SUNCHEM

Phosphoric acid

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,…

7664-38-2
  • Lot COA with every shipment
  • Samples for your trials
  • Technical support for your trial
CAS No.7664-38-2
FormulaH3O4P
Synonyms:phosphoricacidsolutions;Phosphorsaeureloesungen;Sonac;wc-reiniger;White phosphoric acid;whitephosphoricacid;phosphoric acid for technical;phosphoric acid,technical,highly purified

Product overview & key benefits

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.

Technical specifications

PropertyReference value
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

Existing product reference data. Confirm the specification of the offered grade before ordering.

Applications

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

From first email to approved supply

01

Send your RFQ

Share your application, quantity, destination and current grade.

02

Review the documents

Review the producer TDS, a recent COA and SDS with the quotation.

03

Trial a sample

Run your own tests against your current grade.

04

Lock the spec

Put approved lot limits into the contract and check every COA against them.

Tell us your requirement. We match the grade.

Share your application, required quantity and destination.

Email david@sunchemgroup.com

Discuss your Phosphoric acid requirements

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