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7789-38-0

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Identification

Name
Sodium bromate
CAS
7789-38-0
Synonyms
Bromicacid sodium salt
BROMIDE
BROMIDE ION CHROMATOGRAPHY STANDARD
BROMIDE STANDARD
BROMIDE STANDARD SOLUTION
SODIUM BROMATE
SODIUM BROMIDE
SODIUM BROMIDE 40
SODIUM BROMIDE 45
bromatedesodium
bromatedesodium[french]
dyetone
neutralizerk-126
neutralizerk-140
neutralizerk-938
SODIUM BROMATE, 99+%
SODIUM BROMATE EXTRA PURE
SodiumBromate99%Min
SodiumBromateNaBrO3
Sodium bromate, extra pure, 99+%
EINECS(EC#)
231-830-3
Molecular Formula
BrNaO3
MDL Number
MFCD00003475
Molecular Weight
150.89
MOL File
7789-38-0.mol

Chemical Properties

Appearance
Sodium bromate is a colorless or white crystalline solid. Odorless.
Appearance
white crystals
mp 
755 °C(lit.)

bp 
1390 °C
density 
3.339 g/mL at 25 °C(lit.)

vapor pressure 
1 mm Hg ( 806 °C)

refractive index 
1.594
solubility 
H2O: 1 M at 20 °C, clear, colorless

Stability:
Stable. Oxidizer. Incompatible with finely powdered metals, alcohols, strong acids, strong reducing agents.
Water Solubility 
364 g/L (20 ºC)
Merck 
14,8593
CAS DataBase Reference
7789-38-0(CAS DataBase Reference)
EPA Substance Registry System
7789-38-0(EPA Substance)

Safety Data

Hazard Codes 
O,Xn,Xi
Risk Statements 
R8:Contact with combustible material may cause fire.
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R9:Explosive when mixed with combustible material.
R36/37:Irritating to eyes and respiratory system .
Safety Statements 
S17:Keep away from combustible material .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
RIDADR 
UN 1494 5.1/PG 2

WGK Germany 
3

RTECS 
VZ3150000


3
Hazard Note 
Oxidising Agent/Harmful
HazardClass 
5.1
PackingGroup 
II
HS Code 
28299000
Safety Profile
Poison by ingestion, intravenous, subcutaneous, and intraperitoneal routes. A powerful oxidizer. Violent reactions with Al, As, C, Cu, oil, F2, metal sulfides, organic matter, P, S. lxtures with grease are shock-sensitive explosives at 120’C. When heated to decomposition it emits toxic fumes of Na2O and Br-. See also BROMATES.
Hazardous Substances Data
7789-38-0(Hazardous Substances Data)

Raw materials And Preparation Products

Hazard Information

General Description
A white crystalline solid. May explode under prolonged exposure to heat or fire. Used in chemical analysis.
Reactivity Profile
SODIUM BROMATE(7789-38-0) is an oxidizing agent. May react violently with combustibles and reducing agents. Reacts with textiles, oil, fat, grease, sugar, sawdust and ammonium salts, carbon, phosphorus, metal powders and sulfides with hazard of fire and explosion [Handling Chemicals Safely 1980 p. 831]. A mixture of finely divided aluminum with finely divided SODIUM BROMATE(7789-38-0) explodes by heat, percussion, and friction [Mellor 2:310 1946-47].
Air & Water Reactions
Water soluble.
Hazard
Oxidizing material, dangerous fire risk near organic materials. Toxic by ingestion.
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.
Potential Exposure
Used for research and development; as an analytical reagent; for separating gold from ores; making vat dyes; boiler cleaning.
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.
First aid
Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. Contaminated clothing may be a fire risk when dry. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. Keep victim warm and quiet. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves.
Shipping
UN1494 Sodium bromate, Hazard Class: 5.1; Labels: 5.1-Oxidizer. UN1450 Bromates, inorganic, n.o.s., Hazard Class: 5.1; Labels: 5.1-Oxidizer, Technical Name Required.
Incompatibilities
Dust may form explosive mixture with air. A strong oxidizer capable of increasing the intensity of an existing fire. Can react, possibly violently, with combustible, organic, or other oxidizable materials, alcohols, glycols, reducing agents, strong acids, finely divided metals, especially aluminum. Contamination with carbon, organic matter, and finely divided metal can cause sodium bromate become shock-sensitive. Decomposes at 381C. Sodium bromate may explode in heat of fire.
Waste Disposal
SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material’s impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations. See also Sigma-Aldridge data sheet (Sodium Bromate .99%).

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