Stannous Chloride | 10025-69-1

Description :

Stannous Chloride (SnCl2): High-Purity Reducing Agent

Stannous Chloride (also known as Tin(II) Chloride) is a versatile, white crystalline compound primarily recognised for its potent reducing properties. Whether utilised in high-precision analytical chemistry or large-scale industrial electroplating, SnCl2 is an industrial chemical for modern manufacturing.

Technical Specifications & Properties

Understanding the chemical behaviour of Stannous Chloride is essential for its application as a reduction agent.

• CAS Number: 7772-99-8
• Molecular Weight: 189.60 g/mol
• Appearance: White to slightly yellowish crystalline solid
• Solubility: Highly soluble in water, ethanol, and acetone. Note: In dilute aqueous solutions, it may form insoluble basic salts (oxychlorides) unless stabilised with Hydrochloric Acid.
  
  
  

Key Industrial Applications

1. Electroplating & Metal Surface Treatment

In the metal finishing industry, Stannous Chloride is the preferred source of tin ions for acid tin plating baths. It ensures a uniform, corrosion-resistant coating on steel and copper components.

2. Chemical Synthesis (Organic & Inorganic)

As a powerful electron donor, it is a staple in organic labs for:

• The Stephen Reduction: Converting nitriles into aldehydes.
• Reducing Nitro Compounds: Specifically, turning aromatic nitro groups into amines.
• Catalysis: Serving as a catalyst in the production of polylactic acid (PLA) plastics.
  
  

3. Analytical Chemistry & Laboratory Use

SnCl2 is frequently used as a sensitising agent in the silvering of mirrors and as a reagent in the Gutzit test for arsenic.

Safety, Handling, and Storage

Because Stannous Chloride is corrosive and sensitive to moisture, proper management is critical:

• Protective Equipment: Always wear nitrile/chemical-resistant gloves, safety goggles, and a lab coat.
• Ventilation: Use only in well-ventilated areas or under a fume hood to prevent inhalation of acidic dust.
• Incompatibility: Do not store near oxidising agents (e.g., Potassium Chromate or Nitrates), as violent exothermic reactions can occur.
• Storage: Keep in airtight, moisture-proof containers. Stannous Chloride is hygroscopic and will degrade if exposed to humid air.
  
  
  

Global Supply by ChemicalBull

As a leading Stannous Chloride manufacturer and exporter, ChemicalBull provides high-purity solutions tailored for the US, UK, and Indian markets.

• Quality Assurance: Each batch is accompanied by a Certificate of Analysis (COA) and Technical Data Sheet (TDS).
• Flexible Packaging: Available in lab-scale quantities or bulk industrial drums for export.
• Regulatory Compliance: Full MSDS (Material Safety Data Sheet) documentation provided to ensure safe transit and workplace compliance.
  
  
  

Frequently Asked Questions (FAQs)

1. What is the difference between Stannous and Stannic Chloride?
   

   Stannous Chloride (SnCl2) is Tin in the +2 oxidation state and acts as a reducing agent. Stannic Chloride (SnCl4) is Tin in the +4 state and acts as a Lewis acid.
   
   

2. Where can I buy Stannous Chloride in bulk?
   

   ChemicalBull is a reliable global distributor supplying high-purity Stannous Chloride for industrial use.
   
   

3. Is Stannous Chloride hazardous to handle?
   

   Yes, Stannous Chloride is classified as corrosive and an irritant. It can cause skin burns and serious eye damage. It is also toxic to aquatic life. Always use PPE (nitrile gloves, goggles, and a fume hood) and refer to the MSDS for specific spill and first-aid protocols.
   
   

4. What are the primary industrial uses for Stannous Chloride?

   It is widely used in electroplating (tin-plating steel), as a sensitizer in mirror manufacturing, and as a mordant in textile dyeing. In chemistry, it is the key reagent for the Stephen Reduction (converting nitriles to aldehydes).
   
   

5. Is Stannous Chloride a strong reducing agent?

   Yes, it is one of the most common reducing agents in organic chemistry. It is famously used in the Stephen Reduction to convert nitriles into aldehydes and in the selective reduction of aromatic nitro groups to anilines. Its ability to readily donate electrons makes it highly effective in these redox reactions.