Pyridine, 4-[1(4-,5 or 6)-methylbicyclo[2.2.1]hept-5-en-2-yl]- (CAS 862079-91-2) — Citrus N/A Note Fragrance Ingredient

Citrus · Floral

Pyridine, 4-[1(4-,5 or 6)-methylbicyclo[2.2.1]hept-5-en-2-yl]-

CAS 862079-91-2

Origin
synthetic
Note
N/A
IFRA
Professional use
Data as of: Apr 2026

What Is Pyridine, 4-[1(4-,5 or 6)-methylbicyclo[2.2.1]hept-5-en-2-yl]-?

Pyridine derivatives are synthetic compounds rarely encountered by consumers outside industrial or laboratory settings. These specialized chemicals sometimes appear in trace amounts as byproducts in certain fragrance syntheses. While not directly used in perfumery, understanding such compounds helps ensure product safety and purity standards across the industry.

Safety Profile

PROFESSIONAL USE
Generally safeUse with awarenessProfessional use
Not for consumer products
Requires specialized handling
CAS
862079-91-2
Formula
Mixture
MW
Variable
Odor Family
Citrus · Floral
Layer 1 · Enthusiast

What Does Pyridine, 4-[1(4-,5 or 6)-methylbicyclo[2.2.1]hept-5-en-2-yl]- Smell Like?

This synthetic pyridine derivative lacks direct olfactory applications in perfumery. As an intermediate compound, its odor profile is typically sharp, chemical, and unpleasant – often described as harshly medicinal with fishy undertones. The molecular structure suggests potential for nitrogenous, animalic off-notes if present in finished products.

Layer 2

Chemistry, Properties & Perfumer Guide

The Chemistry

This bicyclic pyridine derivative belongs to a class of nitrogen-containing heterocyclic compounds. The bridged ring system suggests constrained molecular geometry that could influence reactivity. Such structures typically serve as synthetic intermediates rather than final fragrance ingredients. The methyl substitution pattern may affect both physical properties and potential degradation pathways.

Physical & Chemical Properties

StatusIndustrial intermediate
HandlingSpecialized conditions required

Perfumer Guide

Note Position
N/A
Volatility
N/A
Blending
N/A
ApplicationTypical %RangeNotes
IndustrialTraceNot applicablePotential process impurity

Classic Accords

Tip: Not applicable for direct perfumery use.

Alternatives & Comparisons

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

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

IFRA Status

Not evaluated by IFRA – industrial chemical intermediate.

GHS Classification

H302 Harmful if swallowed H312 Harmful in contact with skin

RIFM Assessment

No RIFM evaluation – not a fragrance material.

Sustainability

This synthetic intermediate has no direct environmental impact in perfumery due to its negligible presence in finished products. Industrial synthesis routes should follow green chemistry principles to minimize hazardous waste generation.

Explore Pyridine, 4-[1(4-,5 or 6)-methylbicyclo[2.2.1]hept-5-en-2-yl]-

Browse essential oils and aroma compounds.

Browse on iHerb →

Affiliate disclosure: we may earn a small commission at no extra cost to you.

References

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

    Report a data error

    Similar Posts