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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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
Preparation Products
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View Lastest Price from 2,6-Dimethyl-5-heptenal manufacturers
Ouhuang Engineering Materials (Hubei) Co., Ltd
- Product
- Melonal 106-72-9
- Price
- US $10.00/kg
- Min. Order
- 1kg
- Purity
- 99.6%
- Supply Ability
- 100000
- Release date
- 2024-04-24
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
Hebei Guanlang Biotechnology Co,.LTD
- Product
- 2,6-Dimethyl-5-heptenal 106-72-9
- Price
- US $100.00-50.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10000kg
- Release date
- 2023-07-25
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