Neryl Acetate (FG & Technical Grades): The Soft Floral–Citrus Bridge for Flavors & Fragrances

Neryl Acetate (FG & Technical Grades)

Neryl Acetate (FG & Technical Grades): The Soft Floral–Citrus Bridge for Flavors & Fragrances

Executive Summary

Neryl Acetate is a delicate ester valued for its soft, rosy–floral aroma combined with light citrusy freshness. It acts as a smooth transition between top and heart notes in fragrances and adds subtle elegance to citrus, floral, and fruit-forward flavor compositions. This whitepaper provides a technical overview, covering chemistry, sensory profile, stability, applications, and regulatory guidance—independent of any specific brand.

What Is Neryl Acetate? (Chemistry & Structure)

Neryl Acetate is the acetate ester of Nerol, chemically named cis-3,7-dimethyl-2,6-octadien-1-yl acetate. It is a monoterpenoid ester that naturally occurs in essential oils like neroli, citronella, and lemongrass. Compared with Nerol, Neryl Acetate is softer, sweeter, and less green, providing a smoother floral–citrus experience.

Key Identifiers & Compliance Snapshot

Parameter	Neryl Acetate
Name (IUPAC / common)	Neryl Acetate (cis-3,7-dimethyl-2,6-octadien-1-yl acetate)
CAS Number	141-12-8
FEMA Number	2773
EC / EINECS	205-459-2
INCI / Flavor Use	Parfum; Flavouring Agent
Grade Availability	Technical & Food Grade (FCC)

Note: Always verify grade and purity via supplier COA, and confirm against current REACH, IFRA, and regional flavor regulations.

Sensory Profile & Odor Threshold

• Signature: soft rose, light citrus, gentle fruity nuance.

• Odor threshold: low to moderate; effective at small concentrations.

• In flavors, adds subtle sweetness and smooth citrus lift.

• In fragrances, enhances floral accords and acts as a bridging note between top and heart layers.

Physico-Chemical Properties (Formulator Notes)

• Appearance: colorless to pale yellow liquid

• Boiling Point: approximately ≈235–245 °C at 1 atm (or ≈134 °C at 25 mmHg under reduced pressure) — cite reduced-pressure value if vacuum distillation is referenced.

• Density (ρ₂₀): ≈ 0.905–0.914 g/cm³ at 20 °C

• Refractive Index (n₂₀/D): ≈ 1.458–1.465

• Solubility: insoluble in water; soluble in alcohols, oils, esters, perfumery carriers

• Stability: sensitive to oxidation and light; store airtight, preferably under inert gas

Grades, Quality & Documentation

Available as Technical and Food Grade (FCC). Typical documents:

• COA (Certificate of Analysis)

• SDS (Safety Data Sheet)

• TDS (Technical Data Sheet)

• IFRA Certificate

• Flavor/Food Compliance Statement

• Allergen, GMO/Non-GMO, Vegan, Halal, Kosher declarations

Neryl Acetate (FG & Technical Grades)

Applications & Typical Use Levels

Flavors

• Used in citrus, tropical, and floral–fruit flavorings.

• Supports subtle rosy, lemon, and exotic fruit notes.

• Typical use levels: 1–10 ppm in finished products; adjust per local regulations.

Fragrances & Consumer Products

• Common in perfumes, personal care, air care, and household products.

• Lifts floral hearts and adds soft citrus brightness.

• Typical dosage: trace to 2% depending on formula.

Formulation Strategy & Pairings

Pairs well with: Nerol, geraniol, citronellol; citrus oils (lemon, orange, mandarin); floral notes (rose, orange blossom, jasmine); green and light musk notes.Role: Bridges top-to-heart floral notes, adds softness to citrus or fruity blends, enhances “dewy” effect.Tips: Start at low ppm (<1%), monitor oxidation in emulsions/high-pH systems, rebalance with green/woody notes if overly sweet.

Stability, Storage & Packaging

• Store in sealed, light-protected containers (aluminum or lacquered glass).

• Cool, dry, away from direct light and heat.

• Recommended: nitrogen blanket for long-term stability.

• Shelf life: 12–24 months depending on storage conditions.

Regulatory & Safety Overview

• Flavor Use: FEMA GRAS; comply with FDA CFR and EU regulation frameworks (confirm specifics per region).

• Fragrance Use: Generally unrestricted under IFRA; confirm category-specific limits.

• Allergens: Not a declarable EU fragrance allergen by default (check impurities and cumulative labeling thresholds).

• Toxicity: Low; mild irritation possible at high concentrations.

• Safety: Avoid concentrated inhalation; wear gloves; follow SDS.

Analytical & QC (GC-MS, Assay)

• Identity: GC-MS confirmation (retention index & spectrum).

• Assay: ≥97% GC area purity typical.

• Monitoring: ester content, oxidation products, residual solvents.

Purchasing Checklist & FAQs

Checklist:☑ Grade (FG or Technical) verified on COA☑ CAS 141-12-8 / FEMA 2773 / EC 205-459-2 match internal specs☑ Regulatory declarations & SDS received☑ Shelf life & packaging suitable for application☑ Pilot tested in final product

Selected FAQs:

• Q: Can Neryl Acetate replace Nerol?A: Not exactly — Neryl Acetate is softer and sweeter; use as a complement.

• Q: Does it oxidize easily?A: Moderate sensitivity to air/light; store under inert gas when possible.

Sample & Quotation

For evaluation of Neryl Acetate in flavors or fragrances, contact us for samples, FG/Technical grades, and full documentation (COA, SDS, TDS, compliance). Specify intended use, target dosage, and regulatory requirements.

This article was researched and written by Galbora

The use of this article is permitted by citing the source.

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