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2,2,6-Trimethylcyclohexanone is an organic compound that is characterized by its clear, colorless liquid appearance. It possesses a distinct aroma with a detection threshold of 100 ppb and a recognition threshold of 310 ppb. 2,2,6-TRIMETHYLCYCLOHEXANONE is known to occur naturally in various fruits, beverages, and herbs, including bilberries, passion fruit, tea, apricot, white wine, black tea, green tea, microbial fermented tea, brewed tea, yellow passion fruit juice, and dill herb.

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  • 2408-37-9 Structure
  • Basic information

    1. Product Name: 2,2,6-TRIMETHYLCYCLOHEXANONE
    2. Synonyms: 1,1,3-Trimethyl-2-cyclohexanone;2,2,6-Trimethylcyclohexan-1-one;2,2,6-trimethyl-cyclohexanon;2,6,6-Trimethylcyclohexanone;2,2,6-TRIMETHYLCYCLOHEXANONE;FEMA 3473;2 2 6-TRIMETHYLCYCLOHEXANONE 98+%;Cyclohexanone, 2,2,6-trimethyl-
    3. CAS NO:2408-37-9
    4. Molecular Formula: C9H16O
    5. Molecular Weight: 140.22
    6. EINECS: 219-309-9
    7. Product Categories: Alphabetical Listings;Flavors and Fragrances;Q-Z;C9;Carbonyl Compounds;Ketones
    8. Mol File: 2408-37-9.mol
  • Chemical Properties

    1. Melting Point: -31.8°C
    2. Boiling Point: 178-179 °C(lit.)
    3. Flash Point: 125 °F
    4. Appearance: /
    5. Density: 0.904 g/mL at 25 °C(lit.)
    6. Vapor Pressure: 0.986mmHg at 25°C
    7. Refractive Index: n20/D 1.447(lit.)
    8. Storage Temp.: Flammables area
    9. Solubility: N/A
    10. Water Solubility: Slightly miscible with water.
    11. BRN: 1905593
    12. CAS DataBase Reference: 2,2,6-TRIMETHYLCYCLOHEXANONE(CAS DataBase Reference)
    13. NIST Chemistry Reference: 2,2,6-TRIMETHYLCYCLOHEXANONE(2408-37-9)
    14. EPA Substance Registry System: 2,2,6-TRIMETHYLCYCLOHEXANONE(2408-37-9)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: 10
    3. Safety Statements: 23-24/25
    4. RIDADR: UN 1224 3/PG 3
    5. WGK Germany: 3
    6. RTECS:
    7. TSCA: Yes
    8. HazardClass: 3
    9. PackingGroup: III
    10. Hazardous Substances Data: 2408-37-9(Hazardous Substances Data)

2408-37-9 Usage

Uses

Used in Flavoring Industry:
2,2,6-Trimethylcyclohexanone is used as a flavoring agent in the food and beverage industry. Its unique aroma and ability to enhance the taste of various products make it a valuable addition to the flavoring agents used in this sector.
Used in Fragrance Industry:
Due to its distinct aroma, 2,2,6-Trimethylcyclohexanone is also utilized in the fragrance industry to create and enhance the scent of various perfumes, colognes, and other scented products.
Used in Chemical Synthesis:
2,2,6-Trimethylcyclohexanone serves as a key intermediate in the synthesis of various chemicals, including terpenes such as beta-ionone. This application is particularly relevant in the pharmaceutical and chemical industries, where the compound is used to produce a wide range of products with diverse applications.

Synthesis Reference(s)

Journal of the American Chemical Society, 80, p. 4072, 1958 DOI: 10.1021/ja01548a061The Journal of Organic Chemistry, 27, p. 1615, 1962 DOI: 10.1021/jo01052a031

Purification Methods

Purify it via the semicarbazone (m 218o, from MeOH or EtOH), decompose this in the usual way (cf p 65 and 67, or MEK, p 106) and fractionally distil the liquid ketone through a vigreux column (p 11) at ~760mm. [Chakravarti J Chem Soc 1567 1947, Milas et al. J Am Chem Soc 70 1831 1948, Beilstein 7 I 24, 7 II 32, 7 III 7.]

