Chloroauric Acid CAS 16903-35-8

Chemical Name: Chloroauric Acid
CAS No.: 16903-35-8
Molecular Formula: AuCl4H
Molecular Weight: 339.79
Appearance: Powder

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Chloroauric Acid (CAS 16903-35-8) Comprehensive Guide

Table of Contents

1. Product Specifications & Comparative Analysis

Parameter Chloroauric Acid Alternative Gold Compounds
CAS Number 16903-35-8 Varies by compound
Molecular Formula HAuCl4 AuCl3, KAuCl4
Molecular Weight 339.79 g/mol 303.33 g/mol (AuCl3)
Appearance Golden-yellow crystals Dark red crystals (AuCl3)
Density 3.9 g/cm³ 4.7 g/cm³ (AuCl3)
Solubility Water: 230 g/100mL Variable solubility

2. Key Applications & Industrial Uses

Primary Applications:

  • Electroplating: Gold deposition in electronics manufacturing
  • Nanotechnology: Synthesis of gold nanoparticles for medical diagnostics
  • Analytical Chemistry: Quantitative analysis of rare alkali metals
  • Glass Industry: Production of ruby glass and specialty ceramics

3. Operational Best Practices

Handling Protocols:

  • Storage: Maintain at 2-8°C in amber glass containers
  • Safety: Use PPE including acid-resistant gloves and face shield
  • Neutralization: 5% sodium bicarbonate solution for spill control

4. Industry Case Studies

Case 1: Semiconductor Manufacturing
A leading microelectronics producer achieved 15% improvement in connector durability through optimized gold electroplating formulations.

Case 2: Biomedical Research
Research institution developed rapid COVID-19 test kits using gold nanoparticles synthesized from HAuCl4.

5. Client Success Stories

Client A: Advanced Materials Co.
“Consistent purity (99.99%) enabled 6-month production stability in MEMS fabrication.”

Client B: National Research Lab
“Batch-to-batch consistency improved experimental reproducibility in catalysis studies.”

6. Procurement Consultation

Contact our technical specialists for:

  • Custom concentration formulations (30-50% w/w)
  • Bulk order pricing (100kg+ quantities)
  • MSDS documentation & regulatory compliance

Email: info@vivalr.com
Phone: (86) 15866781826

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