Description
SODIUM PROPIONATE
Crystalline & Granular | IP • BP • USP • LR • AR Grades
Sodium Propionate is the sodium salt of propionic acid, available in crystalline powder and granular forms. It is a white, odourless to slightly acetic odour, crystalline solid that is freely soluble in water and exhibits a mildly alkaline pH in solution. Aaru Life Science supplies Sodium Propionate in multiple pharmacopoeial and laboratory grades including IP, BP, USP, LR, and AR, ensuring suitability across a wide range of pharmaceutical, food, analytical, and industrial applications. Each batch is manufactured under strict quality control and is compliant with the respective pharmacopoeial standards, making it a reliable choice for formulators, researchers, and industrial users alike.
📙 BP Grade
📗 USP Grade
🧪 LR Grade
🔬 AR Grade
🧾 1. Product Identification
| Product Name | Sodium Propionate Salt |
|---|---|
| Other Names | Sodium Propanoate, Propionic Acid Sodium Salt |
| Chemical Formula | CH₃CH₂COONa |
| CAS Number | 137-40-6 |
| Molecular Weight | 96.06 g/mol |
| Grade | IP / BP / USP / LR / AR |
| HS Code | 29154000 |
⚗️ 2. Physical & Chemical Properties
| Appearance | White crystalline powder / granules |
|---|---|
| Odour | Odourless to slightly propionic acid odour |
| Melting Point | >300°C (decomposes) |
| Boiling Point | Decomposes on heating |
| Density | 1.52 g/cm³ |
| pH (5% solution) | 8.0 – 10.0 |
| Solubility | Freely soluble in water; slightly soluble in ethanol |
📐 3. Grade-wise Specifications
| Parameter | IP / BP / USP | LR (Lab Reagent) | AR (Analytical) |
|---|---|---|---|
| Assay (dry basis) | 99.0 – 101.0% | ≥ 98.0% | ≥ 99.5% |
| Chloride (Cl) | ≤ 0.005% | ≤ 0.01% | ≤ 0.001% |
| Sulphate (SO₄) | ≤ 0.005% | ≤ 0.01% | ≤ 0.001% |
| Heavy Metals (Pb) | ≤ 10 ppm | ≤ 20 ppm | ≤ 5 ppm |
| Iron (Fe) | ≤ 10 ppm | ≤ 20 ppm | ≤ 5 ppm |
| Arsenic (As) | ≤ 2 ppm | ≤ 5 ppm | ≤ 1 ppm |
| Loss on Drying | ≤ 1.0% | ≤ 1.0% | ≤ 0.5% |
| Appearance of Solution | Clear & colourless | Clear | Clear & colourless |
🧪 4. Applications & Uses
🏚️ 5. Storage & Handling
| Storage Condition | Store in a cool, dry and well-ventilated area away from direct sunlight, heat sources and moisture. Keep container tightly closed. Store away from strong acids and oxidising agents. |
|---|---|
| Shelf Life | 3 years from date of manufacture in original sealed packaging. |
| Hazard Classification | Non-hazardous. Not classified as dangerous goods for transport. |
| Regulatory Status | Compliant with IP, BP, USP pharmacopoeia. GRAS (Generally Recognised As Safe) status. Approved food additive (E281). |
| Packaging | 20 Kg. Bags / 25 Kg. Bags |
| Documents Available | Certificate of Analysis (COA), Material Safety Data Sheet (MSDS) available on request. |





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