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Phosphoric Acid
Name:Phosphoric Acid
CAS No.: 7664-38-2
Appearance:Liquid
Product Description：
Phosphoric Acid (CAS 7664-38-2), also known as orthophosphoric acid, is a versatile inorganic acid widely used across industrial, food, and agricultural sectors. Available in multiple grades (85% industrial, 85% food-grade, 99%+ reagent-grade), it exhibits strong acidity, good solubility, and high chemical stability-making it a critical raw material for diverse manufacturing processes. Its compliance with global standards (FDA, REACH, GB) ensures suitability for both industrial production and food/beverage applications.
Product Specification:
| Parameter | Industrial Grade (75%) | Industrial Grade (85%) | Food Grade (75%) | Food Grade (85%) |
| Purity (H3PO4) | ≥75% ±0.5% | ≥85% ±0.5% | ≥75% ±0.3% | ≥85% ±0.3% |
| Impurities (Max) | Heavy metals <10 ppm | Heavy metals <10 ppm | As <0.5 ppm, Pb <1 ppm | As <0.3 ppm, Pb <0.5 ppm |
| Color & Clarity | Slightly yellow (permissible haze) | Clear, colorless | Clear, colorless (no visible particles) | Crystal clear (pharmaceutical standard) |
| Chloride (Cl-) | ≤50 ppm | ≤30 ppm | ≤10 ppm | ≤5 ppm |
| Sulfate (SO42-) | ≤200 ppm | ≤150 ppm | ≤50 ppm | ≤30 ppm |
| Fluoride (F-) | ≤100 ppm | ≤50 ppm | ≤10 ppm | ≤5 ppm |
| Applications | - Fertilizers - Metal pickling - Water treatment | - High-purity chemicals - Electronics cleaning | - Beverages (cola) - Food additives (E338) | - Pharmaceutical - High-end food processing |
Product Applications:
Agriculture: Core raw material for phosphate fertilizers (e.g., diammonium phosphate, monoammonium phosphate) to enhance crop yield and nutrient absorption.
Food & Beverage: Food-grade phosphoric acid serves as an acidity regulator in carbonated drinks (e.g., cola) and a preservative in processed foods (prevents microbial growth).
Industrial Manufacturing:
Metal treatment: Etches metal surfaces (e.g., aluminum, steel) for coating adhesion; removes rust and scale.
Battery production: Used in lead-acid batteries (car, industrial batteries) as electrolyte to improve charge-discharge efficiency.
Detergents: Synthesizes phosphate-based detergents (e.g., sodium tripolyphosphate) for stain removal.
Product Packing:
Packaging
85% Phosphoric Acid (Food/Industrial Grade): 35kg/330kg/drum, 1650kg/IBC tank
75% Phosphoric Acid (Food/Industrial Grade): 33kg/310kg/drum, 1600kg/IBC tank
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