Phosphoric Acid 85% High Purity

$15.00$220.00

Phosphoric Acid 85% – Technical Specifications

Chemical Name: Phosphoric Acid
Chemical Formula: H₃PO₄
CAS Number: 7664-38-2
Concentration: 85% ± 1% by weight

Physical and Chemical Properties:

  • Appearance: Clear, colorless, odorless liquid
  • Purity: 85% minimum
  • Density: 1.685 g/cm³ at 25°C
  • Molecular Weight: 98.00 g/mol
  • pH (1% solution): Approximately 1.5
  • Boiling Point: 158°C (316°F)
  • Melting Point: 21°C (69.8°F) (crystallization can occur near this temperature)
  • Solubility: Completely soluble in water
  • Vapor Pressure: 2.16 mmHg at 20°C
  • Viscosity: 10 cP at 25°C
  • Freezing Point: 21°C (70°F)

Documents: Safety Data Sheet (SDS)

Description

Phosphoric Acid 85% is a high-purity, concentrated solution widely used in industrial, agricultural, and food applications. It is a clear, colorless, and odorless liquid with a strong acidic nature, known for its versatility and excellent reactivity.

This Product is NOT food grade!

Applications:

Industrial Applications

  • Metal Treatment: Used in the manufacturing process to clean and prepare metals, especially for rust removal and surface preparation before painting or coating.
  • Rust Removal: Acts as an efficient rust remover for steel and other metals, often used in industrial cleaning solutions.
  • Phosphate Coatings: Phosphoric acid is crucial for creating phosphate coatings on metals to improve paint adhesion and corrosion resistance.
  • Water Treatment: Used in industrial water treatment processes to control pH levels and prevent scale formation.

Agricultural Applications

  • Fertilizer Production: Phosphoric acid is a key ingredient in the production of phosphate fertilizers, which are essential for plant growth. It is used to produce monoammonium phosphate (MAP) and diammonium phosphate (DAP).
  • Soil pH Adjustment: Used to adjust the pH of soil to ensure optimal growing conditions for crops.

Cleaning Applications

  • Descaling Agents: Phosphoric acid is effective at removing mineral deposits, scale, and hard water stains, making it an ingredient in descalers for boilers, pipes, and household appliances.
  • Household & Industrial Cleaners: Found in cleaning agents for removing hard water stains, rust, and mineral deposits on surfaces like tiles and sinks.

Pharmaceutical and Healthcare

  • Dental and Medical Products: Used in dental cements and teeth whitening products due to its acidic properties.
  • Pharmaceuticals: Sometimes used as an ingredient in medications to adjust pH levels or act as a buffering agent.

Cosmetic & Personal Care

  • pH Adjuster: Included in personal care and cosmetic products such as shampoos, skincare products, and creams to adjust their acidity and ensure product stability.

Automotive Industry

  • Surface Treatment: Phosphoric acid is used in the treatment of automotive parts to prevent rust and prepare surfaces for painting or coating.
  • Battery Production: Utilized in the production of lead-acid batteries, particularly in the formation of the battery plates.

Storage Conditions:

  • Temperature: Store in a cool, dry, and well-ventilated area. The optimal storage temperature is between 10°C and 30°C (50°F to 86°F). Avoid exposure to high temperatures, as phosphoric acid can become more corrosive at elevated temperatures.
  • Humidity: Keep the storage area dry to prevent the accumulation of moisture that can lead to container corrosion or degradation of the acid’s quality.
  • Protect from Freezing: Phosphoric acid can crystallize at low temperatures, so it is important to prevent freezing. If crystallization occurs, gentle warming and stirring can help re-dissolve the crystals.

Chemical Warning:

GHS Labels - Exclamation Mark Pictogram Labels, 1 x 1" - ULINE - S-21339GHS Pictogram Labels - Corrosion, 2 x 2", White - ULINE - S-21343

May be corrosive to metals

Harmful if swallowed

May be harmful in contact with skin.

Causes severe skin burns and eye damage.

Documents:

Safety Data Sheet

Additional information

Size

100mL (3.3 Fl Oz), 500mL (16 Fl Oz), 1000mL (32 Fl Oz), 1 Gallon (128 Fl Oz), 5 Gallon (640 Fl Oz)

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