Molekula
Rojo de pirogalo para indicador de metales
Pyrogallol Red Metal Indicator
Certificado ISO 9001:2015 e ISO 14001:2015 · Suministro a laboratorios e industria desde el año 2000 · Certificado de Análisis (CoA) con cada lote
Pyrogallol Red Metal Indicator is a synthetic organic compound used primarily as a selective chelometric indicator in complexometric titrations, particularly for detecting calcium and magnesium ions in water hardness analysis. It forms a red-to-blue color transition at specific pH levels, aiding precise endpoint detection. This chemical has a CAS number of 32638-88-3, with the molecular formula C19H12O8S and a molecular weight of 400.36. It is stable under ambient storage conditions and carries no signal word. Molekula supplies Pyrogallol Red Metal Indicator from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Resumen
Pyrogallol Red Metal Indicator is a synthetic organic compound used primarily as a selective chelometric indicator in complexometric titrations, particularly for detecting calcium and magnesium ions in water hardness analysis. It forms a red-to-blue color transition at specific pH levels, aiding precise endpoint detection. This chemical has a CAS number of 32638-88-3, with the molecular formula C19H12O8S and a molecular weight of 400.36. It is stable under ambient storage conditions and carries no signal word. Molekula supplies Pyrogallol Red Metal Indicator from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Precios y tamaños de envase
Especificaciones
| Property | Value |
|---|---|
| Appearance | Dark red to dark green to brown or black powder |
| Loss on Drying | (110℃) ≤5.0% |
| Appearance of Solution | - |
| Suitability | (as indicator for metal titration) Conforms |
Almacenamiento y manejo
| Property | Value |
|---|---|
| Temperatura de Almacenamiento | Ambient |
| Acidez | Acid |
Identificación
| Property | Value |
|---|---|
| SKU | 90037927 |
| Número CAS | 32638-88-3 |
| Fórmula molecular | C19H12O8S |
| Peso molecular | 400.36 |
| SMILES | O=S1(=O)OC2(C3=CC=C(O)C(O)=C3OC4=C(O)C(O)=CC=C42)C=5C=CC=CC51 |
| Código REACH | Y113 |
| Incluido en el listado TSCA | Sí |
| Código HTS | 29349944 |
| Código arancelario | 2934999090 |
Seguridad y GHS
Declaraciones de precaución
- P280 Llevar guantes/prendas/gafas/máscara de protección.
- P308+313 EN CASO DE exposición manifiesta o presunta: Consultar a un médico.
- P314 Consultar a un médico en caso de malestar.
Documentos
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 Pyrogallol Red Metal Indicator used for?
Pyrogallol Red is primarily used as a metal indicator in complexometric titrations, particularly for detecting endpoints in chelatometric titrations of calcium, magnesium, and other divalent metals.
What is the chemical formula and molecular weight of Pyrogallol Red?
The chemical formula is **C₁₉H₁₂O₈S** and the molecular weight is **400.36 g/mol**.
How should Pyrogallol Red Metal Indicator be stored?
Store at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible substances.
What grade or purity is available for Pyrogallol Red?
Molekula supplies **analytical reagent (AR) grade** Pyrogallol Red, suitable for laboratory applications requiring high precision.
Can Molekula supply Pyrogallol Red in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for custom packaging and pricing.
What documentation comes with an order of Pyrogallol Red?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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