Sodium Diphenylamin Sulphonate Extra Pure
Sodium Diphenylamin Sulphonate Extra Pure is a white to pale yellow crystalline powder used primarily as an analytical reagent and corrosion inhibitor. It functions as a redox indicator and stabilizer in chemical reactions, making it valuable for laboratory and industrial applications. It also serves as an intermediate in dye and pharmaceutical synthesis. Its Extra Pure grade ensures minimal impurities, suitable for sensitive chemical processes. Proper storage and handling maintain its stability and effectiveness.
Sodium Diphenylamin Sulphonate Extra Pure
PRIMARY USES
Analytical Reagent & Laboratory Applications:
• Used as an indicator and reagent in redox titrations
• Employed in detection and quantitative analysis of nitrites and nitrates
• Acts as a stabilizer and corrosion inhibitor in specific chemical processes
Pharmaceutical & Chemical Manufacturing:
• Utilized in synthesis of dyes and pharmaceuticals
• Functions as an intermediate in organic synthesis involving sulphonate derivatives
Corrosion Inhibition:
• Applied as an inhibitor to protect metals, especially in acidic environments
• Used in industrial water treatment to prevent rust and scale formation
SECONDARY USES
Textile & Dye Industry:
• Used as an intermediate in dye manufacture and textile processing
Research & Development:
• Employed in experimental and research chemistry for specialized analytical techniques
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Basic Identification Attributes
• Chemical Name: Sodium Diphenylamin Sulphonate
• CAS Number: 2832-00-6
• HS Code: 2921.42.00
• Molecular Formula: C₁₂H₁₀NNaO₃S
• Synonyms:
- Sodium diphenylamine sulfonate
- Diphenylamine sulphonate sodium salt
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Physical & Chemical Properties
Physical State: Solid (powder or crystalline)
• Color & Odor: White to pale yellow, odorless or faint aromatic odor
• Melting Point: Decomposes before melting (~250 °C)
• Density/Specific Gravity: ~1.3 g/cm³
• Solubility:
- Soluble in water
- Insoluble in organic solvents such as ethanol and ether
• pH Level: Mildly alkaline in aqueous solution
• Vapor Pressure & Volatility: Negligible
• Flash Point: Not applicable (non-flammable)
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Safety & Hazard Attributes
Hazard Class (GHS Classification):
- May cause skin and eye irritation
• NFPA Ratings: - Health: 1
- Flammability: 0
- Reactivity: 0
• Exposure Limits: - No specific OSHA PEL or ACGIH TLV established
• Reactivity: - Stable under recommended storage conditions
- Avoid contact with strong oxidizers
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Storage & Handling Attributes
Storage Conditions:
- Store in a cool, dry, and well-ventilated area
- Protect from moisture and direct sunlight
• Incompatible Materials: - Strong oxidizing agents
• Container Type: - Plastic or glass containers, sealed to prevent moisture ingress
• Shelf Life & Expiration Date: - Stable for several years if stored properly
• Special Handling Requirements: - Avoid dust formation
- Use protective equipment during handling
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Regulatory & Compliance Attributes
Regulatory Status:
- Approved for laboratory and industrial use
- Not typically used in food or pharmaceutical applications
• Transportation Restrictions: - Not classified as hazardous for transport
• Waste Disposal Method: - Dispose according to local environmental regulations
- Non-hazardous waste classification
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Environmental & Health Impact
Ecotoxicity:
- Data limited; presumed low environmental toxicity
• Persistence in Environment: - Expected to degrade slowly due to sulphonate group
• Carcinogenicity/Mutagenicity: - Not classified as carcinogenic or mutagenic
• Biodegradability: - Low biodegradability; inorganic-organic compound
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
• Wear chemical-resistant gloves
• Use safety goggles or face shield
• Wear protective clothing to avoid skin contact
• Use dust mask or respirator if handling powder in bulk
Handling:
• Avoid inhalation of dust
• Handle in well-ventilated area
• Wash hands thoroughly after handling
Storage:
• Store in tightly sealed containers
• Keep away from moisture, strong oxidizers, and sunlight
FIRST AID MEASURES
Inhalation:
• Move to fresh air immediately
• Seek medical attention if breathing difficulties occur
Skin Contact:
• Wash skin with plenty of water and soap
• Remove contaminated clothing
• Seek medical attention if irritation develops
Eye Contact:
• Rinse eyes with plenty of water for at least 15 minutes
• Seek medical advice if irritation persists
Ingestion:
• Rinse mouth with water
• Do not induce vomiting
• Seek medical advice if symptoms develop
FIRE FIGHTING MEASURES
Flammability:
• Non-flammable solid
Extinguishing Media:
• Use water spray, foam, dry chemical, or CO₂
Hazardous Combustion Products:
• May produce toxic fumes containing nitrogen oxides and sulfur oxides on decomposition
Firefighter Protection:
• Use self-contained breathing apparatus (SCBA) and full protective gear