SoleChem

Geranial

CAS
141-27-5
EC
205-476-5
Mol. Weight
152.23 g/mol

Description

Geranial (CAS 141-27-5), also known commercially as trans-citral or lemonal, is the trans-isomer of citral and the primary contributor to the intense lemon character found in citral mixtures.

It functions as a key aroma chemical and flavoring agent, and serves as a synthetic precursor in the production of vitamins, ionones, and other fragrance compounds.

In flavor formulations, geranial delivers a sharp, fresh citrus note used in beverages, confectionery, and citrus-type flavor blends where high-impact lemon character is required.

Fragrance manufacturers use it as a building block for ionones and pseudoionones, which underpin violet and woody fragrance families across fine perfumery and functional products.

In personal care, it contributes to citrus-forward scent profiles in soaps, shampoos, and lotions. The pharmaceutical and nutraceutical industries source it as an intermediate.

It is used specifically in the synthesis of Vitamin A and beta-carotene. Geranial is supplied as a pale yellow liquid, typically as part of citral mixtures or in isolated isomer form.

Standard commercial grades include technical and fragrance-grade specifications, with high-purity isolates available for pharmaceutical synthesis applications.

Packaging ranges from small drums to bulk quantities suited to industrial fragrance and synthesis operations, ensuring stability and quality for diverse manufacturing needs.

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Physical Properties

Boiling Point 92-93 °C @ Press: 2.6 Torr
Density 0.8888 g/cm³ @ Temp: 20 °C
Color Colourless to Light Yellow
Odor at 100.00 %. citrus lemon
Form Oil
Vapor Pressure 4.5-105Pa at 20-56.87℃
Refractive Index nD20 1.4898
Log P 2.76-3.445 at 25℃

Safety & Handling (Learn More)

Warning GHS07 GHS08
Hazard Statements
H315 Causes skin irritation [Warning Skin corrosion/irritation]
H317 May cause an allergic skin reaction [Warning Sensitization, Skin]
H227 Combustible liquid [Warning Flammable liquids]
H361 Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]

Documentation

Other Names

trans-citral|trans-3,7-Dimethyl-2,6-octadienal|lemonal|Geranal|Genanial|Citral-A|beta-Geranial|alpha-Citral

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