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2-Nonenal

Aroma Chemical CAS 2463-53-8

A fatty green note with a cucumber and melon character. Waxy and natural, it adds a watery green lift to compositions.

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Odor profile

Descriptor 1 Green
Descriptor 2 Cucumber
Descriptor 3 Oily

Identification

CAS Number2463-53-8
INCI NameNon-2-enal
CategoryAroma Chemical
FormulaC9H16O
Mol. Weight140.22
IUPAC Name(E)-non-2-enal
InChIKeyBSAIUMLZVGUGKX-BQYQJAHWSA-N

Synonyms

heptylidene acetaldehyde, 3-hexyl acrolein, beta-hexyl acrolein, 3-hexyl-2-propenal, 3-hexylacrolein, iris aldehyde, non-2-enal, 2-nonen-1-al, 2-nonenal 1% in ETOH natural, 2-nonenal 1% in triacetin natural, alpha-nonenyl aldehyde

Physical and chemical data

Boiling Point 188.00 °C
Flash Point 83.89 °C
Density 0.85500
Refractive Index 1.45400
Vapor Pressure 0.256000 mmHg @ 25.00 C. (est)
LogP 3.319
Solubility alcohol; water, 204.9 mg/L @ 25 C (est); For experimental / research use only.
Appearance colorless to pale yellow clear liquid

Regulatory status

IFRA maximum concentrations

CategoryUseLimit in the finished product
Category 1 Lip products, toys 0.0046 %
Category 2 Deodorants, antiperspirants 0.0053 %
Category 3 Eye products 0.11 %
Category 4 Fine fragrance 0.099 %
Category 5A Body lotion 0.025 %
Category 5B Face cream 0.025 %
Category 5C Hand cream 0.025 %
Category 5D Baby creams, oils 0.0083 %
Category 6 Oral care, mouthwash 0.058 %
Category 7A Rinse-off hair products 0.20 %
Category 7B Leave-on hair products 0.20 %
Category 8 Intimate and baby wipes 0.0083 %
Category 9 Soap, shampoo, rinse-off 0.19 %
Category 10A Household care, hand contact 0.69 %
Category 10B Aerosol air fresheners 0.69 %
Category 11A Intended skin contact 0.0083 %
Category 11B Minimal skin contact 0.0083 %
Category 12 No skin contact, candles Not restricted
IFRA Amendment52
Restriction TypeRestriction
Critical EffectDermal 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.

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