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357650-26-1

(2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one is a complex organic chemical compound belonging to the monoterpene ketones family. It possesses a double bond stereochemistry and is characterized by the presence of various functional groups, including alkene (carbon-carbon double bond), ketone (carbon-oxygen double bond with the carbon attached to two other carbons), and methyl groups (carbon atom bonded to three hydrogen atoms). (2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one typically consists of eight carbon atoms along with multiple bonds and hydrogen atoms. It is commonly found in essential oils and fragrant substances.

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  • 357650-26-1 Structure

  • Basic information

    1. Product Name: (2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one
    2. Synonyms: (2E,5Z)-5,6,7-Trimethylocta-2,5-dien-4-one; 2,5-octadien-4-one, 5,6,7-trimethyl-, (2E,5Z)-
    3. CAS NO:357650-26-1
    4. Molecular Formula: C11H18O
    5. Molecular Weight: 166.26
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 357650-26-1.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 236.15°C at 760 mmHg
    3. Flash Point: 89.352°C
    4. Appearance: N/A
    5. Density: 0.855g/cm3
    6. Vapor Pressure: 0.048mmHg at 25°C
    7. Refractive Index: 1.455
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: (2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one(CAS DataBase Reference)
    11. NIST Chemistry Reference: (2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one(357650-26-1)
    12. EPA Substance Registry System: (2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one(357650-26-1)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 357650-26-1(Hazardous Substances Data)

357650-26-1 Usage

Uses

Used in Fragrance Industry:
(2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one is used as a fragrance ingredient for its aromatic properties. It contributes to the complex scent profiles of various perfumes and scented products due to its presence in essential oils.
Used in Essential Oils:
(2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one is used as a component in essential oils for its characteristic scent and potential therapeutic properties. It may be utilized in aromatherapy and other applications where the natural fragrance of essential oils is desired.
Although specific applications or uses for (2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one are not extensively documented, its presence in essential oils and fragrant substances suggests potential uses in the perfumery and aromatherapy industries. Further research and development may reveal additional applications for (2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one.

Check Digit Verification of cas no

The CAS Registry Mumber 357650-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,7,6,5 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 357650-26:
(8*3)+(7*5)+(6*7)+(5*6)+(4*5)+(3*0)+(2*2)+(1*6)=161
161 % 10 = 1
So 357650-26-1 is a valid CAS Registry Number.

357650-26-1Downstream Products

357650-26-1Relevant articles and documents

5,6,7-Trimethylocta-2,5-dien-4-one - A suspected odorant with surprising olfactory properties

Kraft, Philip,Denis, Caroline,Eichenberger, Walter

, p. 2363 - 2369 (2007/10/03)

5,6,7-Trimethylocta-2,5-dien-4-one (3) was suspected of being a trace component smelling of damascone in a crude complex reaction product. Although this trace component eventually turned out to be the constitutional isomer 2-methyl-3-isopropylhepta-2,5-dien-4-one (4), the title compound 3 was found to possess even superior fruity, rosy odor characteristics, reminiscent of apples, plums, raisins and other dried fruits, and these odor characteristics are, surprisingly, due mainly to its (5Z)-isomer. The synthesis of 3 commenced with the preparation of 1-ethoxyprop-1-yne (11) from 2-chloro-1,1-diethoxyethane (9). Borontrifluoride-catalyzed addition of methyl isopropyl ketone (10) to 11 provided ethyl 2,3,4-trimethylpent-2-enoate (8), which was transformed into the target molecule 3 by Grignard reaction with propen-1-ylmagnesium bromide and in situ enolization. Further derivatives 13-16 provide more insight into the structure-odor correlation of damascone-type odorants, and the use of 3 in perfumery is illustrated by a composition formula of a demonstration perfume.

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