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Pyridinium tribromide

Product Name
Pyridinium tribromide
CAS No.
39416-48-3
Chemical Name
Pyridinium tribromide
Synonyms
PYRIDINIUM BROMIDE PERBROMIDE;PYRIDINIUM HYDROBROMIDE PERBROMIDE;PHBP;PYRIDINE HYDROBROMIDE PERBROMIDE;Pyridinium perbromide;PVPHP;PYRIDINIUM TRIBROMIDE;Pyridinium tribromider;pyridin-1-iuM tribroMide;Pyridinium Tribromide (>
CBNumber
CB1478015
Molecular Formula
C5H6Br3N-2
Formula Weight
319.82
MOL File
39416-48-3.mol
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Pyridinium tribromide Property

Melting point:
127-133 °C
Density 
2.9569 (rough estimate)
refractive index 
1.6800 (estimate)
storage temp. 
Store at <= 20°C.
solubility 
soluble in Methanol
form 
Powder, Crystals and/or Chunks
color 
Red-orange to red to brown
Water Solubility 
decomposes
Sensitive 
Lachrymatory
Merck 
14,7973
BRN 
3690144
Stability:
Stable. Incompatible with strong oxidizing agents, strong bases.
InChIKey
YPCPFIMBGJOEKU-UHFFFAOYSA-O
CAS DataBase Reference
39416-48-3(CAS DataBase Reference)
EPA Substance Registry System
Pyridinium hydrogen tribromide (39416-48-3)
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Safety

Hazard Codes 
C,Xi
Risk Statements 
37/38-34-36
Safety Statements 
26-36/37/39-45-24/25-27
RIDADR 
UN 3261 8/PG 2
WGK Germany 
3
F 
3
Hazard Note 
Lachrymatory
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29333100
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
133248
Product name
Pyridinium tribromide
Purity
technical grade, 90%
Packaging
25g
Price
$57.3
Updated
2024/03/01
Sigma-Aldrich
Product number
8.14345
Product name
Pyridinium bromide-perbromide
Purity
for synthesis
Packaging
50g
Price
$107
Updated
2024/03/01
Sigma-Aldrich
Product number
133248
Product name
Pyridinium tribromide
Purity
technical grade, 90%
Packaging
100g
Price
$114
Updated
2024/03/01
TCI Chemical
Product number
P0825
Product name
Pyridinium Bromide Perbromide
Purity
>85.0%(T)
Packaging
25g
Price
$36
Updated
2024/03/01
TCI Chemical
Product number
P0825
Product name
Pyridinium Bromide Perbromide
Purity
>85.0%(T)
Packaging
100g
Price
$95
Updated
2024/03/01
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Pyridinium tribromide Chemical Properties,Usage,Production

Chemical Properties

red crystals

Uses

Pyridine hydrobromide perbromide is used as a brominating reagent in alfa-bromination and alfa-thiocyanation of ketones, phenols, unsaturated and aromatic ethers. It is used as a raw material in the preparation of beta-adrenergic blocking agents. Furthermore, it is used as an analytical reagent.

Uses

Pyridinium Tribromide is a reagent used in the α-thiocyanation of ketones and has also been applied to the synthesis of β-adrenergic blocking agents (also known as β-blockers) for patients with heart failure.

Uses

In small-scale brominations, where it is much more convenient and agreeable to measure and use than elemental bromine.

Purification Methods

It is a very good brominating agent-liberating one mol of Br2. Purify it by recrystallisation from glacial acetic acid (33g from 100mL of AcOH) to give orange-red crystals. [Fieser & Fieser Reagents for Organic Chemistry 1 967 1967, Englert & McElvain J Am Chem Soc 51 865 1929, Beilstein 20 II 103, 20/5 V 181.]

Pyridinium tribromide Preparation Products And Raw materials

Raw materials

Government regulation

Preparation Products

2,3,4-Trimethoxyphenylboronic acid 4-Bromo-1-chloroisoquinoline
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Pyridinium tribromide Suppliers

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View Lastest Price from Pyridinium tribromide manufacturers

Hebei Longbang Technology Co., Ltd
Product
Pyridinium tribromide 39416-48-3
Price
US $6.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20TONS
Release date
2024-04-29
Hebei Saisier Technology Co., LTD
Product
Pyridinium tribromide 39416-48-3
Price
US $6.00/KG
Min. Order
1KG
Purity
More than 99%
Supply Ability
2000KG/MONTH
Release date
2024-04-17
Hebei Jingbo New Material Technology Co., Ltd
Product
Pyridinium tribromide 39416-48-3
Price
US $0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
1000000
Release date
2023-12-21

39416-48-3, Pyridinium tribromideRelated Search:

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  • 39416-48-3
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  • C5H6B3N
  • C5H5NHBrBr2
  • C5H5NHBr3
  • C5H5NxHBr3
  • C5H6NBrBr2
  • C5H6N3Br
  • C5H6Br3N
  • C5H6Br3N2