SoleChem

alpha-ionone

CAS
127-41-3
EC
204-841-6
Mol. Weight
192.30 g/mol

Description

Alpha-ionone (CAS 127-41-3), also known by its FEMA 2594 designation, is a synthetic aroma chemical prized for its violet, woody, and orris-like scent profile. It is used across fragrance and flavor manufacturing as a key building block for fine perfumery and food flavoring systems.

In fine fragrance and personal care formulations, alpha-ionone contributes a soft violet and floral character to perfumes, body lotions, and hair care products. It blends effectively with rose, iris, and musky bases to create sophisticated olfactory profiles.

Food and beverage manufacturers use it as a FEMA-approved flavoring agent to impart berry, raspberry, and woody nuances in confectionery, baked goods, and beverages. It is a versatile component for creating realistic fruit profiles in various applications.

In functional flavor systems, it supports the construction of complex top and heart notes where natural orris or violet extracts would be cost-prohibitive. This makes it an essential tool for flavorists seeking high-quality results at a competitive price point.

Printing and packaging applications leverage its scent stability in scented inks and encapsulated fragrance coatings for consumer packaging. This ensures a long-lasting sensory experience for the end consumer throughout the product's shelf life.

Alpha-ionone is supplied as a clear to pale yellow liquid. It is available in flavor-grade and fragrance-grade specifications, with FEMA 2594 status confirming its suitability for food and beverage use across global markets.

Standard packaging ranges from small drums to bulk quantities depending on application volume requirements. Our supply chain ensures that the product meets rigorous quality standards for consistency and purity in every batch delivered.

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Physical Properties

Melting Point <25 °C
Boiling Point 124-126 °C @ Press: 10 Torr
Density 0.92 g/cm³ @ Temp: 30 °C
Flash Point 230 °F
Appearance clear yellow liquid
Color Clear Colourless
Odor at 10.00 % in dipropylene glycol. sweet woody floral violet orris tropical fruity
Form Oil
Water Solubility insoluble
Vapor Pressure 0.133Pa
Refractive Index n 20/D 1.498(lit.)
Log P 3.85 at 37℃

Safety & Handling (Learn More)

Warning GHS07 GHS08
Hazard Statements
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary Statements
P233 Keep container tightly closed.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P272 Contaminated work clothing should not be allowed out of the workplace.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 In case of inadequate ventilation wear respiratory protection.
P321 Specific treatment (see … on this label).
P403 Store in a well-ventilated place.
P501 Dispose of contents/container in accordance with local regulations.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P332+P317 Get emergency medical help.
P333+P317 Get emergency medical help.
P342+P316 Get emergency medical help immediately.
P362+P364 Take off contaminated clothing and wash it before reuse.

Trade & Regulatory

HS Code 29142300
WGK (Germany) 2

Documentation

Other Names

alpha-(E)-ionone|(E)-alpha-Ionone|(E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one|(3E)-4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-on|trans-alpha-Ionone|alpha-cyclocitrylideneacetone|alpha-Ionon|(3E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one

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