Quick Product Information

Product NamePhosphoric acid
CAS Number7664-38-2
Chemical FormulaH3O4P
Supply OriginChina
DocumentsCOA / SDS / TDS / Specification available upon request
InquiryRequest Quotation →

Product Overview

Phosphoric acid is a mineral acid with multiple industrial, food, and pharmaceutical applications, serving as a pH regulator, food acidulant, rust remover, and precursor to phosphate fertilizers and detergent compounds. Its moderate acidity and safety profile make it the acid of choice across food processing, metal treatment, and cleaning applications. SUNCHEM supports international buyers with Phosphoric acid sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.

Applications & Uses

  • Food acidulant and flavor enhancer (cola beverages)
  • Metal surface rust removal and treatment
  • Fertilizer production precursor (MAP, DAP)
  • Detergent and cleaning compound builder
  • pH adjustment in food and beverage processing
  • Dental etchant and dental care applications
  • Pharmaceutical excipient and buffer

Why Source Phosphoric acid Through SUNCHEM?

Phosphoric acid sourcing requires careful verification of manufacturers, compliance with export documentation, and proper logistics management. SUNCHEM supports global customers by connecting them with qualified Chinese producers and managing the key steps from sourcing to shipment.

Qualified Producer Selection

We help customers identify suitable Chinese manufacturers based on product specifications, production scale, quality records, and export capability.

Quality & Document Support

We coordinate documents including COA, MSDS, TDS, product specifications, and other export-related documents required for international trade.

Export & Logistics Coordination

SUNCHEM works with experienced logistics partners to ensure safe and compliant shipment arrangements, including proper handling for regulated materials.

Flexible Sourcing Solutions

Whether you require regular commercial supply, trial orders, or long-term procurement support, we match suitable supply sources to your requirements.

Long-Term Supply Management

We help manage supplier communication, quality follow-up, shipment schedules, and supply chain stability.

Ready to Source Phosphoric acid from China?

Send us your required purity, quantity, destination port, and documentation needs. Our team will respond with quotation details and available product documents.

Basic Info

Chemical Synonym(s):phosphoricacidsolutions;Phosphorsaeureloesungen;Sonac;wc-reiniger;White phosphoric acid;whitephosphoricacid;phosphoric acid for technical;phosphoric acid,technical,highly purified
CAS Number7664-38-2
Chemical Formula

H3O4P

Characteristics

Melting point~40 °C(lit.)
Boiling point 158 °C(lit.)
Density 1.685 g/mL at 25 °C(lit.)
Vapour density3.4 (vs air)
Vapour pressure2.2 mm Hg ( 20 °C)
FEMA 2900 | PHOSPHORIC ACID
Refractive index n20/D 1.433

Frequently Asked Questions

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