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Sigma-Aldrich

Phenylacetaldehyde

≥90%

Synonym(s):

α-Tolyaldehyde

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About This Item

Linear Formula:
C6H5CH2CHO
CAS Number:
122-78-1
Molecular Weight:
120.15
Beilstein:
385791
EC Number:
204-574-5
MDL number:
MFCD00006993
UNSPSC Code:
12352100
eCl@ss:
39023706
PubChem Substance ID:
24846766
NACRES:
NA.22

Assay

≥90%

refractive index

n20/D 1.535 (lit.)

bp

195 °C

mp

−10 °C (lit.)

solubility

H2O: slightly soluble
alcohol: soluble
diethyl ether: soluble

density

1.027 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

O=CCc1ccccc1

InChI

1S/C8H8O/c9-7-6-8-4-2-1-3-5-8/h1-5,7H,6H2

InChI key

DTUQWGWMVIHBKE-UHFFFAOYSA-N

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Application

Phenylacetaldehyde was used in a study to analyse the role of plant derived volatile chemicals on foraging of 1st instar Helicoverpa armigera.

Biochem/physiol Actions

Phenylacetaldehyde is an insect attractant and can be used in blacklight trap for pests. It is constituent of floral scent. It is an intermediate in a variety of biochemical pathways.

Other Notes

Contains varying amounts of poly(styrene oxide)

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H314,H317,H412

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1A

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

154.4 °F - (External MSDS)

Flash Point(C)

68 °C - (External MSDS)

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The role of two plant-derived volatiles in the foraging movement of 1st instar Helicoverpa armigera (Hubner): time to stop and smell the flowers.
Perkins LE, et al.
Arthropod-Plant Interactions, 3(3), 173-179 (2009)
Yasuhisa Kaminaga et al.
The Journal of biological chemistry, 281(33), 23357-23366 (2006-06-13)
We have isolated and characterized Petunia hybrida cv. Mitchell phenylacetaldehyde synthase (PAAS), which catalyzes the formation of phenylacetaldehyde, a constituent of floral scent. PAAS is a cytosolic homotetrameric enzyme that belongs to group II pyridoxal 5'-phosphate-dependent amino-acid decarboxylases and shares
Phenylacetaldehyde attracts moths to bladder flower and to blacklight traps.
Cantelo WW and Jacobson M.
Environmental Entomology, 8(3), 444-447 (1979)
S J Sumner et al.
Critical reviews in toxicology, 24 Suppl, S11-S33 (1994-01-01)
Styrene and styrene oxide have been implicated as reproductive toxicants, neurotoxicants, or carcinogens in vivo or in vitro. The use of these chemicals in the manufacture of plastics and polymers and in the boat-building industry has raised concerns related to
Fong Lam Chu et al.
Journal of agricultural and food chemistry, 56(22), 10697-10704 (2008-10-29)
Benzaldehyde, a potent aroma chemical of bitter almond, can also be formed thermally from phenylalanine and may contribute to the formation of off-aroma. To identify the precursors involved in its generation during Maillard reaction, various model systems containing phenylalanine, phenylpyruvic
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