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307963

Sigma-Aldrich

2,6-Dimethyl-5-heptenal

technical grade, 80%

Synonym(s):

Melonal

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About This Item

Linear Formula:
(CH3)2C=CHCH2CH2CH(CH3)CHO
CAS Number:
106-72-9
Molecular Weight:
140.22
EC Number:
203-427-2
MDL number:
MFCD00006981
UNSPSC Code:
12352100
PubChem Substance ID:
24858640
NACRES:
NA.22

grade

technical grade

Quality Level

100

Assay

80%

form

liquid

refractive index

n20/D 1.444 (lit.)

bp

116-124 °C/100 mmHg (lit.)

density

0.879 g/mL at 25 °C

SMILES string

CC(CC\C=C(\C)C)C=O

InChI

1S/C9H16O/c1-8(2)5-4-6-9(3)7-10/h5,7,9H,4,6H2,1-3H3

InChI key

YGFGZTXGYTUXBA-UHFFFAOYSA-N

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General description

2,6-Dimethyl-5-heptenal (melonal) and 5-heptenal undergo concerted ene reaction to form zwitterion that further reacts to give ene product.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H317

Hazard Classifications

Skin Sens. 1B

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

143.6 °F

Flash Point(C)

62 °C

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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Alkylaluminum halide induced cyclization of unsaturated carbonyl compounds.
Snider BB, et al.
The Journal of Organic Chemistry, 47(23), 4538-4545 (1982)
I F Gaunt et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 21(5), 543-549 (1983-10-01)
Groups of 15 male and 15 female rats were fed for at least 90 days on diets that provided 2,6-dimethylhept-5-en-1-al (DMH) at average intakes of 0 (control), 9, 37 and 150 mg/kg body weight/day. Steps were taken to limit loss
Natali Amar-Zrihen et al.
Journal of agricultural and food chemistry, 59(10), 5554-5564 (2011-04-19)
Four lipophilic food volatile molecules of different chemical characteristics, phenylacetaldehyde, 2,6-dimethyl-5-heptenal, linalool, and trans-4-decenal, were solubilized into binary mixtures of monoolein/water, facilitating the formation of reverse hexagonal (H(II)) mesophases at room temperature without the need of solvents or triglycerides. Some

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