Fragrance materials
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2-Hexenal
2-Hexenal
Aroma Chemical
CAS 505-57-7
A sweet green note with an almond and apple character and a soft plum facet. Leafy and natural, it adds a fruity green lift to compositions.
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Odor profile
Descriptor 1
Green
Descriptor 2
Aldehydic
Descriptor 3
Floral
Identification
CAS Number 505-57-7 Category Aroma Chemical Formula C6H10O Mol. Weight 98.14 IUPAC Name (E)-hex-2-enal InChIKey MBDOYVRWFFCFHM-SNAWJCMRSA-N
Synonyms
hex-2-en-1-al, hex-2-enal, (Z+E)-2-hexen-1-al, 2-hexen-1-al, hexen-2-en-1-al, alpha,beta-hexylenaldehyde, hexylenic aldehyde, 3-propyl acrolein, beta-propyl acrolein, 3-propyl-acrolein, leaf aldehyde
Physical and chemical data
Boiling Point
146.5 °C
Flash Point
38.33 °C
Density
0.83800
Refractive Index
1.43600
Vapor Pressure
4.624000 mmHg @ 25.00 C. (est)
LogP
1.790
Solubility
alcohol; water, 5261 mg/L @ 25 C (est)
Appearance
colorless to pale yellow clear liquid
Regulatory status
IFRA maximum concentrations
Category Use Limit in the finished product
Category 1
Lip products, toys
0.0014 %
Category 2
Deodorants, antiperspirants
0.00041 %
Category 3
Eye products
0.0083 %
Category 4
Fine fragrance
0.0077 %
Category 5A
Body lotion
0.0020 %
Category 5B
Face cream
0.0020 %
Category 5C
Hand cream
0.0020 %
Category 5D
Baby creams, oils
0.00067 %
Category 6
Oral care, mouthwash
0.0045 %
Category 7A
Rinse-off hair products
0.016 %
Category 7B
Leave-on hair products
0.016 %
Category 8
Intimate and baby wipes
0.00067 %
Category 9
Soap, shampoo, rinse-off
0.015 %
Category 10A
Household care, hand contact
0.054 %
Category 10B
Aerosol air fresheners
0.054 %
Category 11A
Intended skin contact
0.00067 %
Category 11B
Minimal skin contact
0.00067 %
Category 12
No skin contact, candles
Not restricted
IFRA Amendment 51 Restriction Type Restriction Critical Effect Dermal Sensitization And Systemic Toxicity
All figures on this page are guide values collected from public
reference works and supplier declarations. They differ between batches, origins and qualities.
The data sheet of your own supplier is always the authoritative document for the material you
actually use.