Isopropyl Quinoline

CAS: 135-79-5

BaseGreen
Identifiers
Manufacturer
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CAS number
135-79-5
CAS (all sources)
135-79-5
CAS (Perfumiarz)
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CAS (PerfumersWorld)
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CAS (FraterWork)
135-79-5
CAS (EU Hekserij)
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CAS (TSCA Hekserij)
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INCI name (FraterWork)
ISOPROPYL QUINOLINE
IUPAC name (FraterWork)
6-propan-2-ylquinoline
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)
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Synonyms (FraterWork)
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Scent profile
Note type (FraterWork)
Base Note
Odour family (FraterWork)
Green
Odour profile (FraterWork)
Isopropyl quinoline presents a potent weedy green character with sharp metallic edges, accompanied by earthy bark-like nuances and subtle nutty undertones that create a distinctly austere vegetal impression.
Longevity (FraterWork)
Lasts > 320 hours on a smelling strip.
Appearance (FraterWork)
Pale yellow liquid
Descriptions
Comment (FraterWork)
This is isobutyl quinoline on steroids. At trace levels, Isopropyl Quinoline imparts a complex, character-defining signature—metallic, earthy, green-leathery—that endures across every stage of evaporation. Its strength lies not only in tenacity and throw, but in the sheer intensity of its profile. It’s especially valuable in masculine, chypre, and leather compositions, where a touch of sharp verdancy or animalic smoke is needed to lift or ground the structure. Used carefully, it can anchor a base or spark interest in a heart that might otherwise feel flat. We sell it at 10% in DPG because of its strength but we recommend evaluating it at 1% or less to explore the full range. In concentrate, 0.2–2% (in dilution) is usually sufficient—more than that and it can—and will—dominate. Expect high odour strength and excellent stability across most product formats. It blends beautifully with vetiver [https://fraterworks.com/collections/vetiver-collection] (especially Haitian or Java mossy types), dry chypre bases, Mousse de Saxe [https://fraterworks.com/products/saxon-moss], and tobacco accords like Jean Carles' masterful Fleur de Tabac [https://fraterworks.com/products/fleur-de-tabac]. Try it with Isobutyl Quinoline [https://fraterworks.com/products/isobutyl-quinoline] for a more dimensional leather, or to build a dark quinoline signature with bite. aromachem Missing_EU/Specs MISSING_HS_CODE_ORIGIN missing_IFRA51 missing_info no_reg power
Notes
This is isobutyl quinoline on steroids. At trace levels, Isopropyl Quinoline imparts a complex, character-defining signature—metallic, earthy, green-leathery—that endures across every stage of evaporation. Its strength lies not only in tenacity and throw, but in the sheer intensity of its profile. It’s especially valuable in masculine, chypre, and leather compositions, where a touch of sharp verdancy or animalic smoke is needed to lift or ground the structure. Used carefully, it can anchor a base or spark interest in a heart that might otherwise feel flat. We sell it at 10% in DPG because of its strength but we recommend evaluating it at 1% or less to explore the full range. In concentrate, 0.2–2% (in dilution) is usually sufficient—more than that and it can—and will—dominate. Expect high odour strength and excellent stability across most product formats. It blends beautifully with vetiver [https://fraterworks.com/collections/vetiver-collection] (especially Haitian or Java mossy types), dry chypre bases, Mousse de Saxe [https://fraterworks.com/products/saxon-moss], and tobacco accords like Jean Carles' masterful Fleur de Tabac [https://fraterworks.com/products/fleur-de-tabac]. Try it with Isobutyl Quinoline [https://fraterworks.com/products/isobutyl-quinoline] for a more dimensional leather, or to build a dark quinoline signature with bite. aromachem Missing_EU/Specs MISSING_HS_CODE_ORIGIN missing_IFRA51 missing_info no_reg power
Usage
Uses (FraterWork)
High-impact green modifier for masculine chypres, leather accords, tobacco blends, and modern vetiver compositions.
IFRA 51 (FraterWork)
No restriction for category 4 Odour Family: Green Appearance: Pale yellow liquid Longevity: Lasts > 320 hours on a smelling strip. Odour Profile: Isopropyl quinoline presents a potent weedy green character with sharp metallic edges, accompanied by earthy bark-like nuances and subtle nutty undertones that create a distinctly austere vegetal impression. Uses: High-impact green modifier for masculine chypres, leather accords, tobacco blends, and modern vetiver compositions. INCI Name: ISOPROPYL QUINOLINE IUPAC Name: 6-propan-2-ylquinoline

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