Geranial

CAS Number
141-27-5
EC Number
205-476-5

What is Geranial?

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.

Where is Geranial used?

  • Flavour formulations: sharp, fresh citrus note in beverages, confectionery and citrus-type blends
  • Fragrance: building block for ionones and pseudoionones underpinning violet and woody families
  • Personal care: citrus-forward scent profiles in soaps, shampoos and lotions
  • Pharmaceutical and nutraceutical industries source it as an intermediate.
  • It is used specifically in the synthesis of Vitamin A and beta-carotene.

Commercial specifications

  • High-purity isolates for pharmaceutical synthesis
  • Packaging from small drums to bulk quantities

Other Names (Synonyms)

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

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What are the physical properties of Geranial?

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℃

How is Geranial classified and handled safely? Learn More

Warning
GHS07· Irritant GHS08· Health Hazard

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]
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