Disodium Hydrogen Citrate Sesquihydrate CAS 6132-05-4

Disodium Hydrogen Citrate Sesquihydrate (CAS 6132-05-4) Ultimate Guide

Table of Contents

• 1. Product Overview & Specifications
• 2. Key Applications & Industry Uses
• 3. Performance Comparison with Alternatives
• 4. Practical Implementation Strategies
• 5. Real-World Case Studies
• 6. Technical Support & Purchasing Guidance

1. Product Overview & Specifications

Chemical Name: Disodium Hydrogen Citrate Sesquihydrate

CAS Number: 6132-05-4

Molecular Formula: C₆H₆Na₂O₇·1.5H₂O

Appearance: White crystalline powder

Solubility: 720 g/L in water (20°C)

pH Range: 4.5-5.5 (1% aqueous solution)

2. Key Applications & Industry Uses

Pharmaceutical Industry

• Anticoagulant in blood collection tubes
• pH stabilizer in oral suspensions
• Excipient in effervescent tablets

Food Technology

• Buffer in dairy products (pH 4.5-5.5 range)
• Emulsifier in processed cheeses
• Acidity regulator in beverages

Industrial Applications

• Metal surface treatment solutions
• Cleaning agent component
• Water treatment formulations

3. Performance Comparison with Alternatives

Compared to citric acid:

• 37% higher buffering capacity at pH 5.0
• 28% better solubility in cold water
• Reduced hygroscopicity (moisture absorption <2%)

4. Practical Implementation Strategies

Dosage Optimization

Typical usage levels:

• Food: 0.1-0.5% by weight
• Pharma: 0.5-2.0% in formulations
• Industrial: 3-10% in cleaning solutions

5. Real-World Case Studies

Case Study 1: European Dairy Manufacturer

Challenge: Maintain pH stability in probiotic yogurt

Solution: 0.3% disodium citrate addition

Result: pH maintained at 4.7±0.1 for 60 days

Case Study 2: Asian Pharmaceutical Company

Challenge: Prevent blood coagulation in test kits

Solution: 1.8% citrate formulation

Result: 99% coagulation inhibition achieved

6. Technical Support & Purchasing Guidance

For technical specifications or bulk pricing:

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