Isoamyl Salicylate

✦ Synthetic aroma chemical with a sweet, creamy, orchid-floral scent and soft green-balsamic character
✦ Functions as both a fragrance ingredient and a mild UV absorber in cosmetic formulations
✦ Excellent fixative and blending agent — smooths harsh notes and adds floral diffusion to a composition
✦ Widely used in lily of the valley, orchid, jasmine, and white floral accords
✦ Compatible with musks, ambers, woods, and green accords — highly versatile in oriental and chypre bases
✦ Vegan and not derived from animal sources — suitable for vegan and halal-friendly formulations
✦ Available in cosmetic-grade purity, compliant with IFRA 51st Amendment when used within prescribed limits

Isoamyl Salicylate is a synthetic ester of salicylic acid and isoamyl alcohol. It has been used in perfumery since the early twentieth century and remains a foundational material in the floral perfumer's palette. It appears naturally in trace amounts in certain botanical materials but is produced commercially via esterification for fragrance and cosmetic use. Its long history in classic floral and chypre fragrances speaks to its enduring relevance.

What sets isoamyl salicylate apart is its dual functionality. As a fragrance material, it delivers a smooth, sweet, powdery-floral effect that rounds off sharp green or citrus notes and adds softness to heavy oriental bases. As a cosmetic active, it offers documented UV absorption properties in the UVB range, which is why it has historically appeared in suncare formulations. This combination of sensory and functional value makes it one of the more versatile synthetic esters available to formulators.

Rabibazaar supplies cosmetic-grade Isoamyl Salicylate suitable for DIY perfumers, attar blenders, cosmetic formulators, and home fragrance crafters who need a reliable, consistent, and professionally sourced aroma chemical.

META TITLE
Isoamyl Salicylate – Sweet Floral Fixative | Rabibazaar

META DESCRIPTION
Isoamyl Salicylate is a sweet, orchid-like aroma chemical used in floral and oriental fragrances. Cosmetic-grade, IFRA-compliant. Shop at Rabibazaar.

SEO DESCRIPTION
Isoamyl Salicylate, also known as Isopentyl Salicylate or 3-Methylbutyl Salicylate (CAS 87-20-7), is a synthetic aroma chemical widely used in fine fragrance, cosmetics, and personal care formulations. It delivers a sweet, floral, orchid-like scent with soft green and slightly balsamic undertones, making it a favourite fixative in floral, chypre, and oriental compositions. In cosmetics, isoamyl salicylate also functions as a UV absorber, adding technical value beyond its fragrance contribution. It blends seamlessly with white musks, jasmine bases, lily of the valley accords, and woody ambers. Its mild tenacity and excellent diffusion make it useful in both rinse-off and leave-on applications at compliant usage rates. Formulators working on sunscreen bases, body lotions, and prestige perfumes rely on isoamyl salicylate for its smoothing and fixative properties. Rabibazaar supplies cosmetic-grade isoamyl salicylate to DIY perfumers, beauty formulators, and professional blenders across Pakistan.

FIELD 1 — Key Features

✦ Synthetic aroma chemical with a sweet, creamy, orchid-floral scent and soft green-balsamic character
✦ Functions as both a fragrance ingredient and a mild UV absorber in cosmetic formulations
✦ Excellent fixative and blending agent — smooths harsh notes and adds floral diffusion to a composition
✦ Widely used in lily of the valley, orchid, jasmine, and white floral accords
✦ Compatible with musks, ambers, woods, and green accords — highly versatile in oriental and chypre bases
✦ Vegan and not derived from animal sources — suitable for vegan and halal-friendly formulations
✦ Available in cosmetic-grade purity, compliant with IFRA 51st Amendment when used within prescribed limits

FIELD 2 — About

Isoamyl Salicylate is a synthetic ester of salicylic acid and isoamyl alcohol. It has been used in perfumery since the early twentieth century and remains a foundational material in the floral perfumer's palette. It appears naturally in trace amounts in certain botanical materials but is produced commercially via esterification for fragrance and cosmetic use. Its long history in classic floral and chypre fragrances speaks to its enduring relevance.

What sets isoamyl salicylate apart is its dual functionality. As a fragrance material, it delivers a smooth, sweet, powdery-floral effect that rounds off sharp green or citrus notes and adds softness to heavy oriental bases. As a cosmetic active, it offers documented UV absorption properties in the UVB range, which is why it has historically appeared in suncare formulations. This combination of sensory and functional value makes it one of the more versatile synthetic esters available to formulators.

Rabibazaar supplies cosmetic-grade Isoamyl Salicylate suitable for DIY perfumers, attar blenders, cosmetic formulators, and home fragrance crafters who need a reliable, consistent, and professionally sourced aroma chemical.

FIELD 3 — Olfactory Profile

SCENT DESCRIPTION : Isoamyl Salicylate opens with a sweet, slightly fruity floral character that quickly settles into a creamy, orchid-like softness. There is a faint green transparency beneath the floral heart — clean and natural-feeling rather than sharp. As it dries down, a mild balsamic warmth emerges, lending fixative depth to any composition it inhabits. It is smooth, rounded, and never strident.

