Chem Explorers

Unlocking the Versatile Properties and Uses of Strontium Iodide

Strontium iodide is a salt compound formed by the combination of strontium and iodine. It is a deliquescent substance, which means it absorbs moisture in the air, turning into a solution.

Strontium iodide produces strontium oxide and iodine when dehydrated. This article will explore the chemical and physical properties of strontium iodide, including its appearance, odor, molar mass, melting and boiling points, density, and solubility.

Chemical Properties of Strontium Iodide

Strontium iodide has a CAS Number of 10476-80-7, molecular formula of SrI2, and a linear formula of SrI2 (H2O)6. In its hexahydrate form, strontium iodide has a crystal structure.

It is formed through the reaction of strontium and iodine, creating a white, crystalline solid compound.

Physical Properties of Strontium Iodide

Appearance and Odor

Strontium iodide appears as a colorless or white crystalline solid. It is odorless and has a molar mass of 391.0 g/mol.

Melting Point

The melting point of strontium iodide is 566 C (1,051 F). It is a highly soluble compound that forms a solution when exposed to moisture.

Boiling Point

The boiling point of strontium iodide is 1,265 C (2,309 F).

Density

The density of strontium iodide is 4.62 g/cm. It is a heavy compound that sinks in water.

Solubility

Strontium iodide is highly soluble in water and forms a clear solution. It is also soluble in ethanol, butanol, and methanol.

However, it is sparingly soluble in acetone, ether, and ammonia.

Uses of Strontium Iodide

Strontium iodide is used in various applications, including the production of scintillators, radiography, and phosphors. It is also used in the manufacture of fireworks to produce red colors.

Additionally, strontium iodide is utilized for nuclear medicine in the form of solid scintillators.

Precautions When Handling Strontium Iodide

Strontium iodide is a harmful substance that should be handled with care. It is toxic when ingested and can cause irritation when it comes into contact with the skin or eyes.

Additionally, it is a radioactive element and should be handled with the appropriate protective gear.

Conclusion

In conclusion, strontium iodide is a compound formed through the combination of strontium and iodine. It is a deliquescent substance that absorbs moisture and produces strontium oxide and iodine when dehydrated.

The physical properties of strontium iodide include its appearance, odor, molar mass, melting and boiling points, density, and solubility. Strontium iodide is used in the production of scintillators, radiography, and phosphors, as well as in the manufacture of fireworks and nuclear medicine.

When handling strontium iodide, it is important to take precautions to avoid harmful effects, as it is toxic when ingested and a radioactive element.

3) Preparation and Chemical Reactions

Synthesis of Strontium Iodide

Strontium iodide can be synthesized through a reaction between strontium carbonate and hydroiodic acid. The reaction equation is:

SrCO3 + 2HI SrI2 + H2O + CO2

The reactants are mixed and heated until no more gas is produced.

The resulting solution is left undisturbed until the strontium iodide crystallizes. During the reaction, a yellow color is observed due to the presence of iodine.

Strontium iodide can also be produced by the reaction between strontium hydroxide and hydroiodic acid.

Chemical Reactions Involving Strontium Iodide

Double Displacement Reaction

Strontium iodide can undergo a double displacement reaction with potassium sulfate, resulting in the formation of strontium sulfate and potassium iodide. The reaction equation is:

SrI2 + K2SO4 SrSO4 + 2KI

Precipitation Reaction

Strontium iodide can also undergo a precipitation reaction with lithium sulfide, forming lithium iodide and strontium sulfide. The reaction equation is:

SrI2 + Li2S 2LiI + SrS

Scintillator

Strontium iodide is commonly used as a scintillator in nuclear and medical applications. A scintillator is a material that emits light when exposed to ionizing radiation, such as alpha, beta, and gamma radiation.

Strontium iodide scintillators emit high-intensity light when exposed to gamma radiation, which makes them suitable in high-energy physics, nuclear medicine, and radiation detection applications. 4) Uses

Industrial and Medical Applications of Strontium Iodide

Scintillator

Strontium iodide scintillators are utilized in various fields, including nuclear physics, medical science, and space exploration. In nuclear physics, scintillators are used in experiments that require detecting high-energy particles such as gamma rays.

Strontium iodide scintillators provide high energy resolution, excellent stability, and high photoelectron yield, making them suitable for spectroscopy and imaging applications.

Gamma Radiation Detection

Strontium iodide scintillators are also widely used in gamma radiation detection. These devices can determine the intensity and direction of gamma radiation and can help prevent radiation exposure in hospitals, research facilities, and nuclear power plants.

Replacement for Potassium Iodide

Strontium iodide has been identified as a possible replacement for potassium iodide in radiation emergencies. Potassium iodide is widely used as a thyroid blocking agent in the event of a nuclear accident.

However, strontium iodide is more effective than potassium iodide in blocking radioactive substances that contain strontium. Furthermore, strontium iodide requires a lower dosage and presents fewer side effects than potassium iodide.