Check Digit Verification of cas no

The CAS Registry Mumber 2408-37-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,0 and 8 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2408-37:
(6*2)+(5*4)+(4*0)+(3*8)+(2*3)+(1*7)=69
69 % 10 = 9
So 2408-37-9 is a valid CAS Registry Number.
InChI:InChI=1/C9H16O/c1-7-5-4-6-9(2,3)8(7)10/h7H,4-6H2,1-3H3/t7-/m1/s1

2408-37-9 Well-known Company Product Price

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  • Alfa Aesar

  • (B21111)  2,2,6-Trimethylcyclohexanone, 97%   

  • 2408-37-9

  • 1g

  • 708.0CNY

  • Detail
  • Alfa Aesar

  • (B21111)  2,2,6-Trimethylcyclohexanone, 97%   

  • 2408-37-9

  • 5g

  • 2805.0CNY

  • Detail
  • Alfa Aesar

  • (B21111)  2,2,6-Trimethylcyclohexanone, 97%   

  • 2408-37-9

  • 25g

  • 10814.0CNY

  • Detail

2408-37-9Relevant articles and documents

Synthesis method of beta-damascenone

-

Paragraph 0054-0059, (2020/08/02)

The invention provides a synthesis method of beta-damascenone. The synthesis method comprises the following steps: 1) carrying out nucleophilic addition reaction on a compound II and acetylene to generate a compound III; (2) carrying out condensation reaction on the compound III and acetaldehyde to generate a compound IV, and (3) carrying out Meyer-Schureter rearrangement reaction on the compoundIV to obtain a compound V, namely the beta-damascenone.

An unexpected generation of magnetically separable Se/Fe3O4 for catalytic degradation of polyene contaminants with molecular oxygen

Chen, Xingyu,Mao, Jingfei,Liu, Chuang,Chen, Chao,Cao, Hongen,Yu, Lei

supporting information, p. 3205 - 3208 (2020/08/12)

Selenization of Fe2O3 with NaHSe led to Se/Fe3O4. The unexpected generation of Fe3O4 attributed to the reduction conditions of the reaction, and the resulted magnetic features of the materi

Diastereoselective Synthesis of (±)-Epianastrephin, (±)-Anastrephin and Analogs Thereof

-

Paragraph 0090; 0091, (2017/11/14)

A process for the synthesis of trans-fused γ-lactones having Formula (IV) from substituted cyclic ketones having Formula (I). A diastereoselective synthesis of (±)-epianastrephin (1) (wherein: R1 is ethenyl, R2 and R3 is methyl, and n is 1), (±)-anastrephin (2) (wherein: R2 is ethenyl, R1 and R3 is methyl and n is 1), and analogs thereof (wherein: R1 is H, C1-5 alkyl, C2-6 alkenyl or C2-6 alkynyl, R2 is H, C1-5 alkyl, C2-6 alkenyl or C2-6 alkynyl, R1 and R2 together with the carbon atom they are attached form a C3-6 cycloalkyl ring, R3 is C1-5 alkyl and n is 0-2):

New application of cross-linked poly(N -bromoacrylamide) and poly(N -bromosuccinimide) as highly efficient and chemoselective heterogeneous polymeric catalysts for deprotection of 1,3-dithianes and 1,3-dithiolanes under mild conditions

Ebrahimzadeh, Farzaneh

, p. 89 - 104 (2016/02/18)

Cross-linked poly(N-bromoacrylamide) (PNBA) and poly(N- bromosuccinimide) as the mild and efficient heterogeneous polymeric catalysts were applied for selective deprotection of 1,3-dithianes and 1,3-dithiolanes to their corresponding carbonyl compounds. They were also effective as a reagent in aqueous media. These methods are very simple and the polymer catalysts could be recycled several times. Deprotection of thioacetal and thioketal without enolizable hydrogens proceeded very well to give only the corresponding aldehyde and ketone in high to excellent yield. Nevertheless, in the case of thioketals carrying enolizable hydrogens, deprotection accompanied with the formation of a minor ring-expanded product is observed. However, using the PNBA/H2O system, ring expansion of these thiolketals with enolizable hydrogen was not detected. These methods provide advantages, such as chemoselectivity, easy preparation, simple work up, excellent yields, and the ability to recycle the catalyst, which makes this method more useful compared to other known methodologies.

Photocatalytic degradation of water taste and odour compounds in the presence of polyoxometalates and TiO2: Intermediates and degradation pathways

Fotiou, Theodora,Triantis, Theodoros M.,Kaloudis, Triantafyllos,Papaconstantinou, Elias,Hiskia, Anastasia

, p. 1 - 9 (2014/05/20)

Geosmin (GSM) and 2-methylisoborneol (MIB) are produced by several species of cyanobacteria and actinomycetes. These compounds can taint water and fish causing undesirable taste and odours. Studies have shown that GSM/MIB are resistant in standard water treatments. Polyoxometalates (POM) are efficient photocatalysts in the degradation and mineralization of a great variety of organic pollutants, presenting similar behaviour with the widely published titanium dioxide (TiO2). Photocatalytic degradation of GSM and MIB under UV-A light in the presence of a characteristic POM photocatalyst, SiW 12O404-, in aqueous solution has been studied and compared with the photodegradation by TiO2 suspensions. GSM and MIB are effectively degraded in the presence of both photocatalysts. Addition of OH radical scavengers (KBr and tertiary butyl alcohol, TBA) retards the photodegradation rates of both compounds, suggesting that photodegradation mechanism takes place via OH radicals. Intermediates identified using GC-MS in the case of GSM and MIB, are mainly identical in the presence of both photocatalysts, also suggesting a common reaction mechanism. Possible photocatalytic degradation pathway for both GSM and MIB is proposed.

