Description

Ruthenium Red Tetrahydrate is a distinctive, high-purity inorganic coordination compound widely recognized for its intense red color and specific biological staining properties. This product is essential for researchers and industrial chemists requiring a reliable and consistent source of this specialized ruthenium complex. It serves critical functions in life science research, materials science, and as a precursor for advanced catalytic systems. The compound is supplied with a CAS number of 12790-48-6.

Application

• Biological Research & Histology: Primarily used as a selective stain for pectin and calcium pectate in plant cell walls, and as a marker for certain calcium channels and mitochondrial calcium uniporter activity in cellular studies.
• Electron Microscopy: Employed as a contrasting agent to enhance the visualization of cellular structures and extracellular matrices in transmission electron microscopy (TEM).
• Catalysis Research: Acts as a precursor or model compound in the development of novel ruthenium-based catalysts for oxidation reactions and organic synthesis.
• Analytical Chemistry: Utilized in specific colorimetric assays and as a reagent for the detection of certain anions or biomolecules.
• Materials Science: Investigated for its electrochemical properties and potential application in the development of sensors, dyes, and functional coatings.
• Pharmaceutical Research: Studied for its biological activity and potential interactions in pharmacological models, particularly related to calcium homeostasis.

Basic Information

Product Name	Ruthenium Red Tetrahydrate
CAS No.	12790-48-6
Molecular Formula	Ru3O2(NH3)14Cl6 • 4H2O
Molecular Weight	786.35 g/mol (for tetrahydrate)
Synonyms	Ruthenium Red; Ammoniated Ruthenium Oxychloride; Ruthenium Oxychloride Ammoniated; C.I. 77800; Ruthenium, [[(diammine)ruthenio]diammine-μ-nitrido-nitrosylruthenium]chloride, tetrahydrate; Hexaammine-μ3-oxotriruthenium chloride; Ruthenium Red Staining Solution
EINECS	235-846-9

Quality Control

Our Ruthenium Red Tetrahydrate is manufactured under strict quality protocols to ensure batch-to-batch consistency and high chemical purity suitable for research and industrial applications. Each lot is analyzed against stringent in-house specifications, with key parameters including assay (ruthenium content), identity confirmation, and control of moisture. A comprehensive Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; prolonged exposure to air, moisture, or light may affect stability and color. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark reddish-brown to black crystalline powder
Identification (IR)	Conforms to structure
Assay (Ruthenium Content)	≥ 98.0%
Solubility (in Water)	Partially soluble, forms a deep red solution
Loss on Drying	≤ 12.0% (accounts for water of hydration)
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.