4-Bromobenzenediazonium tetrafluoroborate

Basic Information

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CAS Number

673-40-5

Molecular Formula

C6H4BBrF4N2

Molecular Weight

270.82 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Nitriles

Fine Chemicals Specialty Chemicals UV Stabilizers

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Melting Point

133°C(dec.)

SMILES

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[B-](F)(F)(F)F.C1=CC(=CC=C1[N+]#N)Br

InChI

InChI=1S/C6H4BrN2.BF4/c7-5-1-3-6(9-8)4-2-5;2-1(3,4)5/h1-4H;/q+1;-1

InChIKey

FXTCQUCYDJZGGU-UHFFFAOYSA-N

LogP

4.23368

Complexity

148

Safety Information

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Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 8 Class 8

Sensitiveness

Moisture Sensitive

Synonyms & References

English

B3114
SCHEMBL236958
MFCD00011894
AKOS005067387
BS-44045
NS00041937
4-Bromobenzenediazonium tetrafluoroborate, 96%
673-40-5
4-Bromobenzenediazonium tetrafluoroborate
FXTCQUCYDJZGGU-UHFFFAOYSA-N
4-bromobenzenediazonium;tetrafluoroborate
CS-0360317
FT-0632780
4-bromobenzenediazonium tetrafluoro-borate
4-bromobenzene-1-diazonium; tetrafluoroboranuide
boron(+3) cation; 4-bromobenzenediazonium; tetrafluoride

MDL Number

MFCD00011894

Customs Code

2927000090

FAQ

What are the physical and chemical properties of 4-Bromobenzenediazonium tetrafluoroborate (CAS: 673-40-5)?

4-Bromobenzenediazonium tetrafluoroborate (CAS: 673-40-5) is a crystalline compound with a molecular weight of approximately 288.04 g/mol. It is sparingly soluble in water but highly soluble in organic solvents such as methanol and acetone. This compound is known for its high reactivity, particularly in coupling reactions and as a diazo reagent.

How is 4-Bromobenzenediazonium tetrafluoroborate (CAS: 673-40-5) typically synthesized?

4-Bromobenzenediazonium tetrafluoroborate is typically synthesized by diazotizing 4-bromobenzenesulfonic acid in the presence of sodium tetrafluoroborate. The reaction involves the formation of the diazonium salt, which is then converted to the tetrafluoroborate salt. Common conditions include a 1:1 molar ratio of sulfonic acid to sodium tetrafluoroborate, with the use of an appropriate acid catalyst such as sulfuric acid.

What industries use 4-Bromobenzenediazonium tetrafluoroborate (CAS: 673-40-5)?

4-Bromobenzenediazonium tetrafluoroborate (CAS: 673-40-5) is used in various industries, particularly in the pharmaceutical sector for the synthesis of aromatic compounds and in the manufacturing of dyes and pigments. It also finds applications in organic chemistry for coupling reactions and as a diazo reagent in analytical chemistry and sensor technology.

What precautions should be taken when handling 4-Bromobenzenediazonium tetrafluoroborate (CAS: 673-40-5)?

When handling 4-Bromobenzenediazonium tetrafluoroborate (CAS: 673-40-5), it is essential to wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. The substance should be handled in a well-ventilated area or a fume hood to minimize exposure to fumes. Spills should be handled according to the Material Safety Data Sheet (SDS) recommendations, and disposal should follow local regulations.