Tellurium Chloride, Tellurium Tetrachloride, 10026-07-0

Tellurium Chloride, Tellurium Tetrachloride, 10026-07-0

📑 Tellurium(IV) Chloride (TeCl₄)

1. General Information

• CAS No: 10026-07-0

• Chemical Formula: TeCl₄

• Molecular Weight: 269.4 g/mol

• EC Number: 233-059-9

• Packaging Types: Sealed glass bottles, ampoules, laboratory jars

2. Technical Properties

• Form: White to pale yellow crystalline solid

• Purity: ≥99% (analytical grade)

• Melting Point: ~224 °C

• Boiling Point: ~380 °C (decomposes)

• Solubility: Hydrolyzes in water, soluble in organic solvents (benzene, chloroform)

• Stability: Moisture sensitive, decomposes to tellurium dioxide and hydrochloric acid

3. Detailed Applications

• Intermediate in tellurium chemistry

• Catalyst in organic synthesis

• Used in semiconductor and materials research

• Precursor for tellurium-containing compounds

4. Production Method / Sources

• Produced by direct reaction of tellurium with chlorine gas

• Laboratory synthesis via chlorination of tellurium dioxide

5. Sectoral Suitability Table

6. Mandatory Processes

• REACH registration required for EU trade

• Classified as hazardous substance under CLP/GHS

7. Other Names

• International: Tellurium tetrachloride

• Synonyms: TeCl₄, Tellurium chloride (IV)

8. Alternative Products / Substitutes

• Tellurium dioxide (TeO₂) – optical materials

• Selenium tetrachloride (SeCl₄) – chemical analogue

9. Regulatory & Compliance

• REACH: Registration required

• ISO: Rare element compound standards

• Import/Export: Controlled due to toxicity and hazardous classification

10. Safety & MSDS Summary

• GHS Symbols: ☣️ GHS06 (Toxic), ⚠️ GHS07 (Irritant)

• Hazards: Toxic if inhaled or ingested, corrosive to skin and eyes

• Storage: Airtight, moisture-free containers

• Transport: Classified as hazardous material

• PPE: Gloves, goggles, respirator

11. Market & Commercial Information

• Packaging: Sealed ampoules, laboratory jars

• Main Producer Countries: China, USA, Europe (specialty labs)

• Brands: Sigma-Aldrich, Alfa Aesar, American Elements

12. Quality & Analytical Data

• Purity: ≥99%

• Form: Crystalline solid

• Tests: ICP-MS for trace metals, XRD for crystal structure, titration for chloride content

13. Environmental & Sustainability Aspects

• Toxic to aquatic life

• Requires special disposal procedures

• Recycling possible via recovery of tellurium from electronic waste

14. Visual Support

• GHS pictograms (Toxic, Irritant)

• Packaging visuals (sealed ampoules)

• Sector suitability table