Phosphoric Acid (Food Grade)
CAS Number: 7664-38-2
Food-grade phosphoric acid (75–85% aqueous solution) is the primary acidulant used in cola beverages, providing a unique tangy, mineral flavor profile distinct from organic acids. As E338, it is also used in edible oil processing, cheese emulsification, and yeast-leavened baked goods. The 85% food-grade solution complies with FCC and USP standards for heavy metals and arsenic.
Technical Specifications
| appearance | Colorless to slightly yellow clear liquid |
| arsenic (ppm) | ≤1 |
| fluoride (ppm) | ≤10 |
| concentration (%) | 75 or 85 |
| heavy metals (ppm) | ≤10 |
Applications
- Cola and carbonated beverage acidulation
- Edible oil degumming and refining
- Processed cheese emulsification salts production
- Yeast food and bread improver formulations
- Water treatment and boiler scale inhibition (food industry)
Key Features
- Unique mineral-tangy flavor profile for cola and dark carbonated beverages
- Strongest commonly used food acidulant (pKa1 = 2.15)
- Cost-effective versus organic acids for high-volume beverage production
- EU E338 approved, GRAS status, FCC and USP grade available
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CAS Number
7664-38-2
Category
Food / Beverage AdditivesAvailability
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