3,5-Dibromo-4-hydroxybenzaldehyde

Basic Information

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CAS Number

2973-77-5

Molecular Formula

C7H4Br2O2

Molecular Weight

279.91 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Aldehydes

Fine Chemicals Dyes and Pigments Organic Dyes

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Melting Point

182.0 to 186.0 deg-C

Boiling Point

273.3 °C at 760 mmHg

Flash Point

119.1 °C

Refractive Index

1.4970 (estimate)

SMILES

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C1=C(C=C(C(=C1Br)O)Br)C=O

InChI

InChI=1S/C7H4Br2O2/c8-5-1-4(3-10)2-6(9)7(5)11/h1-3,11H

InChIKey

SXRHGLQCOLNZPT-UHFFFAOYSA-N

LogP

2.7297000000000002

Topological Polar Surface Area

37.3 Å²

Hydrogen Bond Donor/Acceptor

1 / 2

Complexity

139

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class IRRITANT Class IRRITANT

Sensitiveness

Air Sensitive

Synonyms & References

English

D0189
s10414
BP-20235
W-106975
2973-77-5
NS00028765
3,5-Dibromo-4-hydroxybenzaldehyde, 98%
AG-205/06024052
CS-0008358
Z57176718
MFCD00016980
AC-13720
EINECS 221-017-1
CHEMBL254956
BCP21443
AKOS000113473
NSC 72944
InChI=1/C7H4Br2O2/c8-5-1-4(3-10)2-6(9)7(5)11/h1-3,11
A820036
4-hydroxy-3,5-dibromo benzaldehyde
EN300-18119
DTXSID20183889
3,5-dibromo-4-hydroxy-benzaldehyde
SCHEMBL373244
SY031533
FT-0614495
AS-12381
NSC-72944
3,5-DIBROMO-4-HYDROXYBENZALDEHYDE
NSC72944
Benzaldehyde, 3,5-dibromo-4-hydroxy-

MDL Number

MFCD00016980

Customs Code

2913000090

FAQ

What are the physical and chemical properties of 3,5-Dibromo-4-hydroxybenzaldehyde (CAS: 2973-77-5)?

3,5-Dibromo-4-hydroxybenzaldehyde (CAS: 2973-77-5) is a crystalline compound. Its molecular weight is approximately 262.04 g/mol. It is slightly soluble in water but freely soluble in common organic solvents like ethanol and acetone. This compound shows moderate reactivity, particularly towards nucleophilic substitution and addition reactions. It is often used in organic synthesis due to its reactivity and specific functional groups.

How is 3,5-Dibromo-4-hydroxybenzaldehyde (CAS: 2973-77-5) typically synthesized?

3,5-Dibromo-4-hydroxybenzaldehyde (CAS: 2973-77-5) can be synthesized through the bromination of 4-hydroxybenzaldehyde followed by a selective reduction. Commonly, this involves the use of bromine in the presence of anhydrous hydrogen bromide or bromine and zinc powder. The reaction is typically carried out under anhydrous conditions to prevent side reactions. The yield is usually around 65-75%, and the product can be purified by recrystallization from ethanol.

What industries use 3,5-Dibromo-4-hydroxybenzaldehyde (CAS: 2973-77-5)?

3,5-Dibromo-4-hydroxybenzaldehyde (CAS: 2973-77-5) is used across various industries. It finds applications in pharmaceuticals for synthesis of certain drug intermediates. It is also used in the synthesis of dyes and pigments, as well as in polymer and semiconductor industries for its electron-donating properties. Additionally, it serves as a reagent in analytical chemistry due to its reactivity with specific functional groups.

What precautions should be taken when handling 3,5-Dibromo-4-hydroxybenzaldehyde (CAS: 2973-77-5)?

When handling 3,5-Dibromo-4-hydroxybenzaldehyde (CAS: 2973-77-5), it is essential to wear proper personal protective equipment (PPE) including gloves, goggles, and a lab coat. This compound should be used in a well-ventilated area or a fume hood to minimize inhalation risks. In case of spills, the area should be carefully cleaned up with appropriate absorbents. Always refer to the Material Safety Data Sheet (MSDS/SDS) for detailed safety information and emergency procedures.