Citric Acid – Properties, Benefits & Industrial Applications | BTJ-Group
Citric acid is one of the most versatile and widely used organic acids in the world. Known for its sour taste and natural presence in citrus fruits, citric acid plays a critical role across various industries including food, cosmetics, pharmaceuticals, cleaning products, agriculture, and more.
At BTJ-Group, we provide high-quality citric acid products for industrial, commercial, and food-grade applications. Whether you need Citric Acid Monohydrate or Anhydrous Citric Acid, our team is ready to support your specific needs.
What Is Citric Acid?
Citric acid (chemical formula: C₆H₈O₇) is a weak organic acid found naturally in citrus fruits like lemons, oranges, and limes. In its industrial form, it is a white, crystalline, odorless powder that dissolves easily in water and alcohol.
Common Types:
Citric Acid Monohydrate – Slightly less sour, contains more moisture, ideal for food and beverage applications.
Citric Acid Anhydrous – More concentrated sourness, less moisture, used in pharmaceuticals and cleaning products.
Benefits & Applications of Citric Acid in Major Industries
1. Food & Beverage Industry
Citric acid is one of the most popular food additives used globally. It offers multiple benefits in food processing and preservation:
Flavor Enhancer: Adds a sharp, clean sourness to drinks, candies, sauces, and ice cream.
Preservative: Acts as a natural preservative by lowering pH and inhibiting microbial growth.
Antioxidant: Helps prevent browning in fruits like apples and avocados.
pH Regulator: Used in soda, wine, canned food, and dairy to maintain desired acidity.
Color Retention: Soaking fruits or vegetables in citric acid helps preserve their natural color before processing.
Usage tip: Soak produce in 5g of citric acid per 1 liter of water for 10–15 minutes for color retention.
2. Pharmaceutical & Medical Industry
Citric acid plays an essential role in the production of medical and pharmaceutical products:
Used in effervescent tablets to promote solubility and quick absorption.
Acts as a buffering agent to control pH in liquid medications.
Adds citrus flavor to electrolyte powders and oral rehydration salts (ORS).
Prevents blood clotting in stored blood used in hospitals.
Included in topical creams for treating skin infections and inflammation.
3. Cosmetics & Personal Care Industry
In skincare and cosmetics, citric acid is valued for its gentle exfoliating and pH-balancing properties:
An Alpha Hydroxy Acid (AHA) used for skin exfoliation and brightening.
Included in facial cleansers, toners, lotions, and anti-aging creams.
Helps treat acne, smooth out rough skin, and fade scars or hyperpigmentation.
Improves product stability in cosmetics like lipsticks and deodorants.
Note: Concentrations above 10% may cause irritation—proper formulation is key.
4. Cleaning Products & Household Industry
Thanks to its natural acidity and chelating ability, citric acid is a safer alternative to synthetic cleaners:
Effectively removes lime scale, rust, and soap scum from surfaces.
Acts as a disinfectant and deodorizer in laundry detergents and fabric softeners.
Commonly found in dishwashing liquids, hand sanitizers, and toilet cleaners.
Replaces harmful chemicals like chlorine and bleach in green cleaning solutions.
5. Agriculture & Other Industrial Applications
In agriculture, citric acid is used in biological fertilizers and plant sprays to suppress microbial and fungal growth.
Detoxifies polluted soil and enhances nutrient absorption in plants.
In the textile industry, citric acid helps maintain dye stability during the coloring process.
Used in water purification to clean filtration membranes clogged with mineral deposits.
Properties of Citric Acid
Property
Description
Chemical Formula
C₆H₈O₇
Type
Weak organic acid
Appearance
White crystalline powder
Taste
Sour
Solubility
Soluble in water and alcohol
Functions
Preservative, Antioxidant, Chelating Agent
Industrial Grades of Citric Acid Available at BTJ-Group
Food-Grade Citric Acid
Pharmaceutical-Grade Citric Acid
Industrial-Grade Citric Acid
Available in bulk packaging suitable for large-scale applications.
We supply both Citric Acid Monohydrate and Anhydrous Citric Acid with full documentation and global standards compliance.
Contact BTJ-Group for Citric Acid Supply
Whether you’re in the food industry, cosmetics, cleaning product manufacturing, or agriculture, BTJ-Group is your trusted source for premium-grade citric acid.
Get in Touch:
Phone: +66 2416 9777, +66 2416 9888, +66 2892 0777, +66 2892 0888
Email: info@btj-group.com
Website: https://btj-group.com
Why Choose BTJ-Group for Citric Acid?
✅ Trusted supplier with years of experience in industrial chemicals
✅ High-quality citric acid with safety & regulatory certifications
✅ Tailored advice and formulation support for your specific application
✅ Fast delivery and competitive pricing
