2,4-diamino-5-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]benzenesulfonic acid

2,4-diamino-5-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]benzenesulfonic acid is a complex organic compound with CAS number 27624-67-5 and molecular formula C14H16N4O9S3. This substance belongs to the azo dye family, characterized by its diazenyl functional group linking two aromatic systems. With a molecular weight of 480.5 g/mol, it contains multiple sulfonic acid groups and amino substituents, making it highly polar and water-soluble.

2,4-diamino-5-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]benzenesulfonic acid typically appears as a colored solid due to its azo structure. The presence of multiple sulfonic acid groups makes it highly water-soluble and hygroscopic. The compound has a molecular weight of 480.5 g/mol and contains three sulfur atoms within its structure. Its polar nature and ionic character result in good solubility in polar solvents, particularly water and alcohols.

2,4-diamino-5-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]benzenesulfonic acid is primarily used as a dye intermediate and colorant in textile and chemical industries. Its azo structure provides chromophoric properties essential for coloring applications. The compound serves as a building block for more complex dye formulations and may be used in specialized chemical synthesis. Its multiple functional groups make it suitable for chemical modifications and coupling reactions in industrial processes.

2,4-diamino-5-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]benzenesulfonic acid requires extreme caution due to its explosive properties (Expl. 1.1) and eye damage potential (Eye Dam. 1). Essential PPE includes explosion-proof equipment, safety goggles, chemical-resistant gloves, and protective clothing. Work in well-ventilated areas away from ignition sources, heat, and friction. Handle quantities as small as possible and follow strict protocols for explosive materials. Ensure emergency procedures are in place and personnel are trained in explosive substance handling.

2,4-diamino-5-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]benzenesulfonic acid must be stored in specialized explosive-rated facilities meeting regulatory requirements for Class 1.1 explosives. Store in original containers in cool, dry conditions away from heat sources, friction, and incompatible materials. Maintain strict inventory control and limit quantities. Ensure proper grounding of equipment and explosion-proof electrical installations. Regular inspection of storage conditions and containers is essential to prevent deterioration that could increase explosion risk.

Immediate action is crucial following contact with 2,4-diamino-5-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]benzenesulfonic acid due to its eye damage potential. For eye contact, flush immediately with large amounts of clean water for at least 15 minutes and seek urgent medical attention. For skin contact, remove contaminated clothing and wash thoroughly with soap and water. In case of ingestion or inhalation, seek immediate medical care. Never induce vomiting. Inform medical personnel about the substance's explosive and corrosive properties.

2,4-diamino-5-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]benzenesulfonic acid disposal requires specialized explosive waste management procedures due to its Class 1.1 explosive classification. Contact certified hazardous waste disposal companies experienced in explosive materials handling. Never attempt disposal through standard chemical waste streams or sewerage systems. The substance may also pose aquatic environmental risks (Aquatic Chronic 3). Follow local and international regulations for explosive waste disposal, including proper documentation and tracking throughout the disposal process.

2,4-diamino-5-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]benzenesulfonic acid transport requires compliance with dangerous goods regulations due to its explosive nature. Transportation must follow ADR/IMDG/IATA guidelines for Class 1.1 explosives, requiring specialized packaging, labeling, and documentation. Only qualified carriers with explosive materials permits can transport this substance. Vehicles must meet explosive transport specifications with proper placarding. Quantities are strictly limited, and specific routing requirements may apply. Coordination with authorities may be necessary for transport approval.

2,4-diamino-5-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]benzenesulfonic acid is subject to extensive regulations due to its explosive classification and hazardous properties. Under EU CLP Regulation, it requires specific hazard labeling with GHS01 and GHS05 pictograms. REACH registration may be required for commercial use. The substance is not currently listed as SVHC. Explosive regulations under national and international law apply for storage, handling, and transport. Environmental regulations may restrict discharge due to its aquatic toxicity classification.

2,4-diamino-5-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]benzenesulfonic acid is available through OYSI, a specialized European distributor of chemical products with expertise in handling hazardous materials. Due to the substance's explosive classification, purchase requires compliance with strict regulatory requirements and proper licensing. OYSI can provide guidance on regulatory compliance, safe handling procedures, and appropriate packaging options. Contact OYSI directly to discuss your specific requirements, as this substance requires specialized handling and may have restricted availability due to its hazardous nature.