Molekula
Telurito potásico
Potassium tellurite
Certificado ISO 9001:2015 e ISO 14001:2015 · Suministro a laboratorios e industria desde el año 2000 · Certificado de Análisis (CoA) con cada lote
Potassium tellurite is an inorganic compound containing potassium, tellurium, and oxygen, primarily used as a selective nutrient in microbiological media to inhibit bacterial growth while supporting fungal development. It is also employed in analytical chemistry for trace metal analysis. This chemical has a CAS number of 7790-58-1, with the molecular formula K2TeO3 and a molecular weight of 253.79. It should be stored at ambient conditions and handled with caution, as it carries a "Danger" signal word. Molekula supplies Potassium tellurite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Resumen
Potassium tellurite is an inorganic compound containing potassium, tellurium, and oxygen, primarily used as a selective nutrient in microbiological media to inhibit bacterial growth while supporting fungal development. It is also employed in analytical chemistry for trace metal analysis. This chemical has a CAS number of 7790-58-1, with the molecular formula K2TeO3 and a molecular weight of 253.79. It should be stored at ambient conditions and handled with caution, as it carries a "Danger" signal word. Molekula supplies Potassium tellurite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Precios y tamaños de envase
Especificaciones
| Property | Value |
|---|---|
| Appearance | Off white powder |
| Chloride (Cl-) | ≤ 0.01% |
| Purity | ≥ 98.0% |
| Iron (Fe) | ≤ 0.01% |
| Identification (IR) | Conforms to Reference |
| Sodium (Na) | ≤ 0.03% |
| Sulphates (SO4)(2-) | ≤ 0.02% |
Almacenamiento y manejo
| Property | Value |
|---|---|
| Temperatura de Almacenamiento | Ambient |
| Clase de transporte | 6.1 |
| Grupo de empaquetado | III |
| Acidez | Neutral |
Identificación
| Property | Value |
|---|---|
| SKU | 90021880 |
| Número CAS | 7790-58-1 |
| Fórmula molecular | K2TeO3 |
| Peso molecular | 253.79 |
| SMILES | [K].O=[Te](O)O |
| Número EC / UN | 3284 |
| Código REACH | Y110 |
| Incluido en el listado TSCA | Sí |
| Código HTS | 28429010 |
| Código arancelario | 2842901090 |
Seguridad y GHS
-
Toxic
GHS06
Declaraciones de peligro
- H301 Tóxico en caso de ingestión.
- H315 Provoca irritación cutánea.
- H319 Provoca irritación ocular grave.
- H335 Puede irritar las vías respiratorias.
Declaraciones de precaución
- P261 Evitar respirar el polvo/el humo/el gas/la niebla/los vapores/el aerosol.
- P280 Llevar guantes/prendas/gafas/máscara de protección.
- P301+310 EN CASO DE INGESTIÓN: Llamar inmediatamente a un CENTRO DE TOXICOLOGÍA/médico/...
- P301+330 EN CASO DE INGESTIÓN: enjuagar la boca. **NO PROVOQUE EL VÓMITO**.
- P302+352 EN CASO DE CONTACTO CON LA PIEL: Lavar con abundante agua/...
- P305+351+338 EN CASO DE CONTACTO CON LOS OJOS: Aclarar cuidadosamente con agua durante varios minutos. Quitar las lentes de contacto, si lleva y resulta fácil. Seguir aclarando.
Documentos
Fichas de Datos de Seguridad (FDS)
Disponible en English, French, German, Italian, Russian, Spanish.
Certificado de Análisis (CoA) por lote
Introduzca un número de lote o partida para recuperar el informe de análisis (CoA) correspondiente a esa partida específica. Podemos generar uno a partir de los datos de especificación si no hay ningún PDF disponible.
Sinónimos
No se han registrado nombres alternativos para este producto.
Preguntas frecuentes
What is potassium tellurite (K₂TeO₃) commonly used for?
Potassium tellurite is primarily used in analytical chemistry as a reagent for detecting and quantifying certain organic compounds, including in microbiological assays (e.g., inhibiting fungal growth) and as a precursor in semiconductor and optical material synthesis.
What is the molecular formula and molecular weight of potassium tellurite?
The molecular formula is **K₂TeO₃**, and the molecular weight is **253.79 g/mol**.
How should potassium tellurite be stored?
Store potassium tellurite at **ambient temperature** in a tightly sealed container, away from moisture and incompatible substances. Handle with care—it is classified as **Danger** under GHS.
What grades or purities of potassium tellurite does Molekula supply?
Molekula supplies potassium tellurite in **analytical reagent (AR) grade** for laboratory use. Bulk or custom purities may be available upon request—please inquire for specifications.
Can Molekula supply potassium tellurite in bulk quantities?
Yes, Molekula can supply potassium tellurite in **bulk quantities** (e.g., 5 kg, 25 kg, or larger), depending on stock and lead time. Contact our sales team for pricing and availability.
What documentation comes with a potassium tellurite order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and **batch-specific documentation** for traceability. Additional certifications (e.g., purity verification) can be provided upon request.
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