13967-90-3 Usage
Description
Barium bromate, with the chemical formula Ba(BrO3)2, is a white crystalline solid or powder that is slightly soluble in water and denser than water. It is very toxic by ingestion or inhalation and poses a fire hazard when in contact with organic materials, potentially exploding when heated above 300°F. Barium bromate is used in various applications, including as a corrosion inhibitor, oxidizing agent, and chemical reagent, as well as in the manufacturing of other chemicals and bromate salts.
Uses
1. Used in Chemical Industry:
Barium bromate is used as a raw material for the production of other bromate salts, such as alkali metal bromates, which are extensively utilized in various industrial applications.
2. Used as an Oxidizing Agent:
Barium bromate serves as an oxidizing agent in chemical reactions, facilitating the oxidation process of other substances.
3. Used as a Corrosion Inhibitor:
Barium bromate is employed as a corrosion inhibitor to prevent rust and protect materials from corrosion.
4. Used as an Analytical Reagent:
Barium bromate is utilized as an analytical reagent in various laboratory and industrial analyses, providing valuable information about the composition and properties of different substances.
5. Used in Manufacturing Other Chemicals:
Barium bromate is used in the manufacturing process of other chemicals, such as HBrO3, a colorless liquid that is formed by the addition of dilute sulfuric acid to barium bromate. HBrO3 is a strong acid that dissociates extensively in aqueous solutions.
6. Used in Scientific Research:
The scientific literature contains a few studies on barium bromate, primarily due to its industrial applications and interest in preparing other bromate salts. This research contributes to the understanding of barium bromate's properties and potential applications.
Preparation
Barium Bromate may be prepared by reaction of the hydroxide with
sodium bromate:
Ba(OH)2＋ 2NaBrO3→Ba(BrO3)2＋ 2NaOH
Barium bromate is relatively insoluble, and has
a value of 0.782 g/100 ml of water at 298 K,if recrystallized, it forms a monohydrate,
Ba(BrO3)2·H2O, which occurs as white or colorless, prismatic
crystals.
A new and general method of inducing a precipitation from homogeneous solution has been applied to the separation of barium and strontium. The precipitation of barium bromate, a water-soluble compound, is brought about by a gradual change in the composition of the solvent media. An organic compound, such as methanol or tetrahydrofuran, is allowed to diffuse into the original water solution, thus slowly converting the solution into a water organic mixture. Strontium bromate is about 40 times more soluble in water than barium bromate. The increased solubility plus the greater stability of the strontium MEDTA chelate tend to hold the strontium in solution. The chief advantage of this method over the separation of Sr from Ba by precipitation of barium chromate is in the preparation of barium compounds. Usually, barium must be separated from the chromate before proceeding. However, barium bromate can be easily converted to the oxide, eliminating this separation step.
Air & Water Reactions
Slightly soluble in water.
Reactivity Profile
BARIUM BROMATE is an oxidizing agent. May react violently with combustibles and reducing agents such as textiles, oil, fat, sugar, sawdust, ammonium salts, sulfur, carbon, phosphorus, metal powders and sulfides. A combination of finely divided aluminum with finely divided BARIUM BROMATE can explode by heat, percussion, or friction [Mellor 2:310 1946-47].
Hazard
A poison. Moderate fire risk in contact with
organic materials.
Health Hazard
Toxic by ingestion. Inhalation of dust is toxic. Fire may produce irritating, corrosive and/or toxic gases. Contact with substance may cause severe burns to skin and eyes. Runoff from fire control or dilution water may cause pollution.
Fire Hazard
These substances will accelerate burning when involved in a fire. May explode from heat or contamination. Some may burn rapidly. Some will react explosively with hydrocarbons (fuels). May ignite combustibles (wood, paper, oil, clothing, etc.). Containers may explode when heated. Runoff may create fire or explosion hazard.
Safety Profile
Very toxic. Fire hazard
by chemical reaction with easily oxidued
materials. Explodes at 300℃. Mmures with
sulfur are unstable storage hazards; igniting
immediately at 91 ℃ and after a 2-1 1 day
delay period at room temperature.
Incompatible with Al, As, C, Cu, metal
sulfides, organic matter, P, and reducing
materials. When heated to decomposition it
emits toxic fumes of Br-. See also BARIUM
COMPOUNDS (soluble) and BROMINE.
Potential Exposure
This material is used as an analytical
reagent, oxidizer and corrosion inhibitor.
Shipping
UN2719 Barium bromate, Hazard Class: 5.1;
Labels: 5.1—Oxidizer, 6.1—Poisonous materials.
Incompatibilities
A strong oxidizer; keep away from
reducing agents. Keep away from oxidizable materials; aluminum,
arsenic, carbon, copper, metal sulfides; phosphorus,
sulfur, organic, and combustible materials (such as wood,
paper, oil, fuels), since violent reactions occur.
Check Digit Verification of cas no
The CAS Registry Mumber 13967-90-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,6 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 13967-90:
(7*1)+(6*3)+(5*9)+(4*6)+(3*7)+(2*9)+(1*0)=133
133 % 10 = 3
So 13967-90-3 is a valid CAS Registry Number.
InChI:InChI=1/Ba.2BrHO3/c;2*2-1(3)4/h;2*(H,2,3,4)/q+2;;/p-2
