1. Citric Acid Supplier & Manufacturer | GMP-Certified Bulk & OEM Citric Acid Powder (Food & Cosmetic Grade)
AIHerba is a professional citric acid supplier and manufacturer, specializing in food grade and cosmetic grade citric acid bulk powder for global B2B buyers. Produced in GMP-certified facilities, our citric acid meets FCC, USP, and international regulatory standards, ensuring consistent quality, batch traceability, and reliable supply.
As an experienced citric acid wholesale and OEM supplier, we support food, cosmetic, nutraceutical, and industrial manufacturers with competitive pricing, flexible MOQ, and comprehensive documentation including COA and MSDS. Our citric acid is available in bulk packaging and customized OEM formats to meet different formulation and production requirements.
👉 Request specifications, COA, or bulk pricing today to secure a stable citric acid supply.
Quick Summary
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Ingredient Name: Citric Acid
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CAS No.: 77-92-9
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Main Applications: pH adjustment, acidulant, chelating agent
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Typical Purity: ≥99.5%
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Suitable Industries: Food & Beverage, Cosmetics, Dietary Supplements, Pharmaceuticals, Industrial Manufacturing
2. What Is Citric Acid?
What is Citric Acid?
Citric acid is a naturally occurring organic acid widely used as an acidulant, pH regulator, and chelating agent in food, cosmetic, pharmaceutical, and industrial formulations. Commercial citric acid is produced through controlled fermentation processes to ensure consistent purity and performance.
Benefits
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Adjusts and stabilizes pH levels
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Enhances formulation stability
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Improves solubility and shelf stability
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Compatible with multiple formulation systems
Applications
Citric acid is commonly used in food preservation, cosmetic pH adjustment, supplement formulations, and industrial processing.
Dosage / Specification
Usage levels vary depending on formulation type, regulatory requirements, and product standards. Typical application levels range from 0.05%–2.0%.
Safety
Citric acid is widely recognized for its safe use in regulated industrial applications when used according to applicable standards.
Supplier / Manufacturer
AIHerba operates as a citric acid manufacturer and bulk supplier, providing consistent quality and global export support.
3. Detailed Technical Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | Citric Acid |
| CAS Number | 77-92-9 |
| Molecular Formula | C₆H₈O₇ |
| Molecular Weight | 192.12 g/mol |
| Appearance | White crystalline powder |
| Purity | ≥99.5% |
| Grade | Food Grade / Cosmetic Grade |
| Standards | FCC, USP |
| Solubility | Freely soluble in water |
4. Product Source & Raw Material Origin
Citric acid is produced via controlled microbial fermentation using carbohydrate substrates, followed by purification and crystallization processes. AIHerba ensures raw material sourcing complies with international quality and safety standards.
5. Mechanism of Action & Functional Properties
Citric acid functions primarily as:
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A pH adjuster to stabilize formulations
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A chelating agent that binds metal ions
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An acidulant that enhances product stability
These functional properties support consistent formulation performance without therapeutic claims.
6. Application-Relevant Benefits (Regulatory-Safe)
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Supports formulation stability in cosmetics
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Improves taste balance in food products
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Enhances solubility in supplement formulations
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Maintains consistent acidity across production batches
7. Usage Guidelines & Formulation Recommendations
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Recommended to pre-dissolve in water before incorporation
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Adjust dosage based on target pH and regulatory limits
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Conduct pilot batch testing for formulation optimization
8. Traditional & Modern Industrial Applications
Traditionally used as a food acidulant, citric acid is now widely applied in modern cosmetic formulations, dietary supplements, pharmaceutical excipients, and industrial processing systems.
9. COA & Quality Control Specifications
Pesticide Residue Testing
| Item | Limit | Test Method |
|---|---|---|
| Organophosphates | Complies | GC-MS |
| Organochlorines | Complies | GC-MS |
| Pyrethroids | Complies | GC-MS |
Heavy Metals
| Item | Limit | Test Method |
|---|---|---|
| Lead (Pb) | ≤2 ppm | ICP-MS |
| Arsenic (As) | ≤1 ppm | ICP-MS |
| Cadmium (Cd) | ≤1 ppm | ICP-MS |
| Mercury (Hg) | ≤0.1 ppm | ICP-MS |
Microbiological Limits
| Item | Limit | Test Method |
|---|---|---|
| Total Plate Count | ≤1,000 CFU/g | USP <61> |
| Yeast & Mold | ≤100 CFU/g | USP <61> |
| E. coli | Negative | USP <62> |
| Salmonella | Negative | USP <62> |
10. Manufacturing Process & Production Flow
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Fermentation
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Filtration & Purification
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Crystallization
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Drying & Sieving
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Quality Inspection
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Packaging & Batch Coding
11. Storage, Shelf Life & Packaging
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Storage: Cool, dry, sealed environment
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Shelf Life: 24 months
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Packaging: 25 kg bags, customized OEM packaging available
12. MOQ, Sample Policy & Global Shipping
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MOQ: 25 kg
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Samples: Available upon request
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Shipping: Sea, air, express; global B2B logistics support
13. Clinical Data & Scientific Research
Citric acid has been extensively documented in scientific literature for its chemical and functional properties. No medical or therapeutic claims are made.
14. Applicable Industries
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Food & Beverage Manufacturing
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Cosmetic & Personal Care
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Dietary Supplements
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Pharmaceuticals
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Industrial Processing
15. Industry Application Scenarios
Scenario 1: Cosmetic factory using citric acid for pH adjustment in facial cleansers
Scenario 2: Beverage manufacturer sourcing food grade citric acid bulk powder
Scenario 3: Supplement brand requiring citric acid OEM supply with COA documentation
16. Supplier Comparison & Procurement Guide
Compared to traders, a direct citric acid manufacturer offers:
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Better batch consistency
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Faster documentation access
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Stable long-term supply
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OEM customization capability
17. FAQ for B2B Buyers
Q1: Do you provide citric acid COA and MSDS?
Yes, full documentation is available per batch.
Q2: What grades do you offer?
Food grade and cosmetic grade citric acid.
Q3: Can I buy citric acid in bulk?
Yes, bulk and wholesale supply is available.
Q4: Do you support OEM services?
Yes, AIHerba is a citric acid OEM supplier.
Q5: What is your lead time?
Typically 7–15 working days.
Q6: Is your production GMP-certified?
Yes, our facilities comply with GMP standards.
19. References & Regulatory Sources
Manufacturer & Quality Assurance
Manufactured by AIHerba® (Shaanxi Zhonghong Investment Technology Co., Ltd.),
a GMP-certified manufacturer specializing in high-purity botanical extracts
for dietary supplements, cosmetics, and pharmaceutical applications.
✔ GMP-certified production facility
✔ Full COA & technical specifications available
✔ Batch traceability & strict quality control
✔ Bulk supply & OEM/ODM services for global B2B buyers
📧 sales@aiherba.com | info@aiherba.com | liaodaohai@gmail.com
🌐 www.aiherba.com
If you are looking for a bulk supplier / OEM manufacturer of citric acid, contact us for specifications, COA, and pricing.





