhalation
• Regulatory section mentions US, EU, UK, Asia, Latin America
• If complex natural material: includes section 5a (not applicable here)

About FlavScents AInsights (Disclosure)
FlavScents AInsights integrates information from authoritative government, scientific, academic, and industry sources to provide applied, exposure-aware insight into flavor and fragrance materials. Data are drawn from regulatory bodies, expert safety panels, peer-reviewed literature, public chemical databases, and long-standing professional practice within the flavor and fragrance community. Where explicit published values exist, they are reported directly; where gaps remain, AInsights reflects widely accepted industry-typical practice derived from convergent sensory behavior, historical commercial use, regulatory non-objection, and expert consensus. All such information is clearly labeled to distinguish documented data from professional guidance or informed estimation, with the goal of offering transparent, practical, and scientifically responsible context for researchers, formulators, and regulatory specialists. This section is generated using advanced computational language modeling to synthesize and structure information from established scientific and regulatory knowledge bases, with the intent of supporting—not replacing—expert review and judgment.

Generated 2026-05-14 19:27:29 GMT (p2)