CD
Navigation
Chemical DekhoIndustrial Sourcing
//Phosphoric Acid

Phosphoric Acid Suppliers in India CAS 7664-38-2

Chemical FormulaH₃PO₄
Molecular Weight97.99 g/mol
Common NamesOrthophosphoric Acid, E338
Physical FormClear Colorless Viscous Liquid
Corrosion Inhibitor Food Additive (E338) Fertilizer Base

🎯 Get Quotes for Phosphoric Acid

  • Manufacturers & Verified Importers
  • Industrial & Technical Grades
  • Bulk Quantities Available
Avg. Response Time: 20 mins

About Phosphoric Acid

Looking for high-purity Phosphoric Acid 85%? ChemicalDekho connects buyers directly with India's premier manufacturers like Gujarat Alkalies (GACL) and Grasim. Buyers can request quotes for Verified Technical & Food Grade material.

While chemically defined as a weak mineral acid (H₃PO₄), the 85% aqueous solution listed on our platform is the industry standard for rust removal and metal passivation. In the food sector, it is sourced widely as a critical acidulant (E338).

Whether users need feedstock for fertilizers or industrial pickling agents, use our platform to source consistent supplies with complete COA documentation from verified sellers.

Applications & Industries

Fertilizers

Production of DAP/MAP

Food & Bev

Acidulant in Colas (E338)

Metal Treat

Rust Removal & Phosphating

Water Treat

pH Adjustment

Pharma

Dental Etching Agents

Energy

Fuel Cell Electrolyte

Common Grades & Specifications

Specifications

  • Purity (H₃PO₄) 85.0% Min
  • Arsenic (As) 2 ppm Max
  • Heavy Metals (Pb) 4 ppm Max
  • Fluoride 10 ppm Max

Applications

  • Soft Drinks (Cola)
  • Jams & Jellies
  • Sugar Refining

Packaging

35kg Carboy300kg Drum

Available from Verified Suppliers

Manufacturers

Leading petrochemical producers

Importers

Ready stock at Ports

Logistics

Compliant transport

Explosive License Checked ISO Certified Ex-Tank

Safety & Handling

Corrosive

Causes severe skin burns and eye damage. Corrosive to metals.

Storage & Transport

  • Store in corrosion-resistant container
  • Keep above 20°C (freezes at ~21°C pure)
  • Ventilated area

First Aid

  • Eyes: Rinse cautiously for 15+ mins
  • Skin: Remove contaminated clothing, wash immediately
  • Inhalation: Move to fresh air immediately

Frequently Asked Questions

Yes, the Food Grade (E338) variant is safe and widely used in beverages like colas, but it must be handled carefully in its concentrated form.

Yes, it converts red rust (iron oxide) into black ferric phosphate, which can be scrubbed off or left as a paint primer.

85% Phosphoric acid is syrupy due to hydrogen bonding, similar to sugar syrup.

Yes, it is commonly used as 'pH Down' in hydroponics to lower the pH of nutrient solutions.

Related Chemicals

Sulfuric Acid

CAS 7664-93-9
View Details

Hydrochloric Acid

CAS 7647-01-0
View Details

Nitric Acid

CAS 7697-37-2
View Details

Chlorine

CAS 7782-50-5
View Details

Formic Acid

CAS 64-18-6
View Details