ChemicalBook > CAS DataBase List > 2,6-Dimethyl-5-heptenal

2,6-Dimethyl-5-heptenal

Product Name
2,6-Dimethyl-5-heptenal
CAS No.
106-72-9
Chemical Name
2,6-Dimethyl-5-heptenal
Synonyms
MELONAL;2,6-dimethylhept-5-enal;5-Heptenal, 2,6-dimethyl-;MELONYL;FEMA 2389;Natural Melonal;ELANAL;nsc78450;ai3-33278;melon heptenal
CBNumber
CB3434408
Molecular Formula
C9H16O
Formula Weight
140.22
MOL File
106-72-9.mol
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2,6-Dimethyl-5-heptenal Property

Boiling point:
116-124 °C100 mm Hg(lit.)
Density 
0.879 g/mL at 25 °C
vapor pressure 
2.39hPa at 25℃
FEMA 
2389 | 2,6-DIMETHYL-5-HEPTENAL
refractive index 
n20/D 1.444(lit.)
Flash point:
141 °F
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
form 
Liquid
Specific Gravity
0.879
color 
Light orange to Yellow to Green
Odor
at 1.00 % in dipropylene glycol. fresh ozone melon fresh air sweet clean green
Odor Type
melon
Water Solubility 
Soluble in alcohol, paraffin oil. Insoluble in water.
Sensitive 
Air Sensitive
JECFA Number
349
InChIKey
YGFGZTXGYTUXBA-UHFFFAOYSA-N
LogP
3.4
CAS DataBase Reference
106-72-9(CAS DataBase Reference)
NIST Chemistry Reference
5-Heptenal, 2,6-dimethyl-(106-72-9)
EPA Substance Registry System
5-Heptenal, 2,6-dimethyl- (106-72-9)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36/37/39
RIDADR 
1987
WGK Germany 
2
RTECS 
MJ8797000
Hazard Note 
Irritant
TSCA 
Yes
HazardClass 
3
PackingGroup 
III
HS Code 
29121900
Toxicity
Both the acute oral LD50 value in rats and the acute dermal LD50 value in rabbits exceeded 5 g/kg (Levenstein, 1974).
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H317May cause an allergic skin reaction

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W238920
Product name
2,6-Dimethyl-5-heptenal
Purity
mixture of isomers, natural, FG
Packaging
100g
Price
$214
Updated
2024/03/01
Sigma-Aldrich
Product number
W238920
Product name
2,6-Dimethyl-5-heptenal
Purity
mixture of isomers, natural, FG
Packaging
500g
Price
$818
Updated
2024/03/01
Sigma-Aldrich
Product number
W238920
Product name
2,6-Dimethyl-5-heptenal
Purity
mixture of isomers, natural, FG
Packaging
1kg
Price
$1360
Updated
2024/03/01
Sigma-Aldrich
Product number
W238902
Product name
2,6-Dimethyl-5-heptenal
Purity
may contain a suitable antioxidant
Packaging
sample-k
Price
$54.6
Updated
2024/03/01
Sigma-Aldrich
Product number
W238902
Product name
2,6-Dimethyl-5-heptenal
Purity
stabilized, FCC, FG
Packaging
100g
Price
$73.1
Updated
2024/03/01
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2,6-Dimethyl-5-heptenal Chemical Properties,Usage,Production

Chemical Properties

2,6-Dimethyl-5-hepten-1-al was identified in ginger. It is a yellow liquid with a powerful, green, cucumber-like, and melon odor. It can be prepared by Darzens reaction of 6-methyl-5-hepten-2-one with ethyl chloroacetate. The intermediate glycidate is saponified and decarboxylated to yield the title compound.
It is used in many fragrance types and is invaluable in the creation ofmelon and cucumber notes.

Chemical Properties

2,6-Dimethyl-5-heptenal has a characteristic odor of melon and a corresponding taste.

Occurrence

Reported found in lemon and lime peel oil, sudachi (Citrus sudachi H. ex. Shirai) and ginger.

