Phosphoric (V) Acid ( Ortophsphoric ) 85% - 10ml

Phosphoric (V) Acid (Orthophosphoric Acid) 85%

Other Names:

• Orthophosphoric acid

• Phosphoric acid, 85% solution

CAS Number: 7664-38-2
Chemical Formula: H₃PO₄
Molar Mass: 98.00 g/mol (for H₃PO₄)
Concentration: 85% by weight aqueous solution
Appearance: Colorless to slightly yellow liquid
Odor: Odorless

Chemical and Physical Properties

• Density: Approximately 1.685 g/cm³ at 25 °C

• Melting Point: Solidifies at around 42 °C (depending on concentration; 85% solution is liquid at ambient temperatures)

• Boiling Point: Decomposes before boiling (typically above 150 °C under atmospheric pressure)

• Solubility: Fully miscible with water (as it is a water solution)

• pH: Strongly acidic, typically pH < 1 in concentrated solution

• Acidity: A strong acid; acts as an effective proton donor in reactions

• Viscosity: Low; similar to water, making it easy to handle in liquid form

Applications

• Chemical Synthesis: Used as an acid catalyst and a source of phosphate in synthesis reactions

• Laboratory Reagent: Employed for pH adjustment and as a reagent in various analytical processes

• Industrial Processes: Applied in metal surface treatment, etching, and corrosion inhibition; also used in formulations for cleaning and descaling

• Catalysis and Process Engineering: Used in the production of fertilizers and catalysts

⚠️ Not intended for applications in food, pharmaceuticals, or cosmetics.

Safety Information

Signal Word: ⚠️ Warning

GHS Hazard Statements

Handling and Storage

• Handling:

  • Use in a well-ventilated area or under appropriate fume extraction.

  • Avoid any contact with skin, eyes, and clothing.

  • Handle using proper personal protective equipment (PPE).

• Storage:

  • Store in tightly sealed, corrosion-resistant containers in a cool, dry, and well-ventilated area.

  • Keep away from incompatible substances such as strong bases and reactive metals.

  • Protect from moisture and maintain a secure environment to prevent leaks.