7486-26-2

Basic information

• Product Name: Sodium bromite
• Synonyms: bromousacid,sodiumsalt;Sodium bromite;Bromous acid, sodium salt (1:1);Einecs 231-290-9;Bromous acid
• CAS NO: 7486-26-2
• Molecular Formula: BrO₂*Na
• Molecular Weight: 134.89
• EINECS: 231-290-9
• Mol File: 7486-26-2.mol
• Article Data: 2

Chemical Properties

• Appearance: white crystal
• CAS DataBase Reference: Sodium bromite(CAS DataBase Reference)
• NIST Chemistry Reference: Sodium bromite(7486-26-2)
• EPA Substance Registry System: Sodium bromite(7486-26-2)

Safety Data

• Hazardous Substances Data: 7486-26-2(Hazardous Substances Data)

Usage

Uses

Different sources of media describe the Uses of 7486-26-2 differently. You can refer to the following data:
1. NaBrO2
2. Sodiumbromite is used in preparation method of high-purity sodium bromite aqueous solution.

Preparation

Bromous acid can thus be produced by a classical chemical or an electrochemical method in which hypobromite is oxidized to the bromite anion: HBrO＋ HClO→HBrO2＋ HCl or HBrO＋ H2O＋ e- →HBrO2＋ H2 Also disproportioning of hypobromous acid will give bromous acid and hydrobromic acid: 2HBrO＋ heat→HBrO2＋ HBr In addition, a rearrangement reaction of bromic acid and hydrobromic acid will produce bromous acid: 2HBrO3＋ HBr→3HBrO2

InChI:InChI=1/BrHO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1

Upstream product

• 7726-95-6 bromine 
• 1310-73-2 sodium hydroxide 
• 21255-83-4 bromine dioxide 
• 7757-82-6 sodium sulfate 

Downstream Products

• 15656-19-6 hypobromous acid 
• 15541-45-4 bromate 
• 7726-95-6 bromine 
• 14332-21-9 hypoiodous acid 

Relevant articles and documents

Bromite ion catalysis of the disproportionation of chlorine dioxide with nucleophile assistance of electron-transfer reactions between ClO2 and BrO2 in basic solution

The rate of ClO2 conversion to ClO2- and ClO3- is accelerated by BrO2-, repressed by ClO2-, and greatly assisted by many nucleophiles (Br- > PO43- > HPO42- > CO32- > Cl- ～ OH- > CH3COO- ～ SO42- C5H5N ? H2O). The kinetics (at p[H+] = 9.3-12.9) show that the first step of the mechanism is an electron transfer between ClO2 and BrO2- (k1 = 36 M-1 s-1) to give ClO2- and BrO2. This highly reversible reaction (k1/k-1 = 1 × 10-6) accounts for the observed inhibition by ClO2-. The second step is an electron transfer between ClO2 and BrO2 to regenerate BrO2- and form ClO3-. A novel aspect of the second step is the large kinetic contribution from nucleophiles (kNu) that assist the electron transfer between ClO2 and BrO2. The kNu (M-2 s-1) values at 25.0 °C vary from 2.89 × 108 for Br- to 2.0 × 104 for H2O.