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HomeProduct name listStrontium bromide

Strontium bromide

  • CAS NO.:10476-81-0
  • Empirical Formula: Br2Sr
  • Molecular Weight: 247.43
  • MDL number: MFCD00049548
  • EINECS: 233-969-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:07:02
Strontium bromide Structural

What is Strontium bromide?

Description

Strontium bromide has the formula SrBr2. At room temperature, it is a white, odorless, crystalline powder with the molecular weight of 247.43 g/mol. Strontium bromide burns bright red in a flame test. It is used in flares and also has some pharmaceutical uses. Several hydrates have been characterized including the monohydrate and the hexahydrate, SrBr2·6H2O. This salt is a white, hygroscopic powder soluble in water and alcohol. It loses water at 180°C, melts at 643°C and is used in medicine and as an analytical reagent.
The anhydrate, SrBr2, is a colorless, transparent, crystal, odorless, having a bitter, saline taste. It is very deliquescent and soluble in water and is readily soluble in alcohol and amyl alcohol. The specific gravity of SrBr2 is 4.210 g/cm3. It can be prepared by treating SrCO3 with a hydrogen bromide solution. Alternatively, a strontium salt (carbonate, sulfate, chloride, etc.) is treated with bromine or hydrobromic acid in presence of a reducing agent.

Chemical properties

White crystalline powder

The Uses of Strontium bromide

Strontium bromide are colorless crystals made by neutralizing hydrobromic acid with strontium hydrate. The crystals are soluble in water but less so in alcohol. Strontium bromide was occasionally used to increase contrast in collodion emulsions.

The Uses of Strontium bromide

Reagent for facile synthesis of poly(phenylcarbyne), a precursor to diamond-like carbon.1

The Uses of Strontium bromide

Also has some pharmaceutical uses

Hazard

Toxic by ingestion and inhalation.

Purification Methods

Crystallise the bromide from water (0.5mL/g). It is deliquescent. [Ehrlich in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 930 1963.]

Properties of Strontium bromide

Melting point: 643°C
Density  4,216 g/cm3
form  powder
color  White
Specific Gravity 4.216
Water Solubility  Soluble in water, carbinol, ethanol, amyl alcohol. Insoluble in ether.
Sensitive  Hygroscopic
Merck  14,8837
Stability: hygroscopic
CAS DataBase Reference 10476-81-0(CAS DataBase Reference)
EPA Substance Registry System Strontium bromide (SrBr2) (10476-81-0)

Safety information for Strontium bromide

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Strontium bromide

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