Sodium hydrogen sulphate NAHSO4 Sodium Bisulfate Anhydrous - 5000g

Sodium Hydrogen Sulfate
Other Names: Sodium Bisulfate

Chemical Formula: NaHSO₄
Molar Mass: 120.06 g/mol
CAS Number: 7681-38-1
Appearance: White crystalline powder

Sodium hydrogen sulfate is an inorganic acid salt composed of sodium ions and hydrogen sulfate anions. It is highly soluble in water and forms an acidic solution. The compound is widely used in industrial processes requiring pH control or acidic cleaning functions.

Chemical and Physical Properties

• Density: 2.74 g/cm³

• Melting Point: ~315 °C (decomposes)

• Boiling Point: Not applicable (decomposes before boiling)

• Solubility in Water: Very soluble

• Solubility in Other Solvents: Limited data; primarily water-soluble

• Odor: Odorless

Applications

Cleaning Agents: Used in descaling products to remove mineral deposits in plumbing systems, boilers, and toilets.

Water Treatment: Applied in swimming pool maintenance to lower water pH levels.

Textile Industry: Used in dyeing processes as an acidic agent.

Chemical Manufacturing: Precursor in the production of sodium sulfate and other sulfur-containing compounds.

Laboratory Use: Occasionally used in titrations and buffer preparation where mild acidity is required.

Safety

Signal Word: Danger

Hazard Statements:

• H318: Causes serious eye damage

Precautionary Statements:

• P280: Wear eye protection and face protection

• P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing

• P310: Immediately call a POISON CENTER or doctor

First Aid Measures

Eye Contact: Rinse cautiously with water for several minutes. Seek immediate medical attention.
Skin Contact: Wash thoroughly with soap and water. Remove contaminated clothing.
Inhalation: Move to fresh air. Seek medical help if respiratory symptoms appear.
Ingestion: Rinse mouth. Do not induce vomiting. Seek medical advice if symptoms occur.

Handling and Storage

Storage Conditions: Store in a tightly sealed container in a cool, dry, and well-ventilated area. Protect from moisture and incompatible substances (e.g., strong bases, oxidizers).
Handling Precautions: Avoid contact with eyes and skin. Use appropriate personal protective equipment when handling. Prevent dust formation.