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6,10-Dimethyl-5,9-undecadien-2-one competitive product CAS NO.689-67-8

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  • ProName: 6,10-Dimethyl-5,9-undecadien-2-one co...
  • CasNo: 689-67-8
  • Molecular Formula: C13H22O
  • Appearance: according to email quotation
  • Application: pharmaceutical raw materials
  • DeliveryTime: Within 3 days after payment
  • PackAge: foil aluminium bag/vacuum packing
  • Port: Shanghai
  • ProductionCapacity: 100 Kilogram/Week
  • Purity: 99%
  • Storage: Keep in dry and cool condition
  • Transportation: by air or by sea
  • LimitNum: 1 Kilogram
  • CAS No.: 689-67-8
  • Synonyms: 9-Undecadien-2-one,6,10-dimethyl-5;alp...
  • Formula: C13H22O
  • Molecular Weight: 194.31


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Product Name: 6,10-Dimethyl-5,9-undecadien-2-one
Synonyms: 9-Undecadien-2-one,6,10-dimethyl-5;alpha,beta-Dihydropseudoionone;GERANYL-2-PROPANONE;FEMA 3542;Dihydropseudoionone;TRANS-6,10-DIMETHYL-5,9-UNDECADIEN-2-ONE;CBI-BB ZERO/001230;6,10-DIMETHYLUNDECA-5,9-DIEN-2-ONE
CAS: 689-67-8
MF: C13H22O
MW: 194.31
EINECS: 211-711-2
Product Categories: -;Acyclic Monoterpenes;Biochemistry;Terpenes
Mol File: 689-67-8.mol
6,10-Dimethyl-5,9-undecadien-2-one Structure
6,10-Dimethyl-5,9-undecadien-2-one Chemical Properties
Boiling point 254-258 °C(lit.)
density 0.873 g/mL at 25 °C(lit.)
refractive index n20/D 1.467(lit.)
Fp >230 °F
Water Solubility Not miscible or difficult to mix in water. Soluble in alcohol.
JECFA Number 1122
BRN 1722277
CAS DataBase Reference 689-67-8(CAS DataBase Reference)
NIST Chemistry Reference 5,9-Undecadien-2-one, 6,10-dimethyl-(689-67-8)
EPA Substance Registry System 5,9-Undecadien-2- one, 6,10-dimethyl-(689-67-8)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-37/39-36
WGK Germany 3
RTECS YQ1190000
MSDS Information
Provider Language
SigmaAldrich English
ALFA English
6,10-Dimethyl-5,9-undecadien-2-one Usage And Synthesis
Chemical Properties Geranylacetone occurs in (5Z)-trans as well as in (5E)-trans form and has been identified in fruits and in essential oils. It is a colorless liquid with a fresh, green, slightly penetrating, rose-like odor.
Geranylacetone is an intermediate in the synthesis of other fragrance substances. It is mainly produced from linalool. Another route starts from myrcene, to which methyl acetoacetate is added under rhodium catalysis; geranylacetone is subsequently obtained after saponification and decarboxylation. It is used in perfumery in rose compositions, for example, in soap perfumes.
Chemical Properties 6,10-Dimethyl-5,9-undecadien-2-one has a green and rosy floral odor and fresh-floral, light, but rather penetrating sweet-rosy, slightly green, magnolia-like odor. It blends well in lavender and fruity notes, where it imparts a clean and natural character. It helps to round out floral bouquets
Occurrence Reported found in oil of citronella, yellow passion fruit, peppermint, Scotch spearmint oil, Japanese seafood, scallop, tomato, tomato paste, citrus peel oils, carrots, papaya, melon, Parmesan cheese, milk powder, cognac, tea, starfruit, figs, mango, red sage, nectarines, clams, pork, anise, and hyssop
Preparation By reaction of linalool and ethyl acetoacetate with an alkaline catalyst and subsequent rearrangement and decarboxylation.
Aroma threshold values Detection: 60 ppb to 6.4 ppm
Taste threshold values Taste characteristics at 12 ppm: floral, fruity, fatty, green, pear, apple and banana nuances
Safety Profile A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
6,10-Dimethyl-5,9-undecadien-2-one Preparation Products And Raw materials

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