Coumarin

Description

Description:

Base Note

Sweet, herbaceous, warm, somewhat spicy, in dilution – hay like.

Other names : Chromen-2-one ; Benzo-alpha-pyrone ; 2-oxo-1,2-benzopyran ; 1-benzopyran-2-one ; 1,2-benzopyrone ; Chromenone ; Coumarinic acid lactone ; Coumarinic anhydride ; Cumarin ; Ortho-hydroxycinnamic acid delta-lactone ; Ortho-hydroxycinnamic acid lactone ; 3-(2-hydroxyphenyl)-2-propenoic lactone ; Tonka bean camphor

Fragrance Family: Gourmand

Odor Description: Sweet, Warm, Spicy

It can be herbal like hay, or sweet and warm like caramelized almonds.

Use level: None

Volatility : Heart

Uses in perfumery : Coumarin is a key element in the composition of oriental and fougere notes. Allows to bring a gourmand and vanillic facet to all types of accords. Good fixator.

Natural availability : Coumarin is present in several plant extracts, including Tonka Bean Absolute, Hay Absolute or sweet woodruff, of which it is the major constituent and from which it can be extracted in its natural state.

Chemical Properties

Molecular formula : C9H6O2

Molecular Weight : 146,14 g/mol

Density : 1,247

Flash Point : 162°C

Fusion Point : 71°C

Appearance : White solid

Log P : Donnée indisponible,

Boiling Point : 297°C

Detection Threshold : Entre 34 et 50 ppb (0,000005%) selon les personnes et son seuil de reconnaissance est de l’ordre de 250 ppb

IFRA : This ingredient is restricted by IFRA

50th Amendement    

Restriction type : RESTRICTION

Cause of restriction : DERMAL SENSITIZATION AND SYSTEMIC TOXICITY

Amendment : 49

Quantitative limit on the use :

Cat.1    – 0.089%

Cat.2   – 0.08 %

Cat.3   – .089%

Cat.4   – 1.5%

Cat.5A – 0.38%

Cat.5B – .11%

Cat.5C – .16%

Cat.5D – .035%

Cat.6   – .0024%

Cat.7A – .18%

Cat.7B – .18%

Cat.8   – .035%

Cat.9   – .52%

Cat.10A – .52%

Cat.10B – 1.6%

Cat.11A  – .035%

Cat.11B  – .035%

Cat. 12  – 33%

CAS # 91-64-5

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Application Suitability:

Good performance in:

• Alcoholic Perfume
• Creams and Lotions
• Lipsticks
• Cold Wave
• Acid Cleaner
• Detergent Powder
• Liquid Detergent
• Candles
• Pot Pourri
• Incense

Major problems in:

• Anti-perspirants/Deo
• Talcum Powder
• Tablet Soap
• Liquid Soap
• Shampoo
• Hair Conditioner.
• Bath/Shower Gel
• Ammonia
• Chlorine
• Fabric Softener