Phenyl Acetaldehyde Dimethyl Acetal PADMA Aroma Chemical
CAS# 101-48-4
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Phenyl Acetaldehyde Dimethyl Acetal (PADMA), CAS# 101-48-4, is a fragrance ingredient with a characteristic white-floral profile, strongly reminiscent of hyacinth, orange blossom, and fresh rose. Its odour is sweet with a honeyed nuance, yet also green and dewy, carrying a soft powdery touch and gentle fruity undertones that create a vivid and natural floral impression.
At low dosages, PADMA “wakes up” white-flower accords, enhancing the fresh, glossy, and full-petaled facets of florals. It is particularly effective in hyacinth, lilac, muguet, orange blossom, rose, narcissus and similar structures. At higher dosages, PADMA adds diffusion and brightness, laying a smooth green–floral veil over the whole composition and making the floral note clearer, more modern, and less muted by heavier components.
In applications, PADMA is suitable for fine fragrances as well as personal care and home care products such as shower gels, shampoos, lotions, bar soaps, liquid detergents, fabric softeners, hard-surface cleaners, and air fresheners. Thanks to its acetal structure, it is more stable than the free aldehyde form, offering better resistance to heat and alkali and improved performance in detergent bases. This helps preserve the fresh, clean green-floral character on skin and fabric after use.
In formula creation, PADMA is a key modifier for floral–green, floral–aldehydic, and floral–fruity themes. It supports and brightens the top notes while linking smoothly into the heart and base. When combined with ionones, damascones, salicylates, and muguet or lily bases, PADMA contributes to rich, contemporary white-flower bouquets that feel natural yet refined, suitable for styles ranging from sheer and clean to feminine and romantic.
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Technical standards
Technical standards

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CAS NO.
101-48-4
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OLFACTIVE FAMILY
Green
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BRAND
Scent.vn
Olfactory Pyramid
Notes
| Green |
| Floral |
| Rose |
| Hyacinth |
| Earthy |
| Maximum acceptable concentrations in the finished product (%) | |||
|---|---|---|---|
|
Category 1
Products applied to the lips
|
No restriction |
Category 7A
Rinse-off products applied to the hair with some hand contact
|
No restriction |
|
Category 2
Products applied to the axillae
|
No restriction |
Category 7B
Leave-on products applied to the hair with some hand contact
|
No restriction |
|
Category 3
Products applied to the face/body using fingertips
|
No restriction |
Category 8
Products with significant anogenital exposure
|
No restriction |
|
Category 4
Products related to fine fragrance
|
No restriction |
Category 9
Products with body and hand exposure, primarily rinse off
|
No restriction |
|
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
|
No restriction |
Category 10A
Household care products with mostly hand contact
|
No restriction |
|
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
|
No restriction |
Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
|
No restriction |
|
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
|
No restriction |
Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
|
No restriction |
|
Category 5D
Baby Creams, baby Oils and baby talc
|
No restriction |
Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
|
No restriction |
|
Category 6
Products with oral and lip exposure
|
No restriction |
Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
|
No restriction |
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Certificates of Quality
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Certificate of Analysis (COA)
Provides information on the physical and chemical properties of the product.Download -
IFRA Certificate of Conformity
Sets safety standards and guidelines for the product in manufacturing.Download -
Safety Data Sheet (SDS)
Provides important safety guidelines for transporting, storing, and using the product.Download