ChemicalBook > CAS DataBase List > 2-Methyl-1,3-cyclohexanedione
2-Methyl-1,3-cyclohexanedione
- Product Name
- 2-Methyl-1,3-cyclohexanedione
- CAS No.
- 1193-55-1
- Chemical Name
- 2-Methyl-1,3-cyclohexanedione
- Synonyms
- 2-METHYLCYCLOHEXANE-1,3-DIONE;1,3-Cyclohexanedione, 2-methyl-;2-MECHD;NSC 54460;2-METHYL-1,3-CYCLOHEXANDIONE;Acridine Related Compound 10;1-Methyl-2,6-cyclohexanedione;2-METHYL-1,3-CYCLOHEXANEDIONE;1,3-DIMETHYLCYCLOADIPIC KETONE;2-Methyl-1,3-cyclohexanedione>
- CBNumber
- CB3214752
- Molecular Formula
- C7H10O2
- Formula Weight
- 126.15
- MOL File
- 1193-55-1.mol
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2-Methyl-1,3-cyclohexanedione Property
- Melting point:
- 206-208 °C (lit.)
- Boiling point:
- 194.28°C (rough estimate)
- Density
- 1.0579 (rough estimate)
- refractive index
- 1.4660 (estimate)
- storage temp.
- Inert atmosphere,Room Temperature
- solubility
- methanol: 0.1 g/mL, clear
- form
- Powder, Crystals or Crystalline Powder
- pka
- 5.58±0.25(Predicted)
- color
- Off-white to salmon to pale brown
- Water Solubility
- INSOLUBLE
- Sensitive
- Hygroscopic
- BRN
- 1281598
- InChIKey
- VSGJHHIAMHUZKF-UHFFFAOYSA-N
- LogP
- -0.390 (est)
- CAS DataBase Reference
- 1193-55-1(CAS DataBase Reference)
- NIST Chemistry Reference
- 1,3-Cyclohexanedione, 2-methyl-(1193-55-1)
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- M37935
- Product name
- 2-Methyl-1,3-cyclohexanedione
- Purity
- 97%
- Packaging
- 25g
- Price
- $144.4
- Updated
- 2025/07/31
Sigma-Aldrich
- Product number
- M37935
- Product name
- 2-Methyl-1,3-cyclohexanedione
- Purity
- 97%
- Packaging
- 100g
- Price
- $557
- Updated
- 2025/07/31
TCI Chemical
- Product number
- M1133
- Product name
- 2-Methyl-1,3-cyclohexanedione
- Purity
- >98.0%(GC)(T)
- Packaging
- 5g
- Price
- $71
- Updated
- 2025/07/31
TCI Chemical
- Product number
- M1133
- Product name
- 2-Methyl-1,3-cyclohexanedione
- Purity
- >98.0%(GC)(T)
- Packaging
- 25g
- Price
- $284
- Updated
- 2025/07/31
Cayman Chemical
- Product number
- 10007138
- Product name
- 2-methyl-1,3-Cyclohexanedione
- Purity
- ≥95%
- Packaging
- 1g
- Price
- $21
- Updated
- 2024/03/01
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2-Methyl-1,3-cyclohexanedione Chemical Properties,Usage,Production
Description
2-
Chemical Properties
White to salmon powder
Uses
An important starting material, exemplified in a formal synthesis of acorone.1
Uses
2-Methylcyclohexane-1,3-dione acts as a synthetic intermediate. It is an important starting material, exemplified in a formal synthesis of acorone. It is also used in Organic Synthesis, Pharmaceuticals, Agrochemicals.
Synthesis
504-02-9
1193-55-1
In a reactor equipped with a stirrer, 300 parts of methanol, 56 parts of a 50% aqueous solution of dimethylamine and 56 parts of 1,3-cyclohexanedione were added and the mixture was warmed up to 30 °C. A 37% aqueous solution of formaldehyde was added dropwise over a period of 1 hour. After addition, the reaction solution was maintained at 40°C for 3 hours. The unreacted 1,3-cyclohexanedione content was monitored by HPLC to confirm the reaction endpoint. Subsequently, 10 portions of 5% palladium-carbon catalyst were added to the reaction mixture and the reaction was carried out at 30°C and atmospheric pressure with hydrogen gas passed for 15 hours. The unreacted 2-dimethylaminomethyl-1,3-cyclohexanedione content was detected by high performance liquid chromatography to confirm the completion of the reaction. At the end of the reaction, the catalyst was removed by filtration at 30 °C, 300 parts of water were added to the filtrate, methanol was removed by distillation, and the residue was adjusted with 35% hydrochloric acid to pH 6. The precipitate was collected by filtration, washed with water and dried at 70 °C to give 54.8 parts of 2-methyl-1,3-cyclohexanedione as dry cake (yield: 87.0%). HPLC analysis showed that the purity of 2-methyl-1,3-cyclohexanedione in the dry cake was 97.2%. The melting point of the dried cake was 206°-208°C (literature value: 207°-209°C). FD-MS analysis showed that the dried cake had a peak at m/z 126, which was consistent with the theoretical molecular weight.
References
[1] Patent: US5276198, 1994, A
2-Methyl-1,3-cyclohexanedione Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 2-Methyl-1,3-cyclohexanedione manufacturers
Henan Aochuang Chemical Co.,Ltd.
- Product
- 2-Methyl-1,3-cyclohexanedione 1193-55-1
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 98%
- Supply Ability
- 1Ton
- Release date
- 2022-09-28
Chemwill Asia Co.,Ltd.
- Product
- 2-Methyl-1,3-cyclohexanedione in stock Factory 1193-55-1
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- TOP 3 Factory in China
- Supply Ability
- Top 3 largest production capacity Factory
- Release date
- 2019-04-03
Nanjing jinheyou Trading Co., Ltd.
- Product
- 2-Methyl-1,3-cyclohexanedione 1193-55-1
- Price
- US $0.00/g
- Min. Order
- 1g
- Purity
- 98%min
- Supply Ability
- 20kg/month
- Release date
- 2019-11-01
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