Sodium lignosulfonate
Excellent Solubility: It dissolves rapidly in water and alkaline solutions, enabling flexible use in a wide range of industrial scenarios.
Controlled Precipitation Reaction: It forms precipitates when reacting with acidic materials, ideal for procedures requiring controlled solid generation.
Outstanding Dispersion Performance: It ensures uniform dispersion in liquids and suspensions, effectively enhancing product functionality and stability.
Eco-Friendly & Safe: With low toxicity and high safety standards, it is suitable for environmentally sensitive and user‑friendly applications.
Sodium lignosulfonate is available in brown powder or liquid form and features no obvious odor. Being non-toxic by nature, it can be applied across a wide variety of industrial scenarios. This product dissolves readily in water and alkaline solutions, allowing for smooth incorporation into different manufacturing procedures. When it comes into contact with acidic substances, it will form precipitates, which renders it highly useful in applications requiring controlled sedimentation reactions.
It also serves as a highly efficient dispersant, helping to achieve stable and even distribution within liquid systems. These characteristics enable its application in water treatment, textiles, coatings, paints and other sectors that demand safety and consistent performance.
Sodium lignosulfonate Chemical Properties
| solubility | H2O: soluble |
| form | powder to crystal |
| color | Black |
| PH | 3.5 (10wt. %) |
| Odor | Slight characteristic odor |
| Water Solubility | H2O: soluble |
| EPA Substance Registry System | Sodium lignosulfonate (8061-51-6) |
Safety Information
| Safety Statements | 24/25 |
| WGK Germany | 1 |
| RTECS | OI6174000 |
| HS Code | 3804.00.1000 |
| Hazardous Substances Data | 8061-51-6(Hazardous Substances Data) |
| Melting point | 370°C(decomposition) |
| density | 2.306（16℃） |
| RTECS | TB8528000 |
| storage temp. | 2-8°C |
| solubility | Practically insoluble in water and in ethanol (96 per cent). It dissolves in dilute |
| hydrochloric acid and in dilute nitric acid. | |
| form | gel (aged) |
| color | White |
| PH | 7 (10g/l, H2O, 20°C) suspension |
| Water Solubility | Sparingly soluble in water, practically insoluble in cold water. |
| Merck | 131,697 |
| Solubility Product Constant (Ksp) | pKsp: 7 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | FUFJGUQYACFECW-UHFFFAOYSA-L |
| LogP | -2.148 (est) |
| CAS DataBase Reference | 7757-93-9(CAS DataBase Reference) |
| EPA Substance Registry System | Calcium hydrogen phosphate (7757-93-9) |
