3-Aminobenzoic acid CAS 99-05-8

Chemical Name: 3-Aminobenzoic acid
CAS No.: 99-05-8
Molecular Fomula: C7H7NO2
Molecular weight: 137.14
Appearance: Off-white crystalline powder
Assay: ≥99.0%

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3-Aminobenzoic Acid (CAS 99-05-8) Product Guide

Table of Contents

1. Product Overview & Specifications

3-Aminobenzoic Acid (CAS 99-05-8) is an aromatic amine with molecular formula C7H7NO2. Key technical parameters:

Parameter Specification
Appearance White to pale yellow crystalline powder
Purity ≥99%
Melting Point 174-178°C
Solubility Soluble in hot water, ethanol, and ether

2. Comparative Parameter Analysis

Property 3-Aminobenzoic Acid 4-Aminobenzoic Acid
CAS Number 99-05-8 150-13-0
Reactivity Higher electrophilic substitution Better for azo coupling
Pharma Applications Intermediate for anticonvulsants UV absorber in cosmetics

3. Industrial Applications

3.1 Pharmaceutical Manufacturing

Key intermediate for:

  • Antiepileptic drugs (e.g., Felbamate precursors)
  • Non-steroidal anti-inflammatory agents

3.2 Dye Production

Essential for manufacturing:

  • Azo dyes for textile industry
  • pH-sensitive indicators

4. Usage Scenarios

4.1 Organic Synthesis Protocol

Typical reaction conditions:

Process Parameters
Esterification H2SO4 catalyst, 110°C, 4hr
Diazotization NaNO2/HCl, 0-5°C

5. Client Case Studies

5.1 Pharma Company A (Germany)

Challenge: Needed high-purity intermediate for antiepileptic API
Solution: Customized purification process achieving 99.9% purity
Result: 30% yield improvement in final API synthesis

5.2 Dye Manufacturer B (India)

Challenge: Color consistency in textile dyes
Solution: Optimized 3-ABA dosage at 2.3% w/w
Result: Reduced batch variation from ±15% to ±3%

6. Procurement Guidance

Factor Recommendation
Quality Verification Request HPLC chromatograms & COA
Packaging 25kg fiber drums with PE liner
Storage Keep in cool (15-25°C), dry environment

7. Contact for Quotation

Request customized solutions:
Email: info@vivalr.com
Phone: (86) 15866781826

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