Methyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate

Methyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate is an organic chemical compound with the molecular formula C12H11NO5 and CAS number 39562-27-1. This substance belongs to the class of nitrophenyl derivatives and has a molecular weight of 249.22 g/mol. It is classified as a skin sensitizer and presents chronic aquatic toxicity, requiring careful handling in industrial applications.

Methyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate is a chemical compound with a molecular weight of 249.22 g/mol and formula C12H11NO5. The presence of nitrophenyl and ester functional groups influences its physical properties. Specific data regarding appearance, melting point, boiling point, and solubility characteristics should be obtained from technical datasheets for precise handling and application requirements.

Methyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate is primarily used as an intermediate in organic synthesis and pharmaceutical research. Its nitrophenyl structure makes it valuable for developing various chemical compounds and active pharmaceutical ingredients. The compound may also find applications in specialty chemical manufacturing, research laboratories, and as a building block for more complex molecular structures in industrial chemistry.

Methyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate must be handled with appropriate personal protective equipment due to its skin sensitizing properties. Wear protective gloves, safety goggles, and suitable protective clothing. Ensure adequate ventilation in work areas and avoid direct skin contact. Follow GHS07 pictogram warnings and implement proper hygiene measures. Personnel should be trained on safe handling procedures before working with this substance.

Methyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate should be stored in a cool, dry, well-ventilated area away from incompatible materials. Keep containers tightly closed and protected from light and moisture. Due to its skin sensitizing properties, storage areas must be clearly labeled and access restricted to trained personnel. Ensure compliance with local storage regulations and maintain appropriate spill containment measures.

In case of skin contact with methyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, rinse immediately with clean water for 15 minutes. If inhaled, move to fresh air. Seek medical attention if irritation persists or allergic reactions develop, as this substance is a known skin sensitizer.

Methyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate must be disposed of according to local and national hazardous waste regulations. Due to its aquatic chronic toxicity classification, prevent release to water systems. Contact licensed waste disposal companies specialized in chemical waste management. Never dispose of this substance through regular waste streams or sewage systems. Maintain proper documentation of disposal activities as required by environmental regulations.

Methyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III. Transport must comply with ADR regulations for Class 9 substances, requiring appropriate packaging, labeling, and documentation. Use UN-approved packaging and ensure proper marking with GHS pictograms GHS07 and GHS09. Drivers must have appropriate ADR training and vehicles must carry required safety equipment.

Methyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate is subject to European REACH and CLP regulations due to its hazard classification as Skin Sens. 1 and Aquatic Chronic 2. It is not currently listed as a Substance of Very High Concern (SVHC). Companies must comply with safety data sheet requirements, proper labeling with Warning signal word, and appropriate risk management measures. Registration may be required depending on import/manufacturing volumes.

Methyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this compound with proper documentation, safety data sheets, and regulatory compliance support. As a professional chemical distributor, OYSI ensures quality products meeting European standards and can assist with technical specifications, safety requirements, and logistics for industrial customers across Europe.