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2-phenyl-2-pentenal

Chemical Structure

General Material Information

Preferred name 2-phenyl-2-pentenal
Trivial Name α-Propylidenebenzeneacetaldehyde
Short Description benzeneacetaldehyde, a-propylidene-
Formula C11 H12 O
CAS Number 3491-63-2
Flavis Number 5.175
FDA UNII Search
MDL MFCD00051835
xLogP3-AA 2.60 (est)
NMR Predictor External link
Synonyms
  • benzeneacetaldehyde, a-propylidene-
  • 2-phenyl pent-2-enal
  • 2-phenyl-2-penten-1-al
  • 2-phenylpent-2-enal
  • alpha- propylidene benzene acetaldehyde
  • 2-phenylpent-2-enal
  • Benzeneacetaldehyde, α-propylidene-
  • 2-Pentenal, 2-phenyl-
  • α-Propylidenebenzeneacetaldehyde
  • α-Propylidene-α-tolualdehyde

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2912.19.0000
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 160.21583557129
Specific gravity @ 25 °C
Pounds per Gallon 8.363 to 8.446
Refractive Index 1.545 to 1.553 @ 20 °C
Boiling Point 124 to 126°C @ 14 mm Hg
Vapor Pressure 0.003 mmHg @ 25 °C
Flash Point TCC Value 100 °C TCC
logP (o/w) 3.207 est
Solubility
alcohol Yes
water, 248.3 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Floral
floral, hyacinth, green, narcissus, foliage, radish, honey, sweet pea
Odor strength medium
Substantivity > 114 hour(s) at 100.00 %
Luebke, William tgsc, (2009) At 100.00 %. floral hyacinth green narcissus foliage radish honey sweet pea
Flavor Type: Green
green, floral, chrysanthemum, spicy, radish, hyacinth, foliage, honey
Luebke, William tgsc, (2009) Green floral chrysanthemum spicy radish hyacinth foliage honey

Occurrences

Safety Information

Safety information

Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for 2-phenyl-2-pentenal usage levels up to:
4.0000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.011 (μg/capita/day)
Structure Class: II

Safety references

European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

Flavouring Group Evaluation 216: alpha,beta-Unsaturated aldehydes from chemical subgroup 3.3 of FGE.19: 2-Phenyl-2-alkenals[1]
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 216, Revision 1 (FGE.216Rev1). Consideration of genotoxic potential for a,ß-unsaturated 2-Phenyl -2-Alkenals from Subgroup 3.3 of FGE.19
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :3083805
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
2-phenylpent-2-enal
Chemidplus:0003491632