Sulfamic Acid for Descaling | China Suppliers and Factory for Effective Scale Removal Solutions
Product Description
Sulfamic Acid, with the chemical formula NH₂SO₃H, is a white crystal. It is also known by other names, including sulfamidic acid, sulphamic acid, amidosulfonic acid, amidosulfuric acid and aminosulfonic acid. Sulfamic Acid crystallizes into a stable, non-hygroscopic solid, making it easy to handle and store.
Chemical and Physical Properties
| Product Name | Sulfamic Acid |
| Chemical Name | Aminosulfonic Acid |
| Molecular Formula | NH₂SO₃H |
| Appearance | White crystalline solid |
| Odor | No odor |
| Content (%) | 99.5 MIN |
| Sulfate (%) | 0.04 MAX |
| Moisture (%) | 0.1 MAX |
| Fe (%) | 0.005 MAX |
| Water Insoluble Matter (%) | 0.02 MAX |
| CAS Number | 5329-14-6 |
Sulfamic Acid is known for its high stability under normal storage conditions and minimal moisture absorption. It remains effective even after long periods of storage, provided it is kept dry and protected from high humidity.
Applications
The versatility of sulfamic acid allows it to be widely used in various industries. Some of the key applications include:
Sulfamic acid is widely used as a descaling agent for removing rust, limescale, and other mineral deposits from industrial equipment, boilers, and household appliances like coffee machines and kettles. Its non-volatile nature and ability to produce minimal fumes make it a preferred choice over hydrochloric acid and other stronger acids for such purposes.
Sulfamic acid has a wide range of applications in dyes and pigments industry, such as a elimination agent of excess nitrite in diazotization reaction, a color fixing agent for textile dyeing, and the formation of a fire protection layer on textiles.
In the paper and pulp industry, sulfamic acid is used as a bleaching agent. It helps in breaking down lignin, facilitating the bleaching process, and ensuring a brighter end product without compromising the fiber integrity.
In addition to the main applications mentioned above, sulfamic acid also has a wide range of applications in sweeteners, new herbicides, flame retardants, catalysts and chlorine stabilizers.
Storage
- Store in original containers.
- Keep containers securely sealed.
- Store in a cool, dry, well-ventilated area.
- Store away from incompatible materials and foodstuff containers.
- Keep away from ignition sources, heat and flame.
- Protect containers against physical damage and check regularly for leaks.
- Observe manufacturer's storing and handling recommendations.
Multiply paper bag with sealed plastic liner or heavy gauge plastic bag.
- Segregate from alkalies, oxidising agents and chemicals readily decomposed by acids, i.e. cyanides, sulfides, carbonates.
- Keep dry.
- Segregate from combustible materials.
- DO NOT use aluminium, galvanised or tin-plated containers.
Handling
- Avoid generating and breathing dust and limit all unnecessary personal contact.
- Wear protective clothing when risk of exposure occurs.
- Use in a well-ventilated area.
- Avoid contact with incompatible materials.
- When handling, DO NOT eat, drink or smoke.
- Keep containers securely sealed when not in use. Avoid physical damage to containers.
- Always wash hands with soap and water after handling.
- Observe manufacturer's storing and handling recommendations.












