Sodium phosphate monobasic CAS 7558-80-7

Chemical Name:  Sodium phosphate monobasic
CAS No.: 7558-80-7
Appearance: White Crystalline powder
Assay:98%min

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Sodium Phosphate Monobasic (CAS 7558-80-7) Overview

Sodium phosphate monobasic (NaH2PO4), with CAS number 7558-80-7, is a white crystalline powder widely used in food additives, pharmaceuticals, and laboratory buffers. It is highly soluble in water and acts as a pH stabilizer.

Key Parameters & Comparison

Parameter Sodium Phosphate Monobasic Sodium Phosphate Dibasic Tri-Sodium Phosphate
CAS Number 7558-80-7 7558-79-4 7601-54-9
pH (1% Solution) 4.1-4.5 8.0-11.0 12.0-13.0
Solubility in Water 85 g/100 mL (20°C) 7.7 g/100 mL (20°C) 14.5 g/100 mL (20°C)

Applications & Use Cases

1. Food Industry

  • Emulsifier in processed cheeses
  • pH regulator in beverages
  • Leavening agent in baked goods

2. Pharmaceutical Industry

  • Excipient in tablet formulations
  • Electrolyte replenisher in IV solutions

3. Laboratory Use

  • Component of PBS buffers
  • DNA/RNA extraction protocols

Industry Case Studies

Case Study 1: Food Manufacturing

A European dairy company used sodium phosphate monobasic to improve melt consistency in sliced cheese products, achieving a 22% increase in production efficiency.

Case Study 2: Pharmaceutical Production

A US-based generic drug manufacturer incorporated NaH2PO4 in antacid tablets, meeting USP specifications while reducing production costs by 15%.

Safety & Handling Guidelines

  • Wear PPE (gloves, goggles) during handling
  • Store in airtight containers at 15-30°C
  • Dispose per local chemical waste regulations

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