1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate is a bis-quaternary ammonium compound with CAS number 2074-50-2 and molecular formula C14H20N2O8S2. This chemical substance has a molecular weight of 408.5 g/mol and belongs to the pyridinium salt family. It is classified as a highly hazardous substance with multiple toxicity concerns, requiring careful handling and specialized safety measures in industrial applications.

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate is a quaternary ammonium salt that typically appears as a crystalline solid at room temperature. As a methylsulfate salt of a bipyridinium compound, it generally exhibits good water solubility due to its ionic nature. The compound's exact physical appearance, odor characteristics, and specific solubility parameters depend on purity and crystalline form, requiring consultation of detailed technical specifications for precise values.

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate is primarily used as a specialized chemical intermediate in research and industrial applications. Bipyridinium compounds like this are commonly employed in electrochemical applications, analytical chemistry, and as precursors for advanced materials synthesis. Due to its high toxicity classification, its use is typically restricted to professional and industrial settings where appropriate safety controls and expertise are available.

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate requires extensive safety precautions due to its Acute Tox. 2 classification and multiple hazard classes. Personnel must wear full protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods. Avoid skin and eye contact, inhalation, and ingestion. Emergency procedures and first aid measures must be readily accessible before handling.

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate must be stored in a secure, cool, dry place away from heat sources and incompatible materials. Due to its high toxicity classification, storage requires restricted access with appropriate warning labels and safety documentation. The container should be tightly sealed to prevent contamination and exposure. Storage areas must comply with local regulations for toxic substances and include appropriate spill containment measures.

Immediate medical attention is required for any contact with 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate due to its Acute Tox. 2 classification. For skin contact, remove contaminated clothing and rinse thoroughly with water for at least 15 minutes. In case of eye contact, flush immediately with clean water. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek emergency medical care. Always contact poison control or emergency services.

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate must be disposed of as hazardous waste according to local and European regulations due to its high toxicity classification. Disposal requires specialized hazardous waste contractors authorized to handle toxic substances. The waste must be properly labeled, documented, and transported according to ADR Class 6.1 requirements. Incineration at authorized high-temperature facilities is typically the preferred disposal method for such quaternary ammonium compounds.

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate is classified as ADR Class 6.1 (toxic substances), Packing Group III for transportation purposes. Transport requires appropriate UN-specification packaging with proper labeling including GHS06, GHS08, and GHS09 pictograms. Shipping documentation must include the correct UN number and hazard classifications. Transportation must comply with ADR regulations for toxic substances, including driver certification and vehicle requirements for dangerous goods transport.

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