Product Details
| Product Name: Monosodium Citrate | CAS No.: 18996-35-5 |
| EC-No.: 242-734-6 | Min. Order: 1ton |
| Purity: 99% | Supply Ability: 1000T/M |
| Release date: 2025/11/04 |
1. Product Identification
Product Name: Monosodium Citrate
Synonyms: Sodium Dihydrogen Citrate; Sodium Hydrogen Citrate
Molecular Formula: NaC?H?O?
Molecular Weight: 214.11 g/mol
CAS Number: 18996-35-5
E-Number (Food Grade): E331(i)
Appearance: White crystalline powder or granular, odorless, with slightly salty and acidic taste.
2. Specifications
Food Grade (FCC/USP, E331(i))
| Parameter | Specification |
|---|---|
| Appearance | White crystalline powder or granular |
| Purity (Assay, dry basis) | ≥ 99.0% |
| Loss on Drying | ≤ 8.0% |
| pH (5% solution) | 3.5 – 4.5 |
| Chloride (Cl?) | ≤ 50 ppm |
| Sulfate (SO?2?) | ≤ 150 ppm |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Arsenic (As) | ≤ 1 ppm |
| Lead (Pb) | ≤ 2 ppm |
| Oxalate | Pass test |
| Solubility | Freely soluble in water, practically insoluble in ethanol |
Industrial Grade
| Parameter | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity (Assay) | ≥ 98.0% |
| Moisture | ≤ 9.0% |
| pH (5% solution) | 3.0 – 5.0 |
| 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, forming clear solution. Insoluble in ethanol.
pH (1% solution): Slightly acidic.
Stability: Stable under normal temperature and dry storage; hygroscopic, should be kept sealed.
Decomposition: At elevated temperatures, may decompose releasing carbon oxides.
4. Applications
Food Grade
Acidity Regulator: Commonly used in beverages, jams, jellies, and dairy products.
Buffering Agent: Controls pH in processed foods and beverages.
Emulsifier & Stabilizer: Prevents precipitation and crystallization in syrups, ice cream, cheese.
Nutritional Supplements: Sometimes used in mineral fortification.
Industrial Grade
Cleaning & Detergent Industry: Functions as a chelating agent to soften water and stabilize formulations.
Electroplating & Metal Treatment: Used as a buffer and complexing agent.
Textile & Printing: Assists in dyeing and finishing processes.
Pharmaceutical & Laboratory: As pH regulator or intermediate (non-pharma grade).
5. Packaging
Food Grade:
25 kg net weight, multi-ply kraft paper bags with PE inner liner, or customized packaging.
Industrial Grade:
25 kg / 50 kg bags, woven bags with inner PE liner, jumbo bags for bulk delivery.
6. Storage & Shelf Life
Storage: Store in a cool, dry, and well-ventilated area. Keep container tightly closed. Protect from moisture and direct sunlight.
Shelf Life:
Food Grade: 24 months from manufacturing date under proper storage.
Industrial Grade: 12–18 months depending on packaging and conditions.
7. Safety & Handling
Safety Classification: Generally regarded as safe (GRAS) for food use (E331(i)).
Industrial Grade Handling: Use protective gloves and goggles to avoid dust contact.
Transport: Non-hazardous chemical; handle with care to avoid spillage.
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China- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China