3-Methylpentane-2,4-dione - Names and Identifiers
Name | 3-methylpentane-2,4-dione
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Synonyms | NSC 15756 1,1-DIACETYLETHANE 3-ACETYLBUTAN-2-ONE METHYLACETYLACETONE Methylacetylacetone 3-ACETYL-2-BUTANONE 3-Methyl-2,4-pentanedione 3-METHYLPENTANE-2,4-DIONE 3-METHYL-2,4-PENTANEDIONE 3-methylpentane-2,4-dione 3-Methylpentane-2,4-dione (3Z)-4-hydroxy-3-methylpent-3-en-2-one 2,4-Pentanedione, 3-methyl- (8CI)(9CI) 3-methyl-2,4-pentanedione,mixtureoftautomers
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CAS | 815-57-6
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EINECS | 212-420-3 |
InChI | InChI=1/C6H10O2/c1-4(5(2)7)6(3)8/h7H,1-3H3/b5-4- |
3-Methylpentane-2,4-dione - Physico-chemical Properties
Molecular Formula | C6H10O2
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Molar Mass | 114.14 |
Density | 0.981g/mLat 25°C(lit.) |
Melting Point | -7.75°C (estimate) |
Boling Point | 172-174°C(lit.) |
Flash Point | 134°F |
Water Solubility | Soluble in water. |
Vapor Presure | 0.0638mmHg at 25°C |
Appearance | clear liquid |
Color | Light yellow to Yellow to Green |
BRN | 635909 |
pKa | pK1:10.87 (25°C) |
Storage Condition | Inert atmosphere,2-8°C |
Refractive Index | n20/D 1.442(lit.) |
MDL | MFCD00008762 |
3-Methylpentane-2,4-dione - Risk and Safety
Hazard Symbols | Xi - Irritant
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Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
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UN IDs | UN 1224 3/PG 3 |
WGK Germany | 3 |
Hazard Class | 3 |
Packing Group | III |
3-Methylpentane-2,4-dione - Introduction
3-methylpentane-2,4-dione is an organic compound with the chemical formula C6H10O2. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 3-methylpentane-2,4-dione is a colorless to light yellow liquid.
-Solubility: It is soluble in many organic solvents, such as ethanol, acetone and ethyl acetate.
Use:
- 3-methylpentane-2,4-dione is commonly used as a chemical reagent and has many uses in organic synthesis. It can be used as solvent, intermediate and catalyst.
-The compound can be used as a substrate for the action of ketones in certain chemical reactions, and can also participate in nucleophilic addition, oxygenation reactions and other reaction types.
Preparation Method:
- 3-methylpentane-2,4-dione is usually prepared by synthesis, and there are many specific preparation methods.
-A common synthesis method is to obtain 3-methylpentane-2,4-dione by reacting ethyl ketone with sodium ethylene diazotization.
Safety Information:
- 3-methylpentane-2,4-dione is generally relatively safe under normal conditions of use, but the following matters still need to be paid attention:
-This compound should avoid contact with skin, eyes and mucous membranes, as it may cause irritation and damage to the human body.
-in the use of the process should maintain good ventilation, avoid inhalation of its vapor.
-If inhaled or exposed, wash the affected area immediately and consult a doctor's advice.
The above is an introduction to the nature, use, preparation and safety information of 3-methylpentane-2,4-dione.
Last Update:2024-04-10 22:29:15