1. Descripción general del producto

4-Aminotoluene-3-sulfonic Acid (CAS 88-44-8) is a high-purity sulfonic acid derivative with the molecular formula C₇H₉NO₃S. Key specifications:

• Apariencia: Off-white to light brown crystalline powder
• Pureza: ≥98.5%
• Peso molecular: 187.21 g/mol
• Punto de fusión: 270-275°C (dec.)
• Almacenamiento: Keep in airtight container at 2-8°C

2. Aplicaciones clave

Widely used in:

• Dye manufacturing (azo dye intermediate)
• Pharmaceutical synthesis (antibacterial agents)
• Organic electronic materials
• Chemical research (sulfonation reactions)

3. Instrucciones de uso

1. Always wear PPE (gloves, goggles, lab coat)
2. Dissolve in polar solvents (water/ethanol) at 60-80°C
3. Maintain pH 6-8 for optimal reactivity
4. Store away from strong oxidizers
5. Dispose per local chemical waste regulations

4. Casos de uso detallados

Case 1: Azo Dye Production

Used as coupling component in C.I. Acid Red 114 synthesis:

1. Dissolve 50g in 500ml deionized water at 70°C
2. React with diazotized 4-nitroaniline at pH 7.2
3. Yield: 92-95% brilliant red dye

Caso 2: Intermediario farmacéutico

Key precursor in sulfa drug synthesis:

• React with chloracetyl chloride in THF
• Ammonolysis to create sulfonamide backbone
• Final purification via recrystallization

5. 5. Información de contacto

Para consultas técnicas o pedidos al por mayor:

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• Tel: (86) 15866781826