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307963

Sigma-Aldrich

2,6-Dimethyl-5-heptenal

technical grade, 80%

Synonym(s):

Melonal

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25 G
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25 G
¥10,200

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

¥10,200

Available to ship onApril 10, 2025Details

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grade

technical grade

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

functional group

aldehyde

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[1].

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

307963-25G:
307963-VAR:
307963-BULK:
307963-100G:

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR0994
SHBN4354
SHBM8263
MKBT5117V
MKBP3527V

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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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