Uses

It is used or fragrances designed to have a special fruity note tending towards melon, cucumber and pumpkin. It is mainly used perfuming agents.

Preparation

By condensation of isobutyric aldehyde with α-methylcrotonaldehyde, followed by par tial hydrogenation; also from methylheptenone through Darzen's reaction.

Aroma threshold values

Detection: 16 ppb

Taste threshold values

Taste characteristics at 50 ppm: green, melon, watermelon-rind, cucumber, with a waxy, chemical and floral nuance.

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.

Flammability and Explosibility

Not classified

Trade name

Melonal (Givaudan), Melomor (Aromor).

Safety Profile

skin and eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.

2,6-Dimethyl-5-heptenal Preparation Products And Raw materials

Raw materials

Crotonaldehyde Isobutyraldehyde

Preparation Products

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2,6-Dimethyl-5-heptenal Suppliers

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View Lastest Price from 2,6-Dimethyl-5-heptenal manufacturers

Hebei Zhuanglai Chemical Trading Co Ltd
Product
2,6-Dimethyl-5-heptenal 106-72-9
Price
US $60.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20 tons
Release date
2024-11-18
Hebei Weibang Biotechnology Co., Ltd
Product
2,6-Dimethyl-5-heptenal 106-72-9
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
100 mt
Release date
2024-11-05
Hebei Yanxi Chemical Co., Ltd.
Product
MELONAL 6746001 106-72-9
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20tons
Release date
2023-09-06

106-72-9, 2,6-Dimethyl-5-heptenalRelated Search:

Poly(dimethylsiloxane) N,N-Dimethylformamide Dimethyl sulfone N,N-Dimethylacetamide ETHANE Dimethyl ether Dimethyl phthalate Dimethyl sulfate Dimethyl disulfide 2,6-Dimethylphenol Dimethyl sulfoxide N,N-Dimethylaniline 2,6-Lutidine Dimethyl fumarate Dimethyl carbonate Dacthal ABIETIC ACID SODIUM SALT HELVOLIC ACID FROM CEPHALOSPORIUM*CAERULENS

  • Melonal（2,6-Dimethyl-5-Heptenal）
  • ,6-Dimethyl hept-5-en-1-al
  • 2,6-dimethyl-5-heptena
  • 2,6-dimethylhept-
  • 2,6-dimethylhept-5-en-1-al
  • 2,6-dimethylhept-5-enal
  • ai3-33278
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  • Dimethylheptenal
  • Natural Melonal
  • Natural 2,6-dimethyl-5-hepten-1-al
  • 2,6-Dimethyl-5-heptenalstabilized
  • 2,6-Dimethyl-2-hepten-7-al
  • 2,6-DIMETHYLHEPT-5-EN-2-AL
  • 2,6-DIMETHYL-5-HEPTEN-1-AL
  • 2,6-DIMETHYL-5-HEPTENAL
  • FEMA 2389
  • ELANAL
  • MELONAL
  • 2,6-DIMETHYL-5-HEPTENAL, TECH., 80%
  • 2 6-DIMETHYL-5-HEPTENAL FCC
  • dimethylheptenal,2,6-dimethyl-5-heptenal
  • 5-Heptenal, 2,6-dimethyl-
  • MELONAL, NATURAL
  • Prop-2-enyl 2-(3-methylbutoxy)acetate
  • 2,6-Dimethyl-5-heptanal
  • 2,6-Dimethyl-5-heptenal,Melonal
  • 2-Formyl-6-methylhept-5-ene
  • MELONYL
  • 2,6-Dimethyl-5-heptenal &gt
  • 2,6-Dimethyl-5-heptenal USP/EP/BP
  • melon heptenal
  • High Quality Bergamal CAS?106-72-9?2, 6-Dimethyl-5-Heptenal with Competitive Price
  • Dimethyl-5-heptenal
  • MELONAL 6746001
  • 106-72-9
  • CH32CCHCH2CH2CHCH3CHO
  • CH16O
  • Organic Building Blocks
  • C9
  • Carbonyl Compounds
  • Building Blocks
  • ALDEHYDE
  • Aldehydes