Platinum nitrate solution

Basic Information of Platinum(II) Nitrate Solution

CAS No.	18496-40-7
EC No.	241-008-6
Chemical Formula	Pt(NO3)2 (aq.)
Molecular Weight	319.09 g/mol (anhydrous basis)
Appearance	Clear to pale yellow liquid (aqueous solution, typically 5–20% Pt w/w)
Odor	Odorless to slight nitric
Melting point	Not applicable (liquid solution)
Boiling point	>100 °C (water-based; decomposes on heating)
Density	1.05–1.40 g/mL at 25 °C (concentration-dependent)
Solubility	Miscible with water; soluble in alcohols, acetone, acetonitrile
Nature (hazards)	Oxidizing liquid, may intensify fire, causes skin and eye irritation, harmful if swallowed, toxic to aquatic life
RIDADR	UN 3099, Oxidizing liquid, corrosive, n.o.s. (Platinum(II) nitrate solution), Class 5.1 (8), Packing Group III
Chemical Structure

Primary Applications of Platinum(II) Nitrate Solution

Platinum(II) Nitrate Solution provides a clean, ready-to-use platinum source for solution processing, enabling precise Pt incorporation in high-technology and catalytic applications.

1. Thin-Film Platinum Deposition
   Ideal for spin-coating, dip-coating, or ink formulations to produce platinum electrodes, seed layers, or conductive films in microelectronics, sensors, and MEMS devices.

2. Catalyst Impregnation & Supported Pt Preparation
   Used in wet impregnation of carbon, alumina, silica, or other supports to create high-dispersion platinum catalysts for hydrogenation, oxidation, and fuel cell applications.

3. CVD / ALD Precursor Solutions
   Serves as a liquid delivery source or component in chemical vapor deposition and atomic layer deposition processes for uniform, high-purity platinum thin films.

4. Organometallic & Coordination Complex Synthesis
   Acts as a halide-free Pt(II) precursor for preparing phosphine, amine, or other Pt complexes used in homogeneous catalysis and materials research.

5. Fuel Cell & Electrocatalyst Development
   Enables synthesis of Pt nanoparticles, Pt alloys, or Pt-modified carbon supports for PEM fuel cells, electrolyzers, and energy conversion technologies.

6. Advanced Materials & Nanotechnology
   Facilitates controlled reduction to generate platinum nanostructures, functional coatings, or biomedical materials requiring high purity and controlled Pt loading.

• Accurate & Consistent Pt Concentration
  Precise analytical control ensures uniform platinum content, low impurities, and batch reproducibility for reliable deposition or catalytic performance.

• Halide-Free Formulation
  Nitrate-based solution eliminates chloride risks, ideal for electronics, fuel cells, and processes demanding ultra-high purity platinum.

• Custom Solution Tailoring
  Adjustable Pt levels, concentration ranges, and minor additives to perfectly match your specific process or formulation requirements.

• Technical Process Support
  Dedicated specialists provide advice on solution handling, deposition techniques, catalyst activation, and optimization for maximum efficiency.

• Regulatory & Sustainability Focus
  Full COA, REACH, RoHS, SDS documentation and platinum recycling programs to support global compliance and your ESG commitments.

Hazards Classification

• GHS Classification: Oxidizing Liquids (Category 2 or 3); Acute Toxicity, Oral (Category 4); Skin Corrosion/Irritation (Category 1B or 2); Serious Eye Damage (Category 1); Aquatic Chronic (Category 3)

• Hazard Statements: H272: May intensify fire; oxidizer; H302: Harmful if swallowed; H314 or H315: Causes severe skin burns or irritation; H318: Causes serious eye damage; H413: May cause long lasting harmful effects to aquatic life

• UN Number: UN 3099

• Hazard Class: 5.1 (Oxidizing substances) + 8 (Corrosive)

• Packing Group: III