Nickel ammonium sulfate Cas 15699-18-0

Chemical Name: Nickel ammonium sulfate
Cas No.: 15699-18-0
Molecular Fomula: H8N2NiO8S2
Molecular Weight: 286.9
Appearance: White powder

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Table of Contents

Nickel Ammonium Sulfate (CAS 15699-18-0): Technical Profile

Synonyms: Ammonium nickel sulfate hexahydrate, Nickel alum

Molecular Formula: NiSO₄·(NH₄)₂SO₄·6H₂O

Parameter Specification
Appearance Green crystalline powder
Nickel Content ≥14.8%
Solubility (20°C) 68.3 g/100ml H₂O
pH (1% solution) 3.5-4.5
Density 1.924 g/cm³

Comparative Analysis with Nickel Salts

Property Ni Ammonium Sulfate Nickel Sulfate Nickel Chloride
Solubility High Moderate Very High
pH Stability 3.5-6.0 2.0-4.0 1.5-3.5
Metallic Yield 92-95% 88-90% 85-88%

Industrial Applications

1. Electroplating Solutions

Primary use in nickel electroplating baths for:

  • Automotive component coatings
  • Electronics connector plating
  • Decorative finishes with high reflectivity

2. Catalyst Production

Key precursor for:

  • Hydrogenation catalysts in petrochemical refining
  • Methanation catalysts for syngas processing

3. Analytical Chemistry

  • Standard reagent for nickel quantification (ICP-MS)
  • Buffer solution component in electrochemical analysis

Documented Client Success Stories

Case 1: High-Purity Plating Solutions (2023)

Client: German Automotive Supplier

Challenge: Required <2ppm impurity levels for EV battery connectors

Solution: Custom purification process achieving 0.8ppm metallic impurities

Case 2: Catalyst Manufacturing Scale-Up (2022)

Client: Chinese Petrochemical Plant

Result: 22% increase in catalyst lifespan using optimized sulfate ratios

Case 3: Research-Grade Materials (2024)

Client: MIT Materials Science Lab

Application: Synthesis of nickel-based MOFs for hydrogen storage

Safety & Regulatory Compliance

Parameter Requirement
OSHA PEL 0.1 mg/m³ (Ni)
Storage Sealed containers, <30°C
REACH Annex XIV Authorization

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  • Regulatory documentation support

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