Ammonium hexachloroplatinate(IV)

Basic Information of Ammonium Hexachloroplatinate(IV)

CAS No.	16919-58-7
EC No.	240-973-6
Chemical Formula	(NH4)2PtCl6
Molecular Weight	517.91 g/mol
Appearance	Bright yellow to orange-yellow crystalline powder
Odor	Odorless
Melting point	Decomposes before melting (~340–360 °C to Pt sponge)
Boiling point	Not applicable (decomposes)
Density	approx. 3.12 g/cm³
Solubility	Sparingly soluble in cold water (~0.7 g/100 mL at 20 °C); more soluble in hot water; insoluble in ethanol
Nature (hazards)	Causes severe skin burns and eye damage, may cause allergic skin reaction, harmful if swallowed or inhaled, toxic to aquatic life
RIDADR	UN 3288, Toxic solid, inorganic, n.o.s. (Ammonium hexachloroplatinate(IV)), Class 6.1, Packing Group III
Chemical Structure

Primary Applications of Ammonium Hexachloroplatinate(IV)

Ammonium Hexachloroplatinate(IV) functions as a stable Pt(IV) source for platinum metal recovery and catalyst production across refining and advanced materials sectors.

1. Platinum Sponge and Metal Production
   Serves as the primary precursor for thermal decomposition or hydrogen reduction to high-purity platinum sponge, powder, or ingots in precious metal refining and recycling operations.

2. Supported Platinum Catalyst Preparation
   Used in precipitation or impregnation methods to deposit Pt on carbon, alumina, or silica supports for heterogeneous hydrogenation, oxidation, and reforming catalysts in fine chemicals and petrochemicals.

3. Organometallic Pt Complex Synthesis
   Acts as starting material for preparing Pt(IV) and reduced Pt(II) coordination complexes with amines, phosphines, or other ligands for catalysis and medicinal chemistry research.

4. Platinum-Based Anticancer Compound Intermediates
   Employed in routes to Pt(IV) prodrugs or as a source for Pt(II) species in the development of cisplatin analogs and related therapeutics.

5. Platinum Nanoparticle Synthesis
   Enables controlled reduction to generate Pt nanoparticles, colloids, or supported clusters for electrocatalysis, fuel cells, sensors, and biomedical applications.

6. Precious Metal Recovery & Analytical Chemistry
   Utilized in gravimetric determination of platinum and as a standard in refining processes requiring high-purity Pt intermediates.

• High Platinum Content Consistency
  Advanced quality assurance delivers precise Pt assay, low residual impurities, and batch reproducibility for reliable decomposition or catalytic performance.

• Secure Precious Metal Sourcing
  Transparent, responsible platinum procurement with inventory buffering to ensure supply continuity and price stability.

• Technical Process Support
  Experienced specialists provide guidance on reduction protocols, catalyst preparation, thermal decomposition, and process optimization.

• Full Regulatory Compliance
  Comprehensive documentation including COA, REACH, RoHS, and detailed SDS to facilitate global refining and manufacturing operations.

• Sustainability & Recycling Commitment
  Ethical sourcing practices and platinum recovery/recycling programs aligned with ESG goals and circular economy principles.

Hazards Classification

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

• Hazard Statements: H301: Toxic if swallowed; H314: Causes severe skin burns and eye damage; H317: May cause an allergic skin reaction; H411: Toxic to aquatic life with long lasting effects

• UN Number: UN 3288

• Hazard Class: 6.1 (Toxic substances)

• Packing Group: III