Citric Acid Anhydrous Powder

 

Citric acid anhydrous powder is a type of citric acid, and another type of citric acid is citric acid monohydrate.

 

1. Chemical nature

• Molecular formula C₆H₈O₇, purity ≥99.5%, water content ≤0.5%.
• The crystal form is colorless and transparent monoclinic system, density 1.665g/cm³, 8% higher than monohydrate.

 

2. Breakthrough in physical properties

• Thermal stability: decomposition temperature 175℃, 28℃ higher than monohydrate, and resistant to food sterilization process.
• Solubility characteristics: Solubility in water at 25℃ is 146g/100mL, solubility in ethanol is 38g/100mL, 12% lower than monohydrate.

 

 

ITEM	SPECIFICATION	RESULT
Appearance	Colorless or white crystal powder	Colorless or white crystal powder
Identification	Complies with the limit Test	Conforms
Clarity&Colour of Solution	Pass test	Pass test
Purity	99.5~101.0%	99.94%
Moisture	< 1.0%	0.14%
Sulphated Ash	≤0.05%	0.01%
Sulphate	≤150ppm	<150ppm
Oxalic acid	≤100ppm	<100ppm
Heavy Metals	≤5ppm	<5ppm
Readily Carbonisable Substance	Pass test	Pass test
Bacterial Endotoxin	<0.5IU/mg	<0.5IU/mg
Aluminium	≤0.2ppm	<0.2ppm
Lead	≤0.5ppm	<0.5ppm
Arsenic	≤1ppm	< 1ppm
Mercury	≤1ppm	< 1ppm
Mesh	30-100MESH

 

 

1. Efficiency enhancement in the food industry

(1) Precise control of acidity:

• Citric acid anhydrous powder maintains a pH value of 2.3-2.8 in carbonated beverages, which is 0.3 units lower than monohydrate citric acid, and improves microbial inhibition efficiency by 41%.
• Combined with sodium bicarbonate, the gas production of puffed food is increased to 3.2 mL/g (texture analyzer test).

 

(2) Collaborative innovation in flavor:

• Enhancing sweetness perception in low-sugar yogurt and reducing the amount of sugar substitute by 30%.
• Inhibiting the production of Maillard reaction byproducts (acrylamide) by 58%.

 

2. Medical field

(1) Targeted delivery system:

• Construction of pH-sensitive nanoparticles with a particle size of 150nm and a colon-targeted release rate of >90%
• Enhanced the solubility of the anticancer drug paclitaxel by 3.8 times.

 

(2) Blood protection technology:

• ACD anticoagulant extends the shelf life of platelets at 4°C to 7 days, with a survival rate of >85%.
• Citric acid anhydrous powder can inhibit calcium deposition in dialysis lines and reduce calcium carbonate crystals by 76%.

 

3. Green industrial transformation

 

(1) Metal treatment:

• Stainless steel passivation treatment (1.5% solution) improves corrosion resistance to 2000 hours according to ASTM B117 standard
• Printed circuit board copper etching rate reaches 18μm/min.

 

(2) Biomaterial synthesis:

• Preparation of polycitrate (POC) elastomer with elongation at break >1200%, 4 times higher than PLA.
• 3D printed scaffold promotes osteoblast proliferation rate ↑67%,.

 

4. Sustainable development of agriculture

 

(1) Soil improvement:

• Wheat yield in saline-alkali land increased by 41%, compounded with humic acid at a ratio of 1:3.
• Activating the fixed phosphorus in red soil, citric acid anhydrous powder increased the available phosphorus content by 2.7 times.

 

(2) Biostimulant:

• Spraying 0.05% solution on the leaves increased the photosynthetic rate of rice by 36%.
• Enhanced disease resistance of tomatoes, reducing the incidence of bacterial wilt by 64%.

 

 

Fruiterco is an export company that mainly produces plant extracts, health product raw materials, and cosmetic raw materials. The company has a 20+ professional service after-sales team.

 

Our products are sold to North America, Europe, Australia, South America and Asia. Our products have passed quality inspection and also support customer re-inspection. Email: info@fruiterco.com.

 

 

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