m-hydroxybenzoic acid cas 99-06-9

Chemical Name: m-hydroxybenzoic acid
CAS No.: 99-06-9
Molecular Formula: C7H6O3
Molecular weight: 138.12
Appearance: White crystalline powder
Assay: 99%min

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m-Hydroxybenzoic Acid (CAS 99-06-9) Product Guide

Table of Contents

1. Product Overview & Specifications

m-Hydroxybenzoic Acid (CAS 99-06-9) is an aromatic carboxylic acid with the molecular formula C7H6O3. It is a white crystalline powder widely used in pharmaceuticals, cosmetics, and agrochemicals.

Parameter Specification
CAS Number 99-06-9
Purity ≥99%
Melting Point 200-203°C
Solubility Soluble in ethanol, slightly in water
Storage Keep in cool, dry conditions

2. Key Applications & Industry Uses

  • Pharmaceuticals: Intermediate for antibiotics, antiseptics, and anti-inflammatory drugs.
  • Cosmetics: Preservative in skincare products due to antimicrobial properties.
  • Agrochemicals: Synthesis of herbicides and fungicides.
  • Dyes & Polymers: Precursor for specialty polymers and colorants.

3. Technical Parameter Comparison

Property m-Hydroxybenzoic Acid p-Hydroxybenzoic Acid o-Hydroxybenzoic Acid
Melting Point 200-203°C 214-217°C 158-161°C
Solubility in Water Low Moderate High
Application Focus Pharma intermediates Preservatives Topical formulations

4. Usage Scenarios & Best Practices

  • Synthesis of Parabens: React with alcohols to create methylparaben or propylparaben.
  • Drug Formulation: Optimize reaction pH between 6.5-7.5 for maximum yield.
  • Safety: Use PPE to avoid inhalation or skin contact during handling.

5. Customer Case Studies

Case Study 1: Pharmaceutical Manufacturer in Germany

Challenge: Required high-purity m-hydroxybenzoic acid for synthesizing a novel anti-inflammatory drug.

Solution: Supplied 99.5% purity product with customized particle size distribution.

Result: Achieved 92% reaction efficiency and reduced purification costs by 18%.

Case Study 2: Cosmetic Company in South Korea

Challenge: Needed a preservative alternative to parabens for organic skincare line.

Solution: Formulated a 0.3% m-hydroxybenzoic acid blend with enhanced stability.

Result: Extended product shelf life by 6 months while meeting ECOCERT standards.

6. Request a Quote

Contact us for technical specifications, bulk pricing, or custom synthesis requirements:

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