α-Acetyl-α-methyl-γ-butyrolactone

α-Acetyl-α-methyl-γ-butyrolactone - Names and Identifiers

Name	Alpha-Acetyl-Alpha-methyl-Gamma-butyrolactone
Synonyms	à-acetyl-à-methyl- α-Acetyl-α-methyl-γ-butyrolactone 3-acetyl-3-methyltetrahydrofuran-2-one 3-acetyl-3-methyldihydrofuran-2(3H)-one ALPHA-ACETYL-ALPHA-METHYL-G-BUTYROLACTONE (3S)-3-acetyl-3-methyldihydrofuran-2(3H)-one 3-Acetyl-4,5-dihydro-3-methyl-2(3H)-furanone (3R)-3-acetyl-3-methyldihydrofuran-2(3H)-one Alpha-Acetyl-Alpha-methyl-Gamma-butyrolactone ALPHA-ACETYL-ALPHA-METHYL-GAMMA-BUTYROLACTONE
CAS	1123-19-9
EINECS	214-370-8
InChI	InChI=1/C7H10O3/c1-5(8)7(2)3-4-10-6(7)9/h3-4H2,1-2H3/t7-/m1/s1

α-Acetyl-α-methyl-γ-butyrolactone - Physico-chemical Properties

Molecular Formula	C7H10O3
Molar Mass	142.15
Density	1.155g/mLat 25°C(lit.)
Boling Point	120-122°C 10mm
Flash Point	233°F
Vapor Presure	0.00585mmHg at 25°C
BRN	113636
Storage Condition	0-6°C
Refractive Index	n20/D 1.456(lit.)

α-Acetyl-α-methyl-γ-butyrolactone - Risk and Safety

Safety Description	24/25 - Avoid contact with skin and eyes.
WGK Germany	3
Hazard Class	IRRITANT

α-Acetyl-α-methyl-γ-butyrolactone - Introduction

α-Acetyl-α-methyl-γ-butyrolactone, also known as MIBK(methyl isobutyl ketone), is an organic solvent. The following is a description of the nature, use, method and safety information of MIBK:

Nature:
- MIBK is a colorless liquid with a weak ether fragrance.
-It is soluble in water and compatible with many organic solvents.
- MIBK has moderate volatility and low toxicity.
-It is an easy-to-burn substance, and its vapor can form a combustible mixture.

Use:
- MIBK is an important solvent that is widely used in a variety of industrial applications.
-It can be used to dissolve and dilute resin, rubber, fat, paint and varnish and other coating products.
- MIBK is also commonly used in metal degreasing, electronic components cleaning and distillation process.
-In addition, it can also be used as a reaction solvent and is widely used in chemical synthesis and organic synthesis.

Preparation Method:
-The preparation of MIBK is usually obtained by oxidation of isobutene.
-Isobutylene first reacts with oxygen in the air to produce propionaldehyde.
-Propionaldehyde then undergoes further hydrogenation to produce MIBK.

Safety Information:
-When using MIBK, you need to pay attention to prevent inhalation of its vapor, because it has an irritating effect on the respiratory tract.
- MIBK can also be absorbed through the skin, so direct contact with the skin should be avoided.
-When operating and storing MIBK, avoid contact with open flame or high temperature to avoid fire.
-When using MIBK, it is recommended to do it in a well-ventilated place and be equipped with appropriate personal protective equipment, such as respirators and protective gloves.

This is a basic introduction to a-acetyl-a-methyl-γ-butyrolactone (MIBK), including its properties, uses, preparation and safety information. If you have any other questions, please feel free to ask.

Last Update：2024-04-09 20:52:54