Monosodium Phosphate (10 Hydrate – Anhydrous) – Food Additive and Industrial Chemical

🧪 CAS Number: 7558-80-7

🌟 Product Description

Monosodium phosphate is a white crystalline inorganic compound available in both hydrated and anhydrous forms. With its acidic salt structure, it is widely used in buffer solutions, food additives, water treatment, and detergent formulations. In the food industry, it is known as E339.

🏭 Applications

🍽️ Food additive (E339)

💧 Water treatment chemicals

🧴 Detergent and cleaning products

⚗️ Buffer solution production

👕 Textile and paper processing

📊 Physical & Chemical Properties

Appearance: White crystals

Odor: Odorless

Molecular Formula: NaH2PO4 · (H2O)x

Molecular Weight: ~120 g/mol (anhydrous form)

Density (20 °C): ~2.36 g/cm³

Solubility: Fully soluble in water

pH (1% solution): 4.1–4.5

⚠️ Storage & Safety

Store in cool, dry, and moisture-free conditions. May cause irritation upon contact with eyes or skin. Use gloves and protective eyewear during handling.

🔑 Keywords

monosodium phosphate, CAS 7558-80-7, E339, food additive, water treatment, buffer solution

📛 Other Names

Sodium Dihydrogen Phosphate, MSP