4023-81-8

4023-81-8 - Names and Identifiers

Name	1-(4-bromophenyl)butane-1,3-dione
Synonyms	4-Bromobenzoylacetone 1-(4-bromophenyl)butane-1,3-dione 1-(3-BroMophenyl)-1,3-butanedione 1-(3-bromophenyl)butane-1,3-dione 1-(4-Bromophenyl)-1,3-butanedione 1-(3-BROMO-PHENYL)-BUTANE-1,3-DIONE 1,3-Butanedione, 1-(4-bromophenyl)- 1,3-butanedione, 1-(4-bromophenyl)- 4-(4-bromophenyl)-4-hydroxybut-3-en-2-one
CAS	4023-81-8
InChI	InChI=1/C10H9BrO2/c1-7(12)6-10(13)8-2-4-9(11)5-3-8/h2-5H,6H2,1H3

4023-81-8 - Physico-chemical Properties

Molecular Formula	C10H9BrO2
Molar Mass	241.08
Density	1.441±0.06 g/cm3(Predicted)
Melting Point	94-96℃ (ethanol )
Boling Point	331.7±22.0 °C(Predicted)
Flash Point	115.3°C
Vapor Presure	0.000153mmHg at 25°C
Appearance	powder to crystal
Color	White to Orange to Green
Maximum wavelength(λmax)	['321nm(H2O)(lit.)']
pKa	8.41±0.10(Predicted)
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C
Refractive Index	1.549

4023-81-8 - Introduction

1-(4-bromophenyl)butane-1,3-dione is an organic compound with the chemical formula C10H9BrO2.

The compound has the following properties:
-Appearance: Colorless to slightly yellow crystal or powder;
-Solubility: Soluble in most organic solvents, such as ether, alcohol and ketone, slightly soluble in water;
-Melting point: about 70-72 degrees Celsius;
-Boiling point: about 270 degrees Celsius;
-Density: about 1.56 g/ml.

The main uses of 1-(4-bromophenyl)butane-1,3-dione include:
-As an important intermediate in organic synthesis, it can be used to synthesize other organic compounds;
-as catalyst and catalyst precursor;
-used in the pharmaceutical industry for the synthesis of drugs;
-Used in the preparation of dyes and pigments.

The preparation method of 1-(4-bromophenyl)butane-1,3-dione can be carried out by the following steps:
-Reaction of butanedione with bromobenzene to form 1-(4-bromophenyl)butane-1,3-dione.

As for safety information, 1-(4-bromophenyl)butane-1,3-dione is an organic compound, and its use requires the following safety precautions:
-Avoid direct contact with skin and eyes;
-Appropriate protective measures, such as lab gloves, goggles and protective clothing, shall be provided during operation;
-Use in a well-ventilated place to avoid inhalation or swallowing;
-Store in a dark, dry and well-ventilated place;
-Avoid mixing with oxidants, strong acids or strong bases.

Last Update：2024-04-09 19:05:49