Rated 5.00 out of 5 based on 5 customer ratings
(5 customer reviews)


CAS No. 1205-17-0

Odour (decreasing): Fresh, watery, green, floral-cyclamen, ozone, hay, new-mown-hay. Diffusive

Solvent: -none added

Manufacturer: IFF

Main Synonyms: alpha-Methyl-1,3-benzodioxole-5-propanal, ocean propanal, MMDHCA

See below for more description and documentation



Description and usage notes:

Extremely useful, aquatic brightening agent that can be used in a wide variety of fragrance forms, a lovely ingredient with a wonderfully fresh, watery quality.

Description from IFF: “Green, floral (cyclamen) with top notes of ozone and new mown hay.”

Easier to use and dose than most of the green notes available to perfumers, it lasts for a couple of days on a smelling strip so contributes from the top to the base of a fragrance.

Arcadi Boix Camps writes about Helional first in 1978: “A product with a fresh melon fruity odor, it is endowed with a  great fixing power.  It is a product that has decisive influence in perfumes such as Diorella and Dior Dior where, together with Hedione and other compounds the perfumer happily obtains an exceptional naturalness.   Its blends with cis-jasmone, dihydrojasmone and the alcohols C-9, C-10 and C-11 are very important. It is another product that is strongly influencing the evolution of perfumery in the present day”

In 1985 he talks about a group of materials he calls ‘melon fuitals’: “… which includes products as extraordinary as … cis-6-nonenolMelonalFloralozone, Helional and the extraordinary Calone”  and adds “I wish to insist that Helional and Calone, already described, are products of infinite quality, whose creative possibility are likewise infinite.” 


Safety Data Sheet

IFRA Certificate

5 reviews for Helional

  1. Rated 5 out of 5

    sku (verified owner)

    Smells like watermelon to me.

  2. Rated 5 out of 5

    cristoforimaurizio (verified owner)

    If smells Helional think … but what is this? But it is a molecule do everything, opens all blends, is a fixative, rounds the composition, and along with Methyl Anthranilate and Methyl Salicylate creates the suggestion of a beautiful Tuberose … a few pounds for great results.

  3. Rated 5 out of 5

    S.L (verified owner)

    Super fast delivery
    nice packaging
    The product smells good and only a little is enough to maintain a steady odour

  4. Rated 5 out of 5

    Thibaut (verified owner)

    Awesome smell- a subtle, watery scent that I imagine would round out a perfume or accord – especially florals. Kinda like a “background” effect- which is super important if you found your heart. It would smell like watermelon if it were only sweeter- a facet for me, which I value. Useful and affordable.

  5. Rated 5 out of 5

    thefragrantmind (verified owner)

    Lovely and light green water, almost unnoticeable and transparent but is definitely there…A bit like hearing music without seeing the musician…Another must!

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