Synthesis of five-and six-membered 1,3,3-trimethyl-2-(trimethylsilyl) cycloalkenes: A novel preparation of alkyl/alkenyl/aryl 2,5,5-trimethyl-1- cyclopentenyl ketones

Venkatesha, Manjunatha A.,Suresh, Hariprasad

, p. 759-768+S57-S61 (2013/07/26)

1,3,3-trimethyl-2-(trimethylsilyl)cyclopentene and 1,3,3-trimethyl-2- -(trimethylsilyl)cyclohexene were prepared in good yields by the Wurtz-Fittig coupling reaction of the corresponding 2-iodo-1,3,3-trimethylcyclopentene and 2-chloro-1,3,3-trimethylcyclohexene with metallic sodium and chlorotrimethylsilane in anhydrous ether solvent. The Friedel-Crafts acylation reaction of 1,3,3-trimethyl-2-(trimethylsilyl)cyclopentene with six different acid chlorides and the novel preparation of six alkyl/alkenyl/aryl 2,5,5-trimethyl-1-cyclopentenyl ketones are reported.

Cabinet for locking a distributor and method

-

, (2007/12/05)

A device for dispensing items comprises a cabinet having an interior for storing items. A dispenser frame is coupled to the cabinet and is configured to be accessed, such as by pulling the dispenser frame from the cabinet. The dispenser frame includes a plurality of dividers that are configured to hold the plurality of dispensing mechanisms that each hold multiple items within the storage area. Further, the dividers are reconfigurable to permit the arrangement of the dispensing mechanisms to be adjusted. A lockable door is coupled to the front of the cabinet in front of the dispenser frame. The door may be opened to provide access to the interior of the cabinet and to the dispenser frame. A dispense drawer is positioned below the storage area so that items dispensed from the dispensing mechanisms.

Total synthesis of (±)-dihydroactinidiolide using selenium-stabilized carbenium ion

Dabdoub, Miguel J.,Silveira, Claudio C.,Lenard?o, Eder J.,Guerrero Jr., Palimécio G.,Viana, Luiz H.,Kawasoko, Cristiane Y.,Baroni, Adriano C.M.

scheme or table, p. 5569 - 5571 (2011/02/24)

A new, short total synthesis of dihydroactinidiolide 1 is described using selenium carbenium ion-promoted carbon-carbon bond formation as the key step. Our synthetic strategy starts with a lactonization reaction between 1,3,3-trimethylcyclohexene 13 and α-chloro-α-phenylseleno ethyl acetate 14, affording the key intermediate, α-phenylseleno-γ-butyro lactone 15, which reacted via a selenoxide elimination to the target compound 1.

The catalytic enantioselective, protecting group-free total synthesis of (+)-dichroanone

McFadden, Ryan M.,Stoltz, Brian M.

, p. 7738 - 7739 (2007/10/03)

Herein we report the first enantioselective total synthesis of (+)-dichroanone, confirming the absolute configuration of the natural product. This protecting group-free route features the first application of our enantioselective Tsuji allylation in the context of a natural product total synthesis. Additionally, this 11-step preparation of the molecule from commercial material features a novel Kumada-aromatization strategy and a rapid sequence for the conversion of a phenol to a hydroxy-p-benzoquinone. Copyright

Total synthesis of (±)-hedychenone: Trimethyldecalin terpene systems via stepwise allenoate diene cycloaddition

Jung, Michael E.,Murakami, Masayuki

, p. 5857 - 5859 (2007/10/03)

(Diagram presented) The total synthesis of hedychenone 1 is described. The cycloaddition of the hindered diene 2 and the allenecarboxylate 3 has been shown conclusively to proceed via the [2+2] cycloadduct 5 to give a 2:1 mixture of the desired formal Diels-Alder adducts, the exo and endo isomers 4xn and is thus a stepwise [4+2] cycloaddition. The exo isomer 4x was converted in four steps (reduction, oxidation, olefination, and desilylation) into hedychenone 1.

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