1194-18-9
1,3-Cycloheptanedione
CAS: 1194-18-9
Molecular Formula: C7H10O2
1194-18-9 - Names and Identifiers
| Name | 1,3-Cycloheptanedione |
| Synonyms | 1,3-cycloheptandione 1,3-Cycloheptanedione CYCLOHEPTANE-1,3-DIONE Cycloheptane-1,3-Dione 1 3-CYCLOHEPTANEDIONE 97 CYCLOHEPTANE-1,3-DIONE (1194-18-9) |
| CAS | 1194-18-9 |
| EINECS | 1592732-453-0 |
| InChI | InChI=1/C7H10O2/c8-6-3-1-2-4-7(9)5-6/h1-5H2 |
| InChIKey | DBOVMTXPZWVYAQ-UHFFFAOYSA-N |
1194-18-9 - Physico-chemical Properties
| Molecular Formula | C7H10O2 |
| Molar Mass | 126.15 |
| Density | 1.1g/mLat 25°C(lit.) |
| Boling Point | 254°C(lit.) |
| Flash Point | >230°F |
| Water Solubility | Soluble in water (5.5 g/100 g), and dimethyl formamide (DMF) |
| Vapor Presure | 0.0213mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Light yellow to Light orange |
| pKa | 9.63±0.20(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | n20/D 1.483(lit.) |
| Physical and Chemical Properties | WGK Germany:3 |
1194-18-9 - Risk and Safety
| WGK Germany | 3 |
1194-18-9 - Introduction
1,3-Cycloheptanedione, also known as pentanedione, is an organic compound with the chemical formula C6H8O2. The following is a description of its nature, use, preparation and safety information:
Nature:
1,3-Cycloheptanedione is a colorless crystal or white crystalline powder with the characteristic off-flavor of the ketone. It has a melting point of 129-132°C and a boiling point of 216-220°C. 1,3-cycloheptanedione is soluble in water and also in alcohols and ethers.
Use:
1,3-Cycloheptanedione is an important organic synthesis intermediate with a variety of uses. It can be used to prepare carboxyl group containing chemicals such as dianhydrides, β-keto acids and polyacids. In addition, it can also be used as a synthetic raw material for dyes, pharmaceuticals and pesticides.
Preparation Method:
The preparation of 1,3-cycloheptanedione can be carried out by the oxidation reaction of pentanone. One common method is to react the pentanone with oxygen or an oxygen-containing gas under acidic conditions. Benzophenone peroxide is a common oxidant that can promote the oxidation of pentanone to 1,3-cycloheptanedione in the presence of a suitable catalyst.
Safety Information:
The following safety precautions should be taken when using and handling 1,3-cycloheptanedione:
- 1,3-Cycloheptanedione should be kept away from open flames and high temperatures to avoid fire and explosion hazards.
-Wear appropriate protective equipment such as gloves, glasses and laboratory clothing when using the compound to avoid skin contact and inhalation.
-Avoid inhaling 1,3-cycloheptanedione and its dust into the body, as it may cause irritation and damage to the respiratory system.
-Use and storage to avoid contact with oxidants, strong acids and other substances to avoid dangerous reactions.
-If you come into contact with this compound, flush the affected area immediately with water and seek medical help.
Nature:
1,3-Cycloheptanedione is a colorless crystal or white crystalline powder with the characteristic off-flavor of the ketone. It has a melting point of 129-132°C and a boiling point of 216-220°C. 1,3-cycloheptanedione is soluble in water and also in alcohols and ethers.
Use:
1,3-Cycloheptanedione is an important organic synthesis intermediate with a variety of uses. It can be used to prepare carboxyl group containing chemicals such as dianhydrides, β-keto acids and polyacids. In addition, it can also be used as a synthetic raw material for dyes, pharmaceuticals and pesticides.
Preparation Method:
The preparation of 1,3-cycloheptanedione can be carried out by the oxidation reaction of pentanone. One common method is to react the pentanone with oxygen or an oxygen-containing gas under acidic conditions. Benzophenone peroxide is a common oxidant that can promote the oxidation of pentanone to 1,3-cycloheptanedione in the presence of a suitable catalyst.
Safety Information:
The following safety precautions should be taken when using and handling 1,3-cycloheptanedione:
- 1,3-Cycloheptanedione should be kept away from open flames and high temperatures to avoid fire and explosion hazards.
-Wear appropriate protective equipment such as gloves, glasses and laboratory clothing when using the compound to avoid skin contact and inhalation.
-Avoid inhaling 1,3-cycloheptanedione and its dust into the body, as it may cause irritation and damage to the respiratory system.
-Use and storage to avoid contact with oxidants, strong acids and other substances to avoid dangerous reactions.
-If you come into contact with this compound, flush the affected area immediately with water and seek medical help.
Last Update：2024-04-09 19:05:46
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View History
1194-18-9
3350-78-5
130296-48-9
62475-58-5
677029-53-7
473727-83-2
84110-34-9
158563-45-2
25155-25-3
104-16-5
3350-78-5
130296-48-9
62475-58-5
677029-53-7
473727-83-2
84110-34-9
158563-45-2
25155-25-3
104-16-5