Phenol, 2,3,5-trimethyl- (CAS 697-82-5) — Woody Base Note Fragrance Ingredient

ByThe Good Scents
Woody · Spicy

Phenol, 2,3,5-trimethyl-

CAS 697-82-5

Origin
synthetic
Note
Base
IFRA
Use with awareness
Data as of: Apr 2026

What Is Phenol, 2,3,5-trimethyl-?

2,3,5-Trimethylphenol is a synthetic aromatic compound used in perfumery for its woody, smoky character. It’s found in niche fragrances aiming for industrial or leathery accords. This ingredient matters because it adds depth and complexity to modern compositions, particularly in avant-garde or gender-neutral scents where traditional floral notes are minimized.

Safety Profile

USE WITH AWARENESS
Generally safeUse with awarenessProfessional use
⚠ Potential skin sensitizer
⚠ Avoid in leave-on products
CAS
697-82-5
Formula
Mixture
MW
Variable
Odor Family
Woody · Spicy
Layer 1 · Enthusiast

What Does Phenol, 2,3,5-trimethyl- Smell Like?

200-word vivid prose. Use analogies, describe top/heart/base evolution, dry-down behavior. Evocative but accurate.

Scent Profile

In Famous Fragrances

Fragrance associations may not reflect actual formulations.

Perfume Name(Brand, 1990)

50 words: HOW and WHY this ingredient is used in this specific fragrance.

Layer 2

Chemistry, Properties & Perfumer Guide

The Chemistry

2-3 paragraphs. Molecular class, natural occurrence, key synthesis routes. Accessible but technically accurate. Include chirality if relevant.

Physical & Chemical Properties

Boiling PointN/A
DensityN/A

Perfumer Guide

Note Position
Base
Volatility
Low (hours+)
Blending
Moderate
ApplicationTypical %RangeNotes
Fine Fragrance0.1-0.5%Up to 1%Used for leather/tobacco accords

Classic Accords

Tip: One practical sentence for perfumers.

Alternatives & Comparisons

1
Alternative Name CAS XXX-XX-X

40 words. When and why to use this instead.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

General reference only. Consult current IFRA Standards Library before formulating.

IFRA Status

IFRA status and any restrictions. Cite amendment number if restricted.

EU Allergen Declaration

EU allergen declaration requirements, if applicable. Null if not an allergen.

GHS Classification

H315 Skin irritation H319 Eye irritation

RIFM Assessment

1-2 sentences on RIFM safety assessment status.

Sustainability

1-2 paragraphs on sourcing, supply chain, natural vs synthetic, environmental considerations.

Explore Phenol, 2,3,5-trimethyl-

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References

  1. Author et al. (Year). Title. Journal. PMID XXXXX

Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.

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