(E)-but-2-enedioic acid

(E)-but-2-enedioic acid is a dicarboxylic acid with the molecular formula C4H4O4 and CAS number 110-17-8. Also known as fumaric acid, it is an unsaturated organic compound with a molecular weight of 116.07 g/mol. This substance exists as a white crystalline solid at room temperature and is classified as an eye irritant (Eye Irrit. 2) under GHS classification, requiring appropriate safety precautions during handling.

(E)-but-2-enedioic acid appears as white crystalline powder or granules at room temperature. It has a molecular weight of 116.07 g/mol and is moderately soluble in water. The compound is stable under normal conditions but may decompose at high temperatures. It exhibits typical properties of dicarboxylic acids, including the ability to form salts and esters. The substance has no characteristic odor and maintains its crystalline structure under standard storage conditions.

(E)-but-2-enedioic acid serves multiple industrial applications including food additives, pharmaceutical intermediates, and chemical synthesis. It is commonly used in the production of polyester resins, unsaturated polyester compounds, and as a pH regulator in various formulations. The compound also finds application in the manufacture of specialty chemicals, coating materials, and as a building block in organic synthesis processes across various industrial sectors.

(E)-but-2-enedioic acid requires careful handling due to its eye irritation properties (Eye Irrit. 2). Wear appropriate personal protective equipment including safety goggles, gloves, and protective clothing to prevent eye and skin contact. Ensure adequate ventilation in work areas and avoid generating dust. Handle in well-ventilated areas away from heat sources and incompatible materials. Follow standard chemical handling procedures and maintain good personal hygiene practices.

(E)-but-2-enedioic acid should be stored in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly closed and store in original packaging when possible. Maintain storage temperatures below 25°C to prevent degradation. Separate from incompatible materials such as strong bases and oxidizing agents. Ensure storage areas are equipped with appropriate spill containment measures and are accessible for emergency response.

Eye contact with (E)-but-2-enedioic acid requires immediate flushing with clean water for at least 15 minutes while holding eyelids open. Remove contact lenses if present and easily removable. For skin contact, wash thoroughly with soap and water. If inhaled, move to fresh air immediately. Remove contaminated clothing and wash before reuse. Seek medical attention if irritation persists or if large amounts were involved. Do not rub affected eyes.

(E)-but-2-enedioic acid waste must be disposed of according to local, national, and EU waste regulations. Contact licensed waste disposal companies for proper treatment and disposal. Do not discharge into drains, waterways, or soil. Small quantities may be neutralized carefully before disposal where permitted by local regulations. Contaminated packaging should be treated as hazardous waste unless thoroughly cleaned. Always consult current waste disposal regulations in your jurisdiction.

(E)-but-2-enedioic acid transport requirements depend on quantity and packaging specifications. While specific ADR classification data is not provided, general chemical transport regulations apply. Use appropriate packaging materials that prevent leakage and contamination. Ensure proper labeling with GHS07 pictogram and warning signal word. Transport vehicles should be equipped for chemical spills and drivers properly trained. Consult current ADR regulations and transport authorities for specific classification requirements.

(E)-but-2-enedioic acid is subject to standard EU chemical regulations including REACH and CLP classification requirements. It is not listed as a Substance of Very High Concern (SVHC). The substance must be labeled with GHS07 pictogram and 'Warning' signal word due to its eye irritation properties. Suppliers must provide safety data sheets and comply with registration requirements. Users should verify compliance with sector-specific regulations applicable to their intended use.

(E)-but-2-enedioic acid is available through OYSI, a European distributor of technical chemicals serving various industrial sectors. OYSI provides reliable supply chains across Europe with appropriate documentation including safety data sheets and certificates of analysis. As a specialized chemical distributor, OYSI ensures compliance with EU regulations and maintains quality standards for industrial applications. Contact OYSI directly for availability, specifications, and technical support for your specific requirements.