Sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate

Sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate is an organic chemical compound with the molecular formula C11H9NaO5S and CAS number 130-37-0. This sodium salt derivative of a naphthalene-based sulfonic acid has a molecular weight of 276.24 g/mol. It belongs to the class of aromatic sulfonate compounds and is characterized by its naphthalene ring structure with methyl and sulfonate functional groups, making it useful in various industrial applications.

Sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate is typically a crystalline solid at room temperature with good water solubility due to its sodium sulfonate group. The compound exhibits the characteristic properties of aromatic sulfonates, including thermal stability and ionic character in aqueous solutions. Its naphthalene backbone provides aromatic stability while the sulfonate group ensures hydrophilic behavior, making it suitable for applications requiring both organic compatibility and water solubility.

Sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate is primarily used as an intermediate in chemical synthesis and manufacturing processes. Its sulfonate structure makes it valuable in the production of dyes, pigments, and specialty chemicals. The compound may also serve as a surfactant or dispersing agent in various industrial formulations, and can be utilized in research and development applications requiring specific aromatic sulfonate chemistry.

Sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate should be handled with appropriate personal protective equipment including safety goggles, gloves, and protective clothing due to its skin and eye irritant properties (Skin Irrit. 2, Eye Irrit. 2). Work in well-ventilated areas and avoid direct contact with skin and eyes. Wash hands thoroughly after handling and ensure proper hygiene measures are maintained throughout the handling process.

Sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate should be stored in a cool, dry place away from incompatible materials and heat sources. Keep containers tightly closed and properly labeled in accordance with GHS requirements. Due to its aquatic toxicity classification (Aquatic Acute 1, Aquatic Chronic 1), storage areas must be designed to prevent environmental release and should include appropriate containment measures to protect water sources.

In case of skin contact with sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate, immediately wash the affected area with plenty of soap and water for at least 15 minutes. For eye contact, flush eyes thoroughly with clean water for at least 15 minutes and seek medical attention immediately. Remove contaminated clothing and wash before reuse. If irritation persists after initial treatment, consult a physician and provide them with the safety data sheet.

Sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate must be disposed of through licensed hazardous waste management facilities due to its environmental hazard classification. Never dispose of this substance in regular waste streams or discharge into water systems given its aquatic toxicity. Contact certified waste management companies for proper collection and treatment. Disposal must comply with local, national, and EU waste management regulations including the Waste Framework Directive.

Sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III for transportation purposes. This classification requires appropriate packaging, labeling, and documentation according to dangerous goods regulations. Transport vehicles must carry proper emergency equipment and documentation. Drivers must be trained in dangerous goods handling, and shipments must comply with ADR requirements for Class 9 substances throughout European transport networks.

Sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate is subject to REACH registration requirements and CLP classification and labeling regulations within the EU. The substance is not currently listed as a Substance of Very High Concern (SVHC). Users must comply with occupational exposure limits, environmental protection measures, and proper risk assessment procedures. Classification under GHS includes specific hazard communication requirements including the use of warning labels and pictograms GHS07 and GHS09.

Sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate is available through OYSI, a leading European distributor of specialty chemicals. OYSI provides reliable supply chains across Europe with proper regulatory compliance and technical support. As an established chemical distributor, OYSI ensures product quality, appropriate packaging, and complete documentation including safety data sheets and certificates of analysis to meet your industrial and research requirements throughout the European market.