Food Grade Phosphoric Acid
CAS No.: 7664-38-2
Food Grade Phosphoric Acid meets strict food safety standards and is specifically used in food and beverage processing.
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Specification Available: Food Grade
Product Introduction of Food Grade Phosphoric Acid
Food Grade Phosphoric Acid is phosphoric acid specifically used in food and beverage processing. It meets strict food safety standards to ensure that it does not pose a risk to consumer health during use. It is commonly used as an acidulant, pH adjuster, preservative and stabilizer.
Basic Properties
1. Chemical formula：H₃PO₄ (phosphoric acid)
2. Appearance：
- (1) Usually a colorless, odorless, transparent liquid, or a colorless crystalline solid.
- (2) Food grade phosphoric acid is usually in liquid form, which is convenient for use and preparation.
3. Molecular weight: 97.99 g/mol (H₃PO₄)
4. Density: Approximately 1.885 g/cm³ (20°C)
5. Solubility:
- (1) It is highly soluble in water and can dissolve quickly in water.
- (2) It forms a phosphoric acid solution in water, which is highly acidic.
6. Acidity:
- (1) Food grade phosphoric acid is a tribasic acid with three dissociable hydrogen ions (H⁺), so it is highly acidic.
- (2) pH value: usually between 1.5-2.0, and the specific pH depends on the concentration of the solution.
7. Food safety standards
Must comply with food safety standards of various countries, such as the relevant regulations of the US FDA (Food and Drug Administration) and the European Food Safety Authority (EFSA), to ensure safe use within the prescribed concentration range.
8. Safety
Food grade phosphoric acid is usually strictly tested when used to ensure that it does not contain harmful impurities, such as heavy metals, and is suitable for food processing.
Product Benefits of Food Grade Phosphoric Acid
The advantages of Food Grade Phosphoric Acid in the food industry are mainly reflected in the following aspects:
1. Efficient Acid Flavor Adjustment
Phosphoric acid has moderate acidity, providing a refreshing and mild acid taste to food and beverages, especially suitable for carbonated drinks, juices, and similar products.
2. Good pH Control Capability
Phosphoric acid helps stabilize the acid-base balance in food, extending shelf life, preventing product deterioration, and maintaining consistent flavor and appearance.
3. Versatility
In addition to being an acidulant and pH regulator, phosphoric acid can also act as an emulsifier, stabilizer, and preservative, with applications in various foods such as dairy products, candies, and canned foods.
4. High Purity and Safety
Food grade phosphoric acid undergoes strict purification processes to remove toxic impurities, complying with international food safety standards (such as FDA and EFSA), making it safe for use in food processing.
5. Antibacterial and Preservation
Phosphoric acid lowers the pH of food, inhibiting the growth of harmful microorganisms, thereby extending the shelf life of food and reducing the need for additional preservatives.
6. Improves Food Texture and Flavor
In certain products (such as cheese and processed meats), phosphoric acid enhances protein solubility, improving texture and flavor.
7. Easy to Mix and Dissolve
Phosphoric acid has excellent solubility in water and mixes well with other food ingredients, making it convenient to use in the processing of food products.
8. Wide Range of Applications
Phosphoric acid is widely used in beverages (carbonated drinks, functional drinks), dairy products, candies, baked goods, processed meats, and canned foods, demonstrating strong versatility across different product categories.
These advantages make food grade phosphoric acid an indispensable raw material in the food industry, ensuring both product safety and stability in quality.
Product Application of Food Grade Phosphoric Acid
Food Grade Phosphoric Acid can be used in a variety of food and beverage products, primarily including the following categories:
1. Carbonated Beverages
Soft drinks such as cola, Sprite, etc.: Phosphoric acid is a common acidulant that provides a refreshing acid taste to carbonated beverages, enhancing the flavor profile of the drink.
Energy drinks: Some energy drinks or sports drinks may use phosphoric acid to regulate acidity and enhance flavor.
2. Juices and Fruit-Flavored Beverages
Phosphoric acid is often used in fruit juices to adjust the pH, enhance flavor, and help improve the stability of the drink.
3. Dairy Products
Cheese: Phosphoric acid acts as an emulsifier in cheese production, improving texture and enhancing its solubility.
Yogurt, cream, etc.: Phosphoric acid helps regulate acidity and enhance the taste of dairy products.
4. Candies and Syrups
Hard candies, soft candies, jelly, etc.: Phosphoric acid helps adjust acidity, balancing the flavor of candies and improving product texture and shelf life.
Syrups: Phosphoric acid helps regulate the acidity of syrups, maintaining stability and enhancing flavor.
5. Condiments and Sauces
Salad dressings, ketchup, hot sauces, etc.: Phosphoric acid is used to adjust the pH balance and add tartness, making condiments and sauces taste fresher and more distinct.
6. Processed Meats
Food Grade Phosphoric Acid acts as an emulsifier, improving the texture and water retention of processed meat products, commonly used in items like ham, sausages, and other processed meats.
