Violet T — Technical & Sensory Overview

Violet T

Violet T Technical & Sensory Overview

Executive Summary

Violet T is a specialty aroma compound designed for fine fragrance, personal care, and household formulations. It imparts green, floral, violet, and fruity tonalities with a gentle, diffusive character and a soft, modern freshness. Ideal as a harmonizing modifier, Violet T enriches compositions such as apple blossom, amaryllis, and aldehydic florals, offering depth and lift while maintaining clarity and diffusion.

What Is Violet T? (Chemistry & Structure)

• Chemical Name: Cyclooct-4-enyl methyl carbonate

• Synonym: Cyclooct-4-en-1-yl methyl carbonate

• Molecular Formula: C₁₀H₁₆O₃

• Molecular Weight: 184.35 g/mol

• Chemical Class: Carbonate ester (aromatic modifier)

• Natural Status: Synthetic – Not found in nature

Key Identifiers & Compliance Snapshot

Parameter	Specification
CAS Number	87731-18-8
EC / EINECS	–
Purity (Min.)	≥ 65 % (main peak)
Flash Point	> 100 °C
Vapor Pressure (25 °C)	≈ 2.4 Pa
CLogP	3.27
Appearance	Colorless to pale yellow liquid
Occurrence in Nature	Not found in nature (synthetic)
Typical Use Level	< 2 % in formulations
Recommended Grade	Perfume & Functional (P&F)

Sensory Profile & Performance

• Olfactory Signature: Green, floral, violet, fruity, slightly powdery

• Diffusion: Highly diffusive — noticeable even at low concentrations

• Tenacity (on blotter): > 8 hours

• Substantivity:

  SurfacePerformanceSkinFairDry FabricPoorWet FabricFairHairFair

Stability & pH Dependence

• Acidic to neutral pH (3 – 9): Good stability

• Mildly alkaline pH (10 – 11): Acceptable but reduced stability

• Strong alkaline (pH ≈ 14): Poor stability / degradation likely

👉 Recommendation: Store in light-protected, airtight containers and use antioxidants to prevent oxidation.

Violet T

Applications & Typical Uses

Fragrance Applications

• Fine fragrances and eaux de toilette

• Soaps, shampoos, lotions

• Air fresheners and candles

Flavor Applications

• Citrus blends

• Tropical fruit accords

• Herbal beverages and candies

Household & Personal Care Products

• Fabric softeners

• Antiperspirants

• Liquid detergents

• Soaps and powder detergents

• Bleach and cleaning formulations

Formulation Strategy & Pairings

Pairs well with: Linalool, Citronellol, Geraniol, citrus oils, and floral notes.

Role: Provides freshness, diffusion, and top-note lift.

Tips for Formulators:

• Add antioxidants to slow oxidation.

• Combine with long-lasting bases (woody or balsamic notes).

• Avoid high-pH environments to maintain stability.

Regulatory & Safety Overview

• Flavor Use: FEMA GRAS No. 2762

• Fragrance Use: No IFRA restrictions at typical levels

• Allergens: Not listed among EU 26 fragrance allergens

• Toxicity: Low toxicity; may cause mild irritation at high dosages

Analytical & Quality Control

• Identity Verification: GC-MS retention index and spectrum

• Assay: ≥ 85 % GC area purity (Galbora P&F T500 specification standard)

• Monitoring: Evaluate oxidation products and pH-dependent stability

Purchasing Checklist

☑ Verify grade (P&F) and ≥ 85 % purity via COA

☑ Confirm stability data and storage conditions

☑ Ensure availability of SDS, IFRA certificate, and allergen status

☑ Conduct pilot trials in target formulations

This article was researched and written by Galbora.

Use of this content is permitted when citing the source.

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