Sodium Hexametaphosphate (CAS 68915-31-1) – Strong Chelating and Dispersing Agent

🧪 CAS Number: 68915-31-1

🌟 Product Description

Sodium hexametaphosphate (SHMP) is an inorganic polyphosphate available as a white granular or powder form. It is highly soluble in water and known for its excellent chelating and dispersing properties. It is widely used in food, detergents, water treatment, textiles, ceramics, and paper industries.

🏭 Applications

🥫 Food additive and preservative (E452i)

🧴 Scale inhibitor in detergents

💧 Metal ion sequestrant in water treatment

👕 Dispersing agent in textile processing

🏗 Additive in ceramics and paper manufacturing

📊 Physical & Chemical Properties

Appearance: White granular or powder

Odor: Odorless

Formula: (NaPO3)6

Molecular Weight: ~611.8 g/mol

Solubility: Completely soluble in water

pH (1% solution): 6.0–7.5

⚠️ Storage & Safety

Store in a cool, dry, and moisture-free place. Being hygroscopic, it must be kept in sealed packaging. Avoid contact with eyes and skin; protective equipment is recommended.

🔑 Keywords

sodium hexametaphosphate, CAS 68915-31-1, chelating agent, dispersing agent, detergent additive, food additive E452i

📛 Other Names

SHMP, Sodium Metaphosphate, Graham’s Salt