60539

Potassium tellurite

≥95.0% (calc. on dry substance, RT)

• Synonym(s): Dipotassium tellurite
• Empirical Formula (Hill Notation): K₂TeO₃
• CAS Number: 7790-58-1
• Molecular Weight: 253.79
• EC Number: 232-213-1
• MDL number: MFCD09744672
• UNSPSC Code: 41171614
• PubChem Substance ID: 24881909
• NACRES: NA.23

Properties

• assay: ≥95.0% (calc. on dry substance, RT)
• form: solid
• SMILES string: O=[Te](O)O
• InChI: 1S/H2O3Te/c1-4(2)3/h(H2,1,2,3)
• InChI key: SITVSCPRJNYAGV-UHFFFAOYSA-N

Description

General description

Potassium tellurite (K₂TeO₃) is an inorganic compound consisting of potassium and tellurite ions. It appears as a white crystalline solid and is soluble in water. The compound is primarily used in various industrial and laboratory applications, including as a reagent in chemical synthesis and as an antimicrobial agent. It also exhibits significant optical properties, which are leveraged in the development of advanced optical materials and devices. Additionally, potassium tellurite is used in the synthesis of tellurium-based nanomaterials, which have applications in electronics and photonics.

Application

Potassium tellurite can be used as a precursor in the synthesis of tellurium-based thin-film solar cells. Its role in the formation of tellurium compounds can enhance the efficiency of photovoltaic devices. Additionally, potassium tellurite is also used in the synthesis of tellurium nanostructures, which have potential applications in electronics, sensors, and catalysis due to their unique optical and electronic properties.

Safety Information

• pictograms: GHS06
• signalword: Danger
• hcodes: H301,H315,H319,H335
• pcodes: P261 - P264 - P271 - P301 + P310 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges