2-PHENYL-2-BUTENAL Chemical Properties

Boiling point:

177 °C15 mm Hg(lit.)

Density 

1.034 g/mL at 25 °C(lit.)

FEMA 

3224 | 2-PHENYL-2-BUTENAL

refractive index 

n20/D 1.561(lit.)

Flash point:

222 °F

Specific Gravity

1.03

Odor

at 100.00 %. sweet narcissus cortex beany honey cocoa nutty radish

Odor Type

musty

Water Solubility 

Soluble in oil and ethanol. Insoluble in water.

Sensitive 

Air Sensitive

JECFA Number

1474

LogP

2.319 (est)

CAS DataBase Reference

4411-89-6(CAS DataBase Reference)

EPA Substance Registry System

Benzeneacetaldehyde, .alpha.-ethylidene- (4411-89-6)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

3

TSCA 

Yes

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

2-PHENYL-2-BUTENAL Usage And Synthesis

Chemical Properties

2-Phenyl-2-butenal has a green, floral, woody aroma

Occurrence

Reported as the odorous component in black tea and Phallus impudicus. Also reported found in cocoa, roasted hazelnut, asparagus, coffee, cocoa, microbial fermented tea, roasted filbert, American potato chips, soybean, rice bran, malt, katsuobishi (dried bonito), okra, roasted macadamia nut and roasted sesame seeds.

Uses

2-Phenyl-2-butenal can be used to compare acrylamide and furan concentrations, antioxidant activities, and volatility profiles in cold or hot coffees.

Definition

ChEBI: 2-Phenyl-2-butenal is an olefinic compound.

Preparation

From acetaldehyde and phenyl acetaldehyde.

Taste threshold values

Taste characteristics at 10 ppm: green, vegetative, floral, cocoa and nutty.

2-PHENYL-2-BUTENAL(4411-89-6)Related Product Information

• Tetraphenylcyclopentadienone
• 2,3-DIPHENYLMALEIC ANHYDRIDE
• alpha-Phenylcinnamic acid
• 2-PHENYL-2-BUTENAL
• 2,3-DIPHENYL-1-INDENONE
• 2-PHENYL-2-PENTENAL
• DIPHENYLCYCLOPROPENONE
• Cocal
• 2-Butene
• Crotonaldehyde
• Phenylacetaldehyde
• RHIZOCARPIC ACID
• OTAVA-BB BB7020252434
• 6-BROMO-4-METHYL-1-PHENYLANTHRAPYRIDONE
• 4-CHLORO-(ALPHA-PHENYL)-CINNAMIC ACID
• 3,4-DIHYDRO-1,2-NAPHTHALENEDICARBOXYLIC ANHYDRIDE
• 2-CARBETHOXY-5,7-DIHYDROXY-4'-METHOXYISOFLAVONE
• DIMESITYLCYCLOPROPENONE