Sodium Salicylate CAS 54-21-7

Chemical Name: Sodium salicylate
Synonyms: Sodium 2-Hydroxybenzoate; Idocylnovum; Natrii Salicylas; Salicylic acid sodium salt
CAS No.: 54-21-7
Molecular Fomula: C7H5NaO3
Molecular weight: 160.1
Appearance: White scales or powder
Purity: 99%

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Comprehensive Guide to Sodium Salicylate (CAS 54-21-7)

Table of Contents

1. Product Overview & Specifications

Parameter Specification
CAS Number 54-21-7
Molecular Formula C7H5NaO3
Appearance White crystalline powder
Purity ≥99.5%
Solubility 1g/0.6ml water (20°C)
pH (1% Solution) 5.0-7.0

2. Key Applications & Industry Uses

Pharmaceutical Applications

• Anti-inflammatory formulations
• Analgesic preparations
• Preservative in injectables

Cosmetic Applications

• Keratolytic agent in acne treatments
• Preservative stabilizer
• pH buffer in skincare products

Industrial Applications

• Corrosion inhibitor in metalworking fluids
• Intermediate for dye synthesis
• Electroplating additive

3. Comparative Analysis with Similar Compounds

Property Sodium Salicylate Salicylic Acid Potassium Salicylate
Water Solubility High Low Moderate
pH Stability 5.0-9.0 3.0-6.0 6.0-8.5
Cost Efficiency High Medium High

4. Practical Implementation Case Studies

Case 1: Pharmaceutical Synthesis

Challenge: Develop stable pediatric antipyretic formulation
Solution: 0.5% sodium salicylate as buffering agent
Result: 12-month shelf life at 25°C

Case 2: Metal Treatment

Challenge: Prevent corrosion in CNC machining coolants
Solution: 2% sodium salicylate additive
Result: 60% reduction in tool wear

5. Verified Customer Success Stories

PharmaCo Solutions (Germany)

Application: Topical analgesic gel production
Volume: 8MT quarterly
Outcome: Achieved ISO 13485 compliance

EcoChem Industries (USA)

Application: Biodegradable preservative system
Volume: 15MT annually
Outcome: 40% cost reduction vs traditional preservatives

6. Procurement Strategy & Supplier Selection

Quality Parameters

• Heavy metals ≤10ppm
• Residual solvents ≤0.5%
• Microbial count ≤100 CFU/g

Supplier Evaluation Criteria

1. ISO 9001 certification
2. Batch-to-batch consistency
3. Technical support capability

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