Product Name: Citric Acid (Monohydrate / Anhydrous) – Food Grade & Industrial Grade
Chemical Name: 2‑Hydroxy‑1,2,3‑propane‑1,2,3‑tricarboxylic acid
CAS Numbers: 77‑92‑9 (Anhydrous) / 5949‑29‑1 (Monohydrate)
EINECS Number: 201‑069‑1
Molecular Formula: C₆H₈O₇
Molecular Weight: 192.12 g/mol
1. Product Description
Citric Acid is a weak organic acid naturally found in citrus fruits. It is widely used as an acidulant, flavor enhancer, preservative, chelating agent, and intermediate in food, pharmaceutical, and industrial applications.
Food Grade: Produced under GMP/FCC/E330 compliance, used in food and beverage formulations.
Industrial Grade: Used in detergents, metal cleaning, water treatment, and chemical synthesis.
2. Typical Properties
Food Grade (FCC / E330)
| Item | Specification |
|---|
| Appearance | Colorless or white crystalline powder |
| Assay (as C₆H₈O₇) | ≥ 99.5 % |
| Moisture | ≤ 0.5 % (anhydrous) / 7.5–8.8 % (monohydrate) |
| Sulfated Ash | ≤ 0.05 % |
| Heavy Metals (as Pb) | ≤ 5 ppm |
| Oxalate | ≤ 100 ppm |
| Clarity & Color of Solution | Clear, colorless |
| Lead (Pb) | ≤ 0.5 ppm |
| Arsenic (As) | ≤ 1 ppm |
| Aluminium (Al) | ≤ 0.2 ppm |
| Bacterial Count | ≤ 100 CFU/g |
| Yeast & Mold | ≤ 10 CFU/g |
| Pathogens | Negative |
Industrial Grade| Item | Specification |
|---|
| Appearance | White to off‑white crystalline powder |
| Assay (as C₆H₈O₇) | ≥ 99.0 % |
| Moisture | ≤ 1.0 % (anhydrous) / 8–9 % (monohydrate) |
| Sulfated Ash | ≤ 0.1 % |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Oxalate | ≤ 300 ppm |
| Clarity & Color of Solution | Clear |
| Iron (Fe) | ≤ 10 ppm |
3. Applications
Food Grade:
Acidulant and flavor enhancer in soft drinks, confectionery, jams, and bakery products
Preservative and antioxidant in processed food
pH regulator and buffering agent in beverages and dairy products
Chelating agent in pharmaceuticals and dietary supplements
Industrial Grade:
Cleaning and descaling agent for boilers, heat exchangers, and industrial equipment
Intermediate in detergents, cosmetics, and personal care products
Chelating and complexing agent in water treatment
Used in plasticizers, resins, and other specialty chemicals
4. Packaging
5. Storage & Shelf Life
Store in a cool, dry, and well‑ventilated area
Protect from moisture and direct sunlight
Shelf life: 24 months in unopened original packaging
6. Safety & Regulatory Information
7. Quality Assurance
Each batch is tested under strict quality control procedures. A Certificate of Analysis (COA) is provided with every shipment.