Product Details
| Product Name: Ammonium Citrate | CAS No.: 3458-72-8 |
| EC-No.: 222-394-5 | Min. Order: 1ton |
| Purity: 99% | Supply Ability: 1000T/M |
| Release date: 2025/11/04 |
Ammonium Citrate
Chemical Formula: C?H?(NH?)?O? (for Tribasic Ammonium Citrate)
CAS Number: 3458-72-8 (Tribasic), 3458-69-1 (Monobasic)
Molecular Weight: 243.19 g/mol (Tribasic)
Synonyms: Triammonium citrate, Ammonium salt of citric acid
1. Product Description
Ammonium Citrate is the ammonium salt of citric acid, available in mono- and tribasic forms. It appears as a white to slightly yellow crystalline powder. It is highly soluble in water and used in various applications including food, pharmaceutical, chemical processing, analytical chemistry, and metal treatment.
2. Grades Available
Food Grade: Conforms to relevant food-grade purity standards.
Industrial Grade: Suitable for technical applications like metal cleaning, plating, analytical reagents, etc.
3. Specifications
| Property | Industrial Grade | Food Grade |
|---|---|---|
| Appearance | White or off-white powder | White crystalline powder |
| Assay (as C?H?(NH?)?O?) | ≥ 98.0% | ≥ 99.0% |
| Ammonium Content | 28.0–32.0% | 28.0–32.0% |
| pH (5% solution) | 6.5–8.5 | 6.5–8.5 |
| Solubility in Water | Complete | Complete |
| Moisture (Loss on drying) | ≤ 1.0% | ≤ 0.5% |
| Heavy Metals (Pb) | ≤ 20 ppm | ≤ 5 ppm |
| Arsenic (As) | ≤ 3 ppm | ≤ 1 ppm |
| Iron (Fe) | ≤ 50 ppm | ≤ 10 ppm |
| Residue on Ignition | ≤ 0.2% | ≤ 0.1% |
| Identification (IR / UV) | Pass | Pass |
| Microbiological Status | Not specified | Total Plate Count < 1000 cfu/g; Yeast & Mold < 100 cfu/g |
4. Applications
Food Grade:
Acidity regulator
Chelating agent
Nutrient source (rare)
Used in processed cheese, beverages, and functional supplements (depending on country regulations)
Industrial Grade:
Metal surface treatment
Electroplating
Reagent in analytical chemistry
Buffering agent
Complexing agent in detergents and fertilizers
Usage in food is subject to approval by local food safety authorities (e.g., FDA, EFSA, GB 2760).
5. Packaging & Storage
| Parameter | Details |
|---|---|
| Packaging | 25 kg kraft paper bag or drum, inner PE liner |
| Shelf Life | 24 months under proper storage |
| Storage Conditions | Store in a cool, dry, and well-ventilated area. Protect from moisture and direct sunlight. Keep container tightly closed. |
6. Regulatory Information
| Regulation Area | Status |
|---|---|
| EU (E No.) | Not widely approved |
| USA (FDA) | Limited; not GRAS |
| China (GB 2760) | Not listed as common additive |
7. Safety & Handling
Avoid inhalation and contact with eyes or skin.
Use appropriate PPE (gloves, goggles, mask).
Refer to SDS for detailed safety guidance.
Company Profile Introduction
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China- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China