Commercial Growth

The increasing demand for scintillation detectors in various applications, including medical, industrial, and scientific, has driven the growth of the strontium iodide market. In recent years, the use of strontium iodide in gamma ray spectrometry and positron emission tomography (PET) has significantly increased.

Manufacturers are investing in the research and development of new strontium iodide-based scintillators to meet the growing demand for efficient radiation detection devices. In conclusion, strontium iodide is a useful compound with a wide range of applications in different fields.

Its chemical properties, physical properties, and preparation methods make it suitable for industrial and medical applications, such as scintillation detectors and radiation detection. Notably, the use of strontium iodide in scintillation detectors has rapidly increased in recent years, promising a growth in commercial demand.

Additionally, strontium iodide has been identified as a possible replacement for potassium iodide, which has opened up new research avenues in radiation medicine.

5) Health and Safety Information

Toxicity of Strontium Iodide and Safety Measures

Strontium iodide can be toxic if consumed, inhaled, or exposed for prolonged periods. It can result in eye irritation, skin irritation, and respiratory issues.

Ingestion of strontium iodide can cause nausea, vomiting, abdominal pain, and diarrhea. Inhalation of strontium iodide can lead to respiratory distress, coughing, and pneumonia.

Prolonged exposure to strontium iodide can cause bone disease, cancer, and genetic damage. It is crucial to follow precautionary measures when handling and using strontium iodide.

A NIOSH-approved respirator should be used to prevent inhalation of dust and aerosols. Protective gloves, clothing, and eyewear are also necessary.

If exposed to strontium iodide, remove contaminated clothing, and wash affected areas immediately with soap and water. Seek medical attention if symptoms persist.

6) Strontium Iodide Availability

Suppliers of Strontium Iodide

Strontium iodide is available from various suppliers worldwide, with different grades and quantities. Some of the notable suppliers include:

Hangzhou Dayangchem Co. Ltd.

Hangzhou Dayangchem Co. Ltd. is a supplier of a wide range of chemicals and chemical formulations.

The company offers strontium iodide in different grades, including analytical grade, reagent grade, and technical grade.

IBIS Chemie International

IBIS Chemie International supplies chemicals, intermediates, and related products worldwide. The company offers strontium iodide in various forms, including powder, crystal, and lumps.

Amadis Chemical Co. Ltd. Amadis Chemical Co. Ltd.

is a leading supplier of research chemicals, biochemicals, and related products. The company provides strontium iodide in different grades suitable for research, development, and commercial production.

Chemos GmbH & Co. KG

Chemos GmbH & Co. KG is a supplier of high-quality chemicals and related products. The company offers strontium iodide in different grades, including ACS, reagent, and technical grade.

Additionally, Chemos provides customized packaging and labeling to meet customer requirements. Santa Cruz Biotechnology Inc.

Santa Cruz Biotechnology Inc. supplies a wide range of chemicals, antibodies, and related products for research and development applications.

The company offers strontium iodide in technical and analytical grades suitable for research and development.

Conclusion

The availability of strontium iodide from various suppliers worldwide highlights the versatility and significance of this compound in different fields. However, handling and using strontium iodide requires careful attention to precautionary measures to avoid exposure and resulting health problems.

The appropriate use of respirators, protective gear, and proper disposal of the chemical waste are necessary. When sourcing strontium iodide from suppliers, it is essential to consider quality, quantity, grade, and storage requirements to ensure reliable and efficient applications.

Strontium iodide is a versatile and useful compound with a wide range of applications, including scintillation detectors, radiation detection, and as a possible replacement for potassium iodide in radiation emergencies. However, handling and using strontium iodide requires careful attention to precautionary measures to avoid exposure and resulting health problems.

The appropriate use of respirators, protective gear, and proper disposal of the chemical waste are necessary. The availability of strontium iodide from various suppliers worldwide highlights the significance of this compound in different fields.

FAQs:

Q: What are the applications of strontium iodide? A: Strontium iodide is used in scintillation detectors, radiation detection, and as a possible replacement for potassium iodide in radiation emergencies.

Q: How do I handle and use strontium iodide safely? A: It is essential to follow precautionary measures when handling and using strontium iodide, such as wearing a NIOSH-approved respirator, protective gloves, clothing, and eyewear, and disposing of chemical waste properly.

Q: What are the health concerns with strontium iodide exposure? A: Prolonged exposure to strontium iodide can cause bone disease, cancer, and genetic damage.

Ingestion of strontium iodide can cause nausea, vomiting, abdominal pain, and diarrhea, while inhalation can lead to respiratory distress, coughing, and pneumonia. Q: Where can I source strontium iodide from?

A: Strontium iodide is available from various suppliers worldwide, such as Hangzhou Dayangchem Co. Ltd.,

IBIS Chemie International, Amadis Chemical Co. Ltd., Chemos GmbH & Co. KG, Santa Cruz Biotechnology Inc.

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