E524, Liquid Caustic, Liquid Sodium Hydroxide, Caustic Soda, Sodium Hydroxide, 1310-73-2

E524, Liquid Caustic, Liquid Sodium Hydroxide, Caustic Soda, Sodium Hydroxide, 1310-73-2

Sodium Hydroxide (NaOH), also known as Caustic Soda, is a versatile chemical widely used in food, textile, paper, aluminum, detergent, and water treatment industries. It is classified as E524 when used as a food additive, primarily as an acidity regulator.

Properties

• Chemical Formula: NaOH

• CAS Number: 1310-73-2

• Molecular Weight: 39.997 g/mol

• Density: 2.13 g/cm³

• Melting Point: 318°C

• Boiling Point: 1388°C

• Solubility: Highly soluble in water

Common Names

• Caustic Soda

• Liquid Sodium Hydroxide

• Sudkostik

• Sodium hydroxide solution

• Lye

Applications

• Food Industry: E524 acidity regulator, used in fruit peeling and chocolate processing.

• Textile & Paper Industry: Used in fabric processing and pulp treatment.

• Chemical Industry: Plays a role in soap and detergent production.

• Water Treatment: Helps in pH regulation and metal purification.

• Used in drinking and utility water treatment, artificial silk industry, paper pulp, textile industry, rubber reclamation, organic dissolving process, aluminum, food, detergent and soap industries.
• There is no specific information regarding its use that is not recommended.