Description
Product Overview
O-Toluene Sulfonamide (OTSA) is an important organic intermediate widely used in the production of thermosetting resin plasticizers, specialty coatings, dyes, fluorescent pigments, and chemical synthesis applications. Known chemically as 2-methylbenzenesulfonamide, this compound offers excellent thermal stability, compatibility, and processing performance, making it a valuable raw material in various industrial sectors.
With consistent purity and reliable quality characteristics, OTSA is widely utilized by manufacturers seeking stable performance in resin modification and specialty chemical formulations. Its excellent chemical properties contribute to improved flexibility, durability, and processing efficiency in downstream applications.
Chemical Information
| Item | Specification |
|---|---|
| Product Name | O-Toluene Sulfonamide (OTSA) |
| CAS No. | 88-19-7 |
| IUPAC Name | 2-Methylbenzenesulfonamide |
| Molecular Formula | C7H9NO2S |
| Molecular Weight | 171.22 g/mol |
| Appearance | White Crystalline Powder |
Synonyms
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2-Methylbenzenesulfonamide
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2-Methylbenzene-1-sulfonamide
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Toluene-2-sulfonamide
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Ortho-Toluenesulfonamide
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OTSA
Product Specifications
| Parameter | Specification |
|---|---|
| Appearance | White Crystalline Powder |
| Purity | ≥ 98% |
| Melting Point | ≥ 153°C |
| Loss on Drying | ≤ 0.5% |
| Colority | ≤ 100 APHA |
The high purity level and controlled quality standards help ensure stable performance in demanding industrial production environments.
Key Features
O-Toluene Sulfonamide offers several advantages that make it a preferred choice for chemical manufacturers and formulation specialists.
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High purity and excellent batch consistency
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Good compatibility with various resin systems
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Reliable thermal stability during processing
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Suitable for multiple organic synthesis pathways
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Excellent performance as a thermosetting resin plasticizer
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Stable storage characteristics under recommended conditions
These properties support efficient manufacturing processes and contribute to consistent end-product quality.
Applications of O-Toluene Sulfonamide (OTSA)
Thermosetting Resin Plasticizers
OTSA is commonly used as a plasticizing component in thermosetting resin formulations. It helps improve flexibility, processing behavior, and overall performance of resin-based materials while maintaining mechanical strength and stability.
Organic Synthesis Intermediate
As a versatile chemical intermediate, O-Toluene Sulfonamide serves as an important building block in various organic synthesis processes. Its functional sulfonamide group allows participation in multiple chemical transformation routes.
Nail Polish Production
The compound is widely utilized in nail polish formulations where it contributes to film formation, durability, adhesion, and improved finish quality. Manufacturers value its compatibility with coating ingredients and formulation stability.
Dyes and Fluorescent Pigments
OTSA is used in the production of specialty dyes and fluorescent pigments. Its chemical structure supports the synthesis of colorants requiring high purity intermediates and reliable reaction performance.
Coatings Industry
In coating applications, O-Toluene Sulfonamide functions as a valuable raw material for specialty formulations. It helps enhance coating properties while supporting consistent manufacturing quality.
Packaging and Storage
To maintain product quality and stability, O-Toluene Sulfonamide should be stored in tightly sealed containers in a cool, dry, and well-ventilated environment. Protection from excessive moisture and direct sunlight is recommended to preserve product integrity during storage and transportation.
Proper storage conditions help ensure long shelf life and consistent performance in industrial applications.
Why Choose O-Toluene Sulfonamide (OTSA)
O-Toluene Sulfonamide combines high purity, excellent chemical stability, and broad application versatility. Whether used in resin modification, coatings, pigments, nail polish production, or organic synthesis, OTSA delivers reliable performance and consistent quality for industrial manufacturing requirements.
Its proven functionality and wide compatibility make it an important raw material for companies seeking dependable chemical intermediates for advanced formulation and production processes.
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