Phosphoric Acid 45%


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Phosphoric acid, also known as orthophosphoric acid with the chemical formula H₃PO₄, is a colourless, odourless liquid. It is an inorganic acid that is soluble in water, making it highly versatile in various applications. Phosphoric acid is commonly used in industries such as food and beverage, agriculture, cleaning, and pharmaceuticals.

With its acidic properties, phosphoric acid serves as a pH regulator and acidulant in food and beverage manufacturing. It is often employed in soft drinks, jams, jellies, and processed meats. In agriculture, phosphoric acid is utilized as a fertilizer additive to enhance the phosphorus content in soil, promoting plant growth and development.

  • Rust remover
  • Descaler
  • General laboratory acid
  • Food additive in cheese manufacture
  • Cold beverages
  • Yeast nutrient
  • Pet food and as feed additive nutrient
  • Fermentation
  • pH modification

Minimum Assay: 45%
Molecular Formula: H3PO4
Molecular Weight: 98.00 g/mol
Melting Point: 21°C
Boiling Point: 158°C

Cas Number: 7664-38-2

Einecs Number: 231-633-2

HS Code / Commodity Code: 2809200010

UN Number: 1805

Hazard Class: 8

Packing Group: 3

Hazard Phrases: H290,H314

Prec Phrases: P280,P303+P361+P353,P304+P340+P310,P305+P351+P338


HS Code: 2809200010


Following the UK’s departure from the EU on 1 January 2021, all European shipments are sent on a DAP Basis (Delivered at Place).

This means that the buyer will be liable for import VAT at their prevailing national rate and for orders over 150€ (including carriage) import duties will become chargeable at your prevailing national rate.

The Duty is ascertained by your national customs authority based on the HS Code of each product. The HS Code is shown in the “European Shipment” section of each product page.


Additional information

Weight 2000 g
Pack Size:

500ml, 1L, 2.5L, 5L