Phenyl Ethyl Isobutyrate
CAS: 103-48-0
BaseFloral
Identifiers
Manufacturer
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CAS number
103-48-0
CAS (all sources)
103-48-0
CAS (Perfumiarz)
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CAS (PerfumersWorld)
103-48-0
CAS (FraterWork)
103-48-0
CAS (EU Hekserij)
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CAS (TSCA Hekserij)
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INCI name (FraterWork)
PHENETHYL ISOBUTYRATE
IUPAC name (FraterWork)
2-Phenylethyl 2-methylpropanoate
INCI (Hekserij)
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EC number (Hekserij)
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FEMA (Hekserij)
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UN number
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Synonyms (PerfumersWorld)
Phenethyl isobutyrate : 2-Phenylethyl isobutyrate : 2-Phenylethyl2-methylpropanoate : Phenyl ethyl isobutyrate BASF DesC ELAN GRAU H&R PENT SYNTOY
Synonyms (FraterWork)
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Scent profile
Note type (FraterWork)
Base Note
Odour family (FraterWork)
Floral
Odour profile (FraterWork)
Phenyl Ethyl Isobutyrate presents a warm, honeyed tea rose
character with rich fruity undertones of ripe pear and plum, complemented by
subtle winey-fermented nuances and a waxy, nectar-like sweetness.
Longevity (FraterWork)
Lasts 164 hours on a smelling strip.
Odor life hours (PerfumersWorld)
16
Relative odor impact (PerfumersWorld)
80
Appearance (FraterWork)
Pale yellow liquid
Descriptions
Description
Phenyl Ethyl Isobutyrate is sweet fruity-rose honey floral winey pear muguetrose lilac gardenia sweet-pea magnolia frangipani peony hyacinth honeysuckleplum prune cherry vanilla cheese.
Description (PerfumersWorld)
Phenyl Ethyl Isobutyrate is sweet fruity-rose honey floral winey pear muguetrose lilac gardenia sweet-pea magnolia frangipani peony hyacinth honeysuckleplum prune cherry vanilla cheese.
Comment (FraterWork)
Phenyl ethyl isobutyrate opens with a beautiful rosy-floral character enriched
by honey sweetness. The fruity pear facet adds freshness without becoming
juvenile, while a subtle winey quality provides sophistication. This ester
delivers warmth and roundness that feels natural and approachable—never
synthetic or harsh.
Blend phenyl ethyl isobutyrate with phenethyl alcohol and geraniol to build
complex rose effects. It pairs excellently with ionones, adding warmth to
violet-rose hybrids. Try it alongside honey materials like ethyl phenyl acetate
for gourmand florals, or with balsams where its fruity sweetness creates
unexpected depth.
PHENYL ETHYL VS PHENOXY ETHYL ISOBUTYRATE
[https://fraterworks.com/products/phenoxy-ethyl-isobutyrate]
These two esters share superficial similarities but differ meaningfully in
character. Phenyl ethyl isobutyrate (CAS 103-48-0) emphasises the rosy-floral
aspect with honey warmth and a winey sophistication—it's the more classically
floral choice.
Phenoxy ethyl isobutyrate (CAS 103-60-6) leans greener and more tropical, with
apple and exotic fruit facets that feel fresher and more contemporary. The
phenoxy variant offers slightly longer substantivity at 184 hours and projects
with a brighter, more diffusive quality. Choose phenyl ethyl for traditional
rose and oriental work; reach for phenoxy ethyl when you want green-tropical
lift in modern fruity florals.
aromachem Best Seller
Notes
Phenyl ethyl isobutyrate opens with a beautiful rosy-floral character enriched
by honey sweetness. The fruity pear facet adds freshness without becoming
juvenile, while a subtle winey quality provides sophistication. This ester
delivers warmth and roundness that feels natural and approachable—never
synthetic or harsh.
Blend phenyl ethyl isobutyrate with phenethyl alcohol and geraniol to build
complex rose effects. It pairs excellently with ionones, adding warmth to
violet-rose hybrids. Try it alongside honey materials like ethyl phenyl acetate
for gourmand florals, or with balsams where its fruity sweetness creates
unexpected depth.
PHENYL ETHYL VS PHENOXY ETHYL ISOBUTYRATE
[https://fraterworks.com/products/phenoxy-ethyl-isobutyrate]
These two esters share superficial similarities but differ meaningfully in
character. Phenyl ethyl isobutyrate (CAS 103-48-0) emphasises the rosy-floral
aspect with honey warmth and a winey sophistication—it's the more classically
floral choice.
Phenoxy ethyl isobutyrate (CAS 103-60-6) leans greener and more tropical, with
apple and exotic fruit facets that feel fresher and more contemporary. The
phenoxy variant offers slightly longer substantivity at 184 hours and projects
with a brighter, more diffusive quality. Choose phenyl ethyl for traditional
rose and oriental work; reach for phenoxy ethyl when you want green-tropical
lift in modern fruity florals.
aromachem Best Seller
Usage
Average use (FraterWork)
1.4% in a perfume compound
Uses (FraterWork)
Creates natural rose depth, enriches stone fruits, and adds honeyed
fixation to florals.
IFRA 51 (FraterWork)
No restriction for category 4
Links
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