7. Baked Goods
In some baked goods, phosphoric acid is used to regulate acidity, aiding in the fermentation of dough and improving the structure of the final product.
8. Canned Foods
Food Grade Phosphoric Acid is used to regulate acidity in canned foods, preventing quality deterioration and extending shelf life, especially in canned vegetables, meats, and fish.
9. Functional Foods
In dietary supplements, nutritional drinks, and other functional foods, phosphoric acid serves as a pH regulator and acidulant, helping improve flavor and enhancing product stability.
10. Mineral Water and Drinking Water
Food Grade Phosphoric acid is sometimes used to adjust the acidity of mineral water, improving the taste and flavor.
Food grade phosphoric acid is widely used in various food and beverage products, primarily for acid flavor adjustment, pH regulation, preservation, emulsification, and stabilization of food structure. It enhances flavor, improves texture, and helps extend product shelf life, making it an essential and versatile ingredient in the food industry.
Processing Flow of Food Grade Phosphoric Acid
The processing flow of food grade phosphoric acid typically involves the following steps:
Raw Material (Phosphate Rock): The process begins with phosphate rock, which is mined and ground into a fine powder.
Reaction with Sulfuric Acid: The phosphate rock is then reacted with sulfuric acid to produce crude phosphoric acid and gypsum (calcium sulfate) as a by-product.
Purification: The crude phosphoric acid undergoes purification to remove impurities such as iron, fluoride, and other metals. This may include filtration, solvent extraction, and ion exchange processes.
Concentration: The purified phosphoric acid is concentrated to the desired strength (typically 85-95% purity) through evaporation.
Quality Control: The final product is tested to ensure it meets food-grade standards, such as low levels of heavy metals and compliance with safety regulations.
Packaging and Distribution: The food-grade phosphoric acid is then packaged and distributed for use in food and beverage applications, such as acidity regulation, flavor enhancement, and phosphate additives.
This ensures the Food Grade Phosphoric Acid is safe and effective for use in food products.
Product Parameter of Food Grade Phosphoric Acid
| Parameter | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity (H₃PO₄) | ≥85% |
| Phosphoric Acid (as H₃PO₄) | ≥75% |
| Specific Gravity (at 25°C) | 1.70-1.75 g/cm³ |
| Arsenic (As) | ≤0.0003% |
| Heavy Metals (as Pb) | ≤0.0005% |
| Iron (Fe) | ≤0.0003% |
| Chloride (Cl) | ≤0.0005% |
| Sulphate (SO₄) | ≤0.01% |
| Water Content | ≤15% |
| pH (10% Solution) | 1.5-2.0 |
Precautions for Using Food Grade Phosphoric Acid in Manufacturing
Precautions for Using Food Grade Phosphoric Acid in Manufacturing:
1. Proper Handling and Storage: Always store food grade phosphoric acid in a cool, dry place, away from direct sunlight and incompatible materials (e.g., strong bases, metals). Ensure that containers are tightly sealed to prevent contamination.
2. Protective Equipment: When handling phosphoric acid, wear appropriate personal protective equipment (PPE), including gloves, goggles, and protective clothing, to avoid skin and eye contact.
3. Dilution: Always dilute phosphoric acid carefully by adding the acid to water (not the reverse) to prevent exothermic reactions. Use suitable containers for dilution.
4. Ventilation: Ensure good ventilation in work areas to prevent inhalation of fumes or vapors, especially when handling concentrated forms.
5. Emergency Procedures: In case of spills, quickly neutralize with a suitable base (e.g., sodium bicarbonate) and clean up using appropriate safety measures. Have eyewash stations and emergency showers readily accessible.
6. Regulatory Compliance: Ensure that the acid used complies with local food safety regulations and standards, and that the final product meets quality and purity requirements.
7. Avoid Contamination: Take precautions to prevent contamination of food products during manufacturing, keeping all tools and surfaces clean and sanitized.
Reasons for selecting Chempora Food Grade Phosphoric Acid
Reasons for Selecting Chempora Food Grade Phosphoric Acid:
1. High Purity: Chempora’s food grade phosphoric acid is produced to meet high purity standards, ensuring it is safe and suitable for food and beverage applications.
2. Reliable Supply Chain: With a well-established global supply chain, Chempora guarantees consistent availability and timely delivery of food grade phosphoric acid to meet manufacturing needs.
3. Strict Quality Control: Every batch undergoes rigorous quality control tests to ensure compliance with international food safety standards, providing confidence in product quality.
4. Competitive Pricing: Chempora offers cost-effective pricing without compromising on quality, making it a reliable choice for businesses seeking value.
5. Versatility: Food grade phosphoric acid be used in a wide range of food manufacturing processes, from acidulation to flavor enhancement, making it a versatile option for various industries.
6. Regulatory Compliance: Chempora’s food grade phosphoric acid meets regulatory requirements for food grade products, ensuring safety and compliance with industry standards.
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