NOTE POSITION : Mid to Base

FRAGRANCE FAMILY : Floral · Green · Balsamic

FACETS : Sweet · Orchid · Creamy · Green · Powdery

TENACITY : Medium — perceptible for 4 to 6 hours on skin at standard usage rates

SILLAGE : Medium — blends into the composition rather than projecting alone; improves overall diffusion of surrounding materials

Chemical Name : Isoamyl Salicylate (3-Methylbutyl 2-Hydroxybenzoate)
CAS Number : 87-20-7
Synonyms : Isopentyl Salicylate · Amyl Salicylate · 3-Methylbutyl Salicylate
Purity : 97% minimum (cosmetic grade)
Appearance : Colorless to pale yellow clear liquid
Odor Threshold : Approximately 0.3 ppm (low — effective at small concentrations)
Solubility : Insoluble in water · Freely soluble in ethanol, IPM, and carrier oils
Specific Gravity : 1.049 – 1.055 at 20°C
Flash Point : Approximately 127°C (closed cup)
Type : Synthetic ester

Fine Fragrance ★★★★★
Isoamyl Salicylate is a classic fine fragrance material used in floral, chypre, oriental, and green compositions. It adds body, sweetness, and fixative character to heart and base accords. It is especially effective in lily of the valley, orchid, and jasmine reconstructions.

Attar and Oriental Blending ★★★★☆
In attar and oil-based perfumery, it provides a smooth floral-balsamic bridge between florals and heavier base materials such as oud, sandalwood, and ambers. It softens the transitions between notes and improves blending cohesion. Use at moderate levels to avoid sweetness dominance.

Functional Fragrance ★★★★☆
Useful in body lotions, hair care, and rinse-off personal care products where a clean floral background is desired. Its secondary UV-absorbing function adds value in sun care formulations. Always observe IFRA limits for leave-on versus rinse-off categories.

Cosmetics ★★★☆☆
Can be incorporated into lotions, creams, and light skin care as a fragrance contributor and mild UV filter. Use at low levels due to skin sensitization potential. Not recommended for lip products above IFRA limits and not suitable for sensitive or compromised skin applications without patch testing.

Home Fragrance ★★★★☆
Performs well in reed diffusers, wax melts, and room sprays. Its floral-sweet character blends naturally into floral and clean linen fragrance types. Tenacity in candle applications is moderate — consider anchoring with fixatives such as Iso E Super or Galaxolide for longer throw.

Recommended Usage Rates by Application

EDP (Eau de Parfum) : 0.5% – 1.5% (as part of overall composition)
EDT (Eau de Toilette) : 0.3% – 1.0%
Body Lotion (Leave-on) : 0.05% – 0.13% (IFRA Category 5A limit applies)
Shampoo / Body Wash : 0.1% – 0.25% (rinse-off — higher allowance)
Candle : 1.0% – 3.0% (flash point is safe for most wax types)
Reed Diffuser : 2.0% – 5.0%
Soap (Cold Process) : 0.3% – 0.5% (monitor discoloration in high-pH bases)

IFRA 51st Amendment Limits (Key Categories)

Category 3 (Lip products) : 0.08% maximum
Category 4 (Deodorant, non-spray) : 0.08% maximum
Category 5A (Leave-on body, face) : 0.13% maximum
Category 5B (Face moisturiser) : 0.13% maximum
Category 7A (Rinse-off hair) : 0.26% maximum
Category 9 (Fine fragrance) : 1.5% maximum
Category 10A (Candles, air care) : No quantitative restriction specified

⚠️ Isoamyl Salicylate is a classified skin sensitizer under IFRA standards. Always stay within IFRA 51st Amendment limits for each product category.
⚠️ Not recommended for use on broken, sensitive, or compromised skin.
⚠️ Verify current IFRA limits at ifrafragrance.org before production scale-up.

Method 1 — Floral Heart Smoothing
Add Isoamyl Salicylate at 0.3% to 0.8% directly into the floral heart of a composition. It softens harsh indolic jasmine notes, rounds off sharp green stems, and brings creaminess to lily of the valley and muguet accords without overpowering them.

Method 2 — Fixative Anchoring in Oriental Bases
Use at 0.5% to 1.2% alongside woody and resinous base materials such as cedarwood, benzyl benzoate, or labdanum. Isoamyl Salicylate acts as a bridge between heavy balsamic bases and lighter floral top notes, improving overall composition coherence and smoothing transitions.

Method 3 — Functional Cosmetic Blending
In body lotion or light serum formulations, incorporate at 0.05% to 0.10% after the oil phase has cooled below 40°C. It blends easily into carrier oils and esters, contributing a soft floral background scent and mild UVB absorption without affecting emulsion stability.

