PROCUREMENT REFERENCE

Aromatic Chemicals Glossary for Procurement Managers

You’re a procurement manager at a fragrance house, cosmetic OEM, or pharma company. The R&D team sends you a buy list with 40 aromatic chemicals on it. You need to source efficiently — knowing what each molecule does in formulation, what assay grade is standard, what pricing band to expect, and which compliance certifications matter. Here’s the procurement-grade reference.

Aromatic chemicals reference · Updated May 2026

The 12 highest-volume aromatic chemicals (by global F&F use)

Linalool

Family: Acyclic terpene alcohol · Standard assay: 95–98% GC · FEMA: 2635 · Organoleptic: floral, lily-of-valley, slightly woody. Use: universal in fine fragrance, personal care, soap. Pricing band: workhorse. Sourcing note: natural-origin (ex-rosewood or ex-Ho-leaf) commands a premium; synthetic-route is the F&F default.

Geraniol

Family: Acyclic monoterpene alcohol · Standard assay: 95–98% GC · FEMA: 2507 · Organoleptic: sweet rose, geranium, floral-citrus. Use: rose/floral fragrance bases, soap, F&F, mosquito repellent. Pricing band: workhorse. Sourcing note: natural-origin from palmarosa or citronella; synthetic-route also widely used.

Phenyl Ethyl Alcohol (PEA)

Family: Aromatic alcohol · Standard assay: 99% GC · FEMA: 2858 · Organoleptic: rose, honey, mild floral. Use: fine fragrance backbone, personal care, cosmetic. Pricing band: mid-workhorse. Sourcing note: almost always synthetic-route from styrene oxide hydrogenation.

Terpineol

Family: Monoterpene alcohol (alpha/beta/gamma mix or pure alpha) · Standard assay: 95–98% GC · FEMA: 3045 · Organoleptic: lilac, pine, soft floral. Use: soap, F&F, candle, masking. Pricing band: workhorse. Sourcing note: ex-turpentine processing; we make this on-site.

Eugenol

Family: Allylphenol · Standard assay: 98% GC · FEMA: 2467 · Organoleptic: clove-spice, warm, sweet. Use: dental (pharma), F&F spicy bases, flavour. Pricing band: mid-tier. Sourcing note: ex-clove leaf or ex-clove bud; pharma-grade requires careful retro-spec.

Citronellol

Family: Acyclic monoterpene alcohol (rho- isomer common in F&F) · Standard assay: 95–98% GC · Organoleptic: rose-citronella, floral, slightly sweet. Use: rose-floral compounding, personal care, repellent (citronellal precursor route). Pricing band: workhorse.

D-Limonene

Family: Cyclic monoterpene · Standard assay: 96–98% GC · FEMA: 2633 · Organoleptic: bright citrus, orange. Use: citrus F&F, industrial cleaning solvent, food flavour, household. Pricing band: workhorse (lowest in citrus chemistry). Sourcing note: ex-orange peel cold-press; we move FCL volumes.

L-Carvone vs D-Carvone

Mirror-image isomers with very different organoleptic profiles. L (spearmint, FEMA 2249) is the oral-care / pharma chiral; D (caraway/dill, FEMA 2250) is the savoury/bakery flavour. Full comparison →

Bacdanol (sandalwood substitute)

Family: Synthetic sesquiterpene aldehyde · Standard assay: 95–98% GC · Organoleptic: sandalwood, woody, creamy. Use: F&F bases as sandalwood-substitute. Pricing band: premium. Sourcing note: sustainable Atlas / Mysore-core sandalwood substitute; growing demand globally.

Dihydromyrcenol

Family: Saturated monoterpene alcohol · Standard assay: 98% GC · Organoleptic: citrus-fresh, lime, masculine-fragrance signature. Use: men’s fine fragrance, functional / soap, F&F.

Menthol Crystals (L-Menthol)

Family: Cyclic monoterpene alcohol (L-isomer) · Standard assay: ≥99.5% (USP/BP/IP/JP) · Organoleptic: cooling, fresh mint. Use: pharma vapour-rub, oral-care, F&F. Pricing band: workhorse. Sourcing note: ex-Mentha arvensis or synthetic-route; pharmacopoeia-compliant default.

Thymol Crystals

Family: Monoterpene phenol · Standard assay: ≥99% (USP/BP/Ph.Eur/FCC) · Organoleptic: herbal, slightly phenolic. Use: oral-care antiseptic, pharma topical, plate-count agar. Pricing band: mid-tier.

What “GC assay” really means at procurement scale

GC (gas chromatography) assay is the percentage of the target molecule in the bulk material. A 98% GC Linalool is 98% Linalool; the remaining 2% is dehydrolinalool / cis-trans isomers / other related impurities. For most F&F applications, 95–98% is the workhorse grade. For pharma applications, higher purity (≥99% or ≥99.5%) is the pharmacopoeia-mandated grade. Always confirm GC assay at PI stage — never assume.

The other parameter that travels with every aromatic chemical

Optical rotation matters on chiral molecules (L-Menthol, L-Carvone, D-Carvone, optically-active terpenes). It’s the only QC parameter that reliably distinguishes between mirror-image isomers. Make sure your COA reports it on chiral molecules.

FEMA vs FCC vs IFRA — which compliance certification do you need?

• FEMA (Flavor & Extract Manufacturers Association) — required for food flavour use in USA
• FCC (Food Chemicals Codex) — purity standard for food-grade ingredients
• IFRA (International Fragrance Association) — usage-restriction standard for fragrance compounds
• USP / BP / IP / JP / Ph.Eur — pharmacopoeia compliance for pharma

The aromatic chemical you’re sourcing may need one, two, or three of these. Full compliance primer →

What “manufacturer-direct” means in practice

The aromatic chemicals trade has 3 layers: producer (plant) → trader (broker / re-seller) → buyer (you). Each layer typically adds 15–25% markup. Buying manufacturer-direct cuts the trader layer, saves 25–50%, and removes risk of “blended” material (where a trader mixes two lots from two upstream sources, breaking your COA / chromatogram consistency). We are the producer layer for several of the major Indian aromatic-chemical SKUs.