Product Description
Sodium acetate is a deliquescent crystalline sodium salt derived from acetic acid, featuring stable chemical properties and excellent compound compatibility. It can be synthesized via the neutralization reaction between acetic acid and sodium-based alkaline substances, supporting both laboratory preparation and large-scale industrial production.
Product Parameters
| Melting point | >300 °C (dec.)(lit.) |
| density | 1.01 g/mL at 20 °C |
| FEMA | 3024 | SODIUM ACETATE |
| refractive index | 1.464 |
| Fp | >250 °C |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: 3 M at 20 °C, clear, colorless |
| pka | 4.756[at 20 ℃] |
| form | powder |
| color | white |
| Specific Gravity | 1.45 |
| Odor | Slight acetic acid |
| PH | 7.87(1 mM solution);8.33(10 mM solution);8.75(100 mM solution);9.04(1000 mM solution) |
| PH Range | 8.5 - 9.9 at 246 g/l at 25 °C |
| Odor Type | odorless |
| biological source | synthetic |
| Water Solubility | 500 g/L (20 ºC) |
λmax | λ: 260 nm Amax: 0.03 |
| λ: 280 nm Amax: 0.02 | |
| Sensitive | Hygroscopic |
| Hydrolytic Sensitivity | 0: forms stable aqueous solutions |
| Merck | 148571 |
| Boiling point | >400°C(decomposition) |
| BRN | 3595639 |
| Stability: | Stable. Incompatible with strong oxidizing agents, halogens. Moisture sensitive. |
Cosmetics Ingredients Functions | BUFFERING |
| FRAGRANCE | |
| InChI | 1S/C2H4O2.Na/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1 |
| InChIKey | VMHLLURERBWHNL-UHFFFAOYSA-M |
| SMILES | [Na+].CC([O-])=O |
| LogP | -3.72 |
| CAS DataBase Reference | 127-09-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Sodium ethanoate(127-09-3) |
| EPA Substance Registry System | Sodium acetate (127-09-3) |
Absorption | ≤0.01 at 260nm in H2O at 100mM |
| ≤0.01 at 280nm in H2O at 100mM |
Safety Information
| Safety Statements | 22-24/25 |
| WGK Germany | 1 |
| RTECS | AJ4300010 |
| F | 3 |
| Autoignition Temperature | 607 °C |
| TSCA | TSCA listed |
| HS Code | 29152200 |
| Storage Class | 11 - Combustible Solids |
| Hazardous Substances Data | 127-09-3(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 3530 mg/kg LD50 dermal Rabbit > 10000 mg/kg |
Application Scenarios
Chemical & Laboratory Use – Widely deployed for buffer solution configuration, analytical testing, dehydration treatment and glucose purification.
Textile & Leather Industry – Applied as a dyeing mordant and acid neutralizer to improve dye adhesion and treat industrial wastewater, also available for leather tanning auxiliary processing.
Food Industry – Used as a food seasoning, preservative and fresh-keeping agent for cooked meat, salad dressings and instant foods. Synergistic use with lactate and propionate significantly enhances antibacterial and fresh-keeping effects with a conventional dosage of 0.2%–0.5%.
Daily & Thermal Products – Leveraging its reversible heat storage and release characteristics, it is widely manufactured into hand warmers and phase-change thermal storage materials.
