Tech Serve Solutions

Thallium(I) iodide

CAS 7790-30-9TlISalts

Thallium(I) iodide (TlI), CAS number 7790-30-9, is an inorganic compound with a molecular weight of 331.29 g/mol. Available as a powder, this thallium salt is supplied by Tech Serve Solutions at a 99.999% trace metals basis purity. Its unique properties lend it to specialised applications within materials science and research, particularly where precise elemental composition is critical.

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Thallium(I) iodide (TlI) — chemical structure, CAS 7790-30-9; Chemistry, fine chemical supplied by Tech Serve Solutions
Crystal Grade InorganicsEssential ChemicalsMaterials ScienceMetal and Ceramic ScienceResearch EssentialsSaltsThalliumThallium Salts
01 /Applications

Scintillation Detectors

Thallium-doped thallium iodide (CsI(Tl)) is a widely recognised scintillator material. It efficiently converts ionising radiation into light, making it valuable for detecting gamma rays and X-rays in various scientific and medical imaging applications.

Infrared Optics

Due to its transparency in the infrared spectrum, thallium(I) iodide can be used in optical components such as windows and prisms for infrared spectroscopy and thermal imaging systems.

Materials Science Research

As a high-purity inorganic compound, TlI serves as a research chemical for exploring novel materials and investigating solid-state physics phenomena, including crystallography and semiconductor properties.

02 /Properties
Molecular weight331.29
Linear formulaTlI
Assay99.999% trace metals basis
Formpowder
Density7.29 g/mL at 25 °C(lit.)
Melting point440 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Toxic (GHS06)
Toxic
GHS hazard pictogram: Health hazard (GHS08)
Health hazard
GHS hazard pictogram: Environmental hazard (GHS09)
Environmental hazard
Danger

Hazard statements

  • H300Fatal if swallowed
  • H330Fatal if inhaled
  • H373May cause damage to organs through prolonged exposure
  • H411Toxic to aquatic life with long-lasting effects

Precautionary statements

  • P260Do not breathe dust, fume, gas, mist, vapours or spray
  • P264Wash thoroughly after handling
  • P273Avoid release to the environment
  • P284Wear respiratory protection
  • P301IF SWALLOWED
  • P310Immediately call a POISON CENTER or doctor
Transport (UN / ADR)UN 1707 6.1 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)T+,N
Risk statements (R)26/28-33-51/53
Safety statements (S)13-28-45-61

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
7790-30-9
MDL number
MFCD00011279
PubChem substance
24853764
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Thallium(I) iodide used for?

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Thallium(I) iodide (TlI) is primarily utilised in scintillation detectors for radiation detection and in optical components for infrared applications. It is also employed as a research chemical in materials science.

What is the CAS number and formula for Thallium(I) iodide?

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The CAS number for Thallium(I) iodide is 7790-30-9, and its chemical formula is TlI.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Thallium(I) iodide with an assay of 99.999% on a trace metals basis. We do not represent this product as USP, BP, or EP grade.

How should Thallium(I) iodide be handled?

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Thallium(I) iodide is highly toxic if swallowed or inhaled and may cause long-term health effects. It is also toxic to aquatic life with long-lasting effects. Handle with extreme caution in a well-ventilated area, wearing appropriate personal protective equipment, including respiratory protection. Avoid release into the environment. Refer to the Safety Data Sheet for comprehensive handling instructions.

Is Thallium(I) iodide a controlled substance?

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While specific regulations vary by jurisdiction, thallium compounds are generally subject to strict controls due to their high toxicity. Please consult your local regulations regarding the possession and use of Thallium(I) iodide.

How is Thallium(I) iodide packed and shipped?

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Thallium(I) iodide is packed and shipped in compliance with UN 1707, Class 6.1, Packing Group II regulations for hazardous materials. TSS ensures all shipments adhere to international transport standards.

How can I request a quote or sample?

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To request a quote or a sample of Thallium(I) iodide, please contact the Tech Serve Solutions sales department through our website or by phone, providing your specific requirements.

Need Thallium(I) iodide in a specific grade or volume?