Product Details
| Product Name: Trisodium Citrate Anhydrous | CAS No.: 68-04-2 |
| EC-No.: 200-675-3 | Min. Order: 1ton |
| Purity: 99% | Supply Ability: 1000T/M |
| Release date: 2025/10/21 |
1. Product Identification
Product Name: Trisodium Citrate Anhydrous
Synonyms: Sodium Citrate Anhydrous; Citric Acid Trisodium Salt
Molecular Formula: C₆H₅Na₃O₇
Molecular Weight: 258.07 g/mol
CAS Number: 68-04-2
E-Number (Food Grade): E331(iii)
Appearance: White crystalline powder or granules, odorless, with a cool and salty taste.
2. Specifications
Food Grade (FCC/USP, E331(iii))
| Parameter | Specification |
|---|---|
| Appearance | White crystalline powder or granular |
| Assay (dry basis) | ≥ 99.0% |
| Loss on Drying | ≤ 1.0% |
| pH (5% solution) | 7.5 – 9.0 |
| Chloride (Cl⁻) | ≤ 50 ppm |
| Sulfate (SO₄²⁻) | ≤ 150 ppm |
| Oxalate | Pass test |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Arsenic (As) | ≤ 1 ppm |
| Lead (Pb) | ≤ 2 ppm |
| Insoluble Matter | ≤ 0.05% |
| Solubility | Freely soluble in water, practically insoluble in ethanol |
Industrial Grade
| Parameter | Specification |
|---|---|
| Appearance | White crystalline powder |
| Assay | ≥ 98.0% |
| Moisture | ≤ 2.0% |
| pH (5% solution) | 7.0 – 9.5 |
| Insoluble Matter | ≤ 0.2% |
| Heavy Metals (as Pb) | ≤ 20 ppm |
| Iron (Fe) | ≤ 50 ppm |
| Application Standard | Manufacturer’s internal QC or client specification |
3. Chemical & Physical Properties
Solubility: Highly soluble in water, practically insoluble in ethanol.
pH (1% solution): Slightly alkaline.
Density: Approx. 1.8 g/cm³
Stability: Stable under normal conditions, hygroscopic in humid environments.
Decomposition: At high temperatures, may release carbon oxides and sodium oxides.
4. Applications
Food Grade
Widely used as a buffering agent, flavor enhancer, and emulsifier.
Controls acidity in beverages, jams, dairy, processed cheese.
Improves stability and prevents precipitation in syrups and ice creams.
Used as an anticoagulant in blood preservation (with citric acid).
Industrial Grade
Detergent Industry: Chelating agent to soften water, improve cleaning performance.
Electroplating & Metal Treatment: Complexing and buffering agent.
Textile Industry: Dyeing and finishing aid.
Construction Chemicals: Used in admixtures for concrete retardation.
5. Packaging
Food Grade: 25 kg net weight, multi-ply kraft paper bags with inner PE liner; custom packaging available.
Industrial Grade: 25 kg / 50 kg woven bags with PE liner, jumbo bags for bulk shipment.
6. Storage & Shelf Life
Storage: Store in a cool, dry, and ventilated area, away from moisture and direct sunlight.
Shelf Life:
Food Grade: 24 months under proper storage.
Industrial Grade: 12–18 months depending on packaging and environment.
7. Safety & Handling
Safety Classification: Generally regarded as safe (GRAS) for food use (E331(iii)).
Handling Precautions: Use gloves, dust mask, and goggles to avoid irritation from powder.
Transport: Classified as non-hazardous; avoid mechanical damage and moisture during transport.
Company Profile Introduction
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China- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China