Phosphoric Acid 85% Solution, ACS Grade

Used To Make Phosphate Salts For Fertilizers


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Why Buy Phosphoric Acid 85% Solution, ACS Grade from Lab Alley

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About Phosphoric Acid 85% Solution, ACS Grade

Phosphoric acid, also known as orthophosphoric acid, is a weak triprotic acid. At 85%, it is a colorless and odorless viscous liquid. The most common usage is in fertilizers, accounting for more than 75% of its use. It is also a useful pH modifier, sanitizing agent, and rust converter. The ACS monogram for phosphoric acid signifies high purity.

Common Uses and Applications

  • Fertilizer
  • Acidifying agent in skin-care/cosmetic products
  • Acidifying agent in foods/beverages
  • Sanitizing agent in food industry
  • Dental cleaning
  • Rust converter


Chemistry Table

Phosphoric acid
Grade ACS Grade

Phosphoric Acid 85% Solution, ACS Grade Specifications

Assay wt.% 85.0% min.
Antimony (Sb) 0.002% Max.
Color, APHA 10 Max.
Calcium (Ca) 0.002% Max
Chloride (Cl) 3 ppm Max.
Nitrate (NO3) 5 ppm Max.
Sulfate (SO4) 0.003% Max
Volatile Acids (as CH3COOH) 0.001% Max.
Arsenic (As) 1 ppm Max.
Heavy Metals (as Pb) 0.001% Max.
Iron (Fe) 0.003% Max
Manganese (Mn) 0.5 ppm Max.
Potassium (K) 0.005% Max.
Sodium (Na) 0.025% Max.
Reducing Substances Passes Test
Magnesium (Mg) 0.002% Max
Insoluble Matter 0.001% Max.

Safety and Shipping Information

Phosphoric Acid 85% ACS Shipping Information:
DOT: Phosphoric acid, solution, 8, UN1805, PG III

Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Phosphoric Acid 85% ACS.

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