BEST PAIRINGS

Benzyl Acetate → Enhances white floral freshness and jasmine character
Hedione → Adds diffusion and magnifies the orchid-floral effect
Linalool → Creates clean, natural lavender-floral harmony
Galaxolide → Extends tenacity and adds musk depth to the composition
Cedarwood Atlas Oil → Grounds the sweetness and adds woody structure to base
Geraniol → Bridges rose and floral facets with a natural green lift
Coumarin → Creates a warm, powdery, tonka-like oriental base
Ambroxan → Amplifies diffusion and gives the blend a skin-like warmth

AVOID
Avoid using at elevated levels alongside strong oxidising materials in finished formulations. In cold process soap, monitor pH-related discoloration — saponification can dull the scent. Avoid combining at high concentrations with other known sensitisers without reviewing cumulative IFRA exposure limits.

I reach for Isoamyl Salicylate whenever a floral composition feels too linear or angular. There is something almost invisible about the way it works — it does not announce itself, but without it, the blend feels thinner and less resolved. In classic chypre construction it acts as the connective tissue between the citrus top and the mossy base, lending that characteristic creamy-green sweetness that makes a chypre feel expensive and coherent. I think of it as the quiet diplomat of aroma chemicals — it rarely leads but always improves whatever surrounds it.

ADVANCED TIP : Try combining Isoamyl Salicylate at 0.6% with Hedione at 1.2% and a trace of methyl linalool at 0.3% to build a transparent, airy orchid accord that does not require expensive naturals. This trio creates a convincing white floral skin note that sits beautifully under both woody and musky bases. Adjust the Hedione-to-Isoamyl Salicylate ratio to shift the accord between a more diffuse jasmine direction (higher Hedione) or a creamy, powdery orchid direction (higher Isoamyl Salicylate).

Physical State : Clear to pale yellow liquid at room temperature
Skin Safety : Known skin sensitizer — observe IFRA limits strictly · Perform patch test before use in leave-on products · Avoid undiluted skin contact
Eye Contact : Irritant — avoid contact · Rinse immediately with clean water for 15 minutes if contact occurs · Seek medical advice if irritation persists
Ingestion : Not for internal use · Keep away from food, beverages, and children · Seek medical attention if accidentally ingested
Ventilation : Work in a well-ventilated area · Avoid prolonged inhalation of concentrated vapour · Use in open or ventilated workspace
Storage : Store in a cool, dark place away from heat and direct sunlight · Ideal storage temperature 15°C – 25°C · Keep container tightly closed when not in use
Shelf Life : 24 to 36 months from manufacture date when stored correctly · Check for discoloration or off-notes before use
Container : Store in original dark glass or HDPE container · Avoid PET plastic for long-term storage
Flammability : Flash point approximately 127°C — not classified as flammable under standard conditions · Keep away from open flames and high heat sources

Q: What does Isoamyl Salicylate smell like?
A: It has a sweet, creamy, orchid-floral scent with a soft green and slightly balsamic undertone. It is smooth and rounded rather than sharp or intense.

Q: Can I use Isoamyl Salicylate in soap making?
A: Yes, but at low usage rates of 0.3% to 0.5% in cold process soap. High pH can reduce scent intensity so anchor it with fixatives. Monitor for any discoloration in light-coloured soap bases.

Q: Is Isoamyl Salicylate safe for skin?
A: It is a classified skin sensitizer and must be used within IFRA 51st Amendment limits. For leave-on products such as body lotion, the limit is 0.13%. Always dilute properly and do not apply undiluted to skin.

Q: What is the difference between Isoamyl Salicylate and Benzyl Salicylate?
A: Both are salicylate esters used as fixatives and UV absorbers in fragrance. Benzyl Salicylate is heavier, more balsamic, and longer-lasting. Isoamyl Salicylate is lighter, sweeter, and more floral with better diffusion. They are complementary and can be used together in oriental and floral bases.

Q: Is Isoamyl Salicylate natural or synthetic?
A: It is synthetic. Trace amounts occur naturally in some plants but the commercial material is produced via chemical synthesis. It is vegan, not animal-derived, and widely accepted in professional and artisan perfumery.

Professional formulation workflow

Isoamyl Salicylate should be evaluated in a controlled small batch before production. Confirm the supplied grade, active concentration and recommended application range from the current supplier documentation. Weigh accurately instead of measuring by drops, record every adjustment, and compare the modified trial against an unchanged control.

Compatibility and quality checks

Test the ingredient in the actual alcohol, oil, surfactant, emulsion or wax base intended for sale. Observe clarity, separation, color, odor and performance immediately after mixing and again after a suitable resting period. A material that looks stable in a concentrate can behave differently in the finished formulation.

Scale-up and safety

Convert percentages into exact batch weights and verify the final consumer-product concentration before scaling. Follow the latest applicable IFRA, cosmetic, chemical and supplier safety documentation for the intended category. Use appropriate protective equipment, ventilation and clearly labeled containers, and retain a sample from every approved batch for quality comparison.