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280895

Sigma-Aldrich

4-Bromobenzenediazonium tetrafluoroborate

96%

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About This Item

Linear Formula:
BrC6H4N2BF4
CAS Number:
673-40-5
Molecular Weight:
270.82
Beilstein:
3791621
EC Number:
211-608-2
MDL number:
MFCD00011894
UNSPSC Code:
12352100
PubChem Substance ID:
24856956
NACRES:
NA.22

Assay

96%

mp

135-140 °C (dec.) (lit.)

storage temp.

2-8°C

SMILES string

F[B-](F)(F)F.Brc1ccc(cc1)[N+]#N

InChI

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

InChI key

FXTCQUCYDJZGGU-UHFFFAOYSA-N

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General description

Electrochemical reduction of 4-bromobenzenediazonium tetrafluoroborate was investigated for the derivatization of the carbon felt (modified carbon surfaces whether glassy carbon or carbon felt).

Application

4-Bromobenzenediazonium tetrafluoroborate was used in preparation of:
  • surface modified Au(111) electrode
  • 1-(4′-bromophenyl)-3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodec-1-ene

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

PRTR

Class I Designated Chemical Substances

JAN Code

280895-25G:
280895-VAR:
280895-BULK:
280895-5G:4548173129426

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Bo Cui et al.
Langmuir : the ACS journal of surfaces and colloids, 29(9), 2955-2960 (2013-02-16)
Surface modifications of a Au(111) electrode with 4-bromobenzenediazonium tetrafluoroborate (BBD) in acetonitrile (ACN) and 0.1 M HClO4 have been characterized by scanning tunneling microscopy (STM). In ACN, STM results reveal the formation of disordered thin organic films. The involvement of
Electrochemical attachment of organic groups to carbon felt surfaces.
Coulon E, et al.
Langmuir, 17(22), 7102-7106 (2001)
Efficient access to perfluoroalkylated aryl compounds by Heck reaction.
Darses S, et al.
European Journal of Organic Chemistry, 2001(6), 1121-1128 (2001)
Younghee Park et al.
ACS applied materials & interfaces, 12(36), 40870-40878 (2020-08-19)
Although surface engineering has been regarded to be a great approach to modulate the optical and electrical properties of nanomaterials, the spontaneous covalent functionalization on semiconducting 2H-MoS2 is a notoriously difficult process, while several reactions have been performed on metallic
Tomonari Shiraishi et al.
Nanoscale, 9(43), 16900-16907 (2017-10-28)
Single-walled carbon nanotubes (SWNTs) with local chemical modification have been recognized as a novel near infrared (NIR) photoluminescent nanomaterial due to the emergence of a new red-shifted photoluminescence (PL) with enhanced quantum yields. As a characteristic feature of the locally
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