Sodium Diphenylamin Sulphonate
Sodium Diphenylamin Sulphonate is a white to light brown crystalline powder used primarily as an antioxidant and stabilizer in various industrial applications. It functions by inhibiting the oxidation of materials such as rubber, lubricants, and fuels, thereby enhancing their shelf life and performance. This chemical is valued for its efficiency in preventing degradation caused by heat, light, and oxygen exposure. It also finds use as a reagent in analytical chemistry and in dye manufacturing processes.
Uses
Primary Uses
- Rubber Industry
- Acts as an antioxidant and anti-degradant to prevent premature aging and cracking of rubber products.
- Improves the durability and lifespan of tires, hoses, and other rubber goods.
- Lubricants and Fuels
- Used as a stabilizer to prevent oxidation and maintain the quality of oils, greases, and fuels during storage and use.
- Dye and Pigment Industry
- Serves as an intermediate in the synthesis of dyes and pigments.
- Used as a reagent to enhance color stability and consistency.
- Analytical Chemistry
- Employed as an indicator or reagent in certain chemical assays and laboratory tests.
Secondary Uses
- Polymer Additives
- Incorporated in various polymer formulations to improve resistance against thermal and oxidative degradation.
- Metal Processing
Sometimes used as a corrosion inhibitor in metalworking fluids and cooling lubricants.
Basic Identification Attributes
- Chemical Name (IUPAC): Sodium 4-(phenylamino)benzenesulfonate
- Common/Trade Name: Sodium Diphenylamin Sulphonate
- CAS Number: 15325-10-5
- HS Code: 2921.49
- Synonyms: Sodium diphenylamine sulfonate, Sodium 4-aminodiphenyl sulfonate
Physical & Chemical Properties
- Physical State: Powder or crystalline solid
- Color & Odor: White to light brown; odorless
- Solubility: Soluble in water
- Density: Approx. 1.4 g/cm³
Safety & Hazard Attributes
- GHS Classification: May cause skin and eye irritation
- Toxicity: Low toxicity but avoid prolonged exposure
- Exposure Limits: Use appropriate industrial hygiene measures to minimize dust exposure
Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated place, protected from moisture and incompatible substances
- Container Type: Typically supplied in sealed plastic or fiber drums
- Shelf Life: Stable if stored under recommended conditions
- Handling Precautions: Use protective equipment; avoid dust generation and inhalation
- Storage Measures: Keep containers tightly closed and stored in a dry environment
Regulatory & Compliance Attributes
- Complies with industrial chemical safety regulations
- Used in formulations compliant with regional and international standards for antioxidants and stabilizers
Environmental & Health Impact
- Biodegradability: Not readily biodegradable
- Ecotoxicity: Should be handled to avoid environmental release; may be harmful to aquatic life at high concentrations
- Bioaccumulation: Not expected to bioaccumulate
Safety Handling Precautions
- PPE Required: Gloves, goggles, and dust mask recommended
- Handling Guidelines: Avoid inhalation and contact with skin or eyes; ensure good ventilation
- Storage Measures: Store away from strong oxidizers and moisture
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if irritation occurs
- Skin Contact: Wash thoroughly with soap and water; get medical advice if irritation develops
- Eye Contact: Rinse immediately with plenty of water for 15 minutes; seek medical attention if irritation persists
- Ingestion: Rinse mouth; seek medical attention if significant ingestion occurs
Firefighting Measures
- Fire Hazards: Non-flammable but may decompose under fire conditions producing toxic fumes
- Extinguishing Media: Water spray, foam, dry chemical, or CO₂
- Special Precautions: Wear full protective equipment and self-contained breathing apparatus
Hazardous Combustion Products: Sulfur oxides, nitrogen oxides, and other toxic fumes
Related products
Cedar Leaf oil
Methoxy benzophenone Sulfonic Acid
Methoxy Propanol (PM)Glycol Ether
Methoxy propyl acetate PMA
Methyl Ethyl Ketone (MEK)
Primary Uses
- Coatings and Paints
- Solvent in lacquers, varnishes, and paints to improve application and drying.
- Enhances film formation and gloss.
- Adhesives and Sealants
- Used as a solvent in adhesives, particularly for bonding plastics and rubber.
- Printing Inks
- Serves as a solvent to improve ink flow and drying characteristics.
- Cleaning and Degreasing
- Effective solvent for cleaning metal surfaces and removing grease and oil.
Secondary Uses
- Chemical Intermediate
- Used in the synthesis of pharmaceuticals, pesticides, and other chemicals.
- Laboratory Reagent
- Applied as a solvent in analytical and synthetic laboratory procedures.
- Plastics and Rubber Processing
- Utilized as a solvent in polymer coatings and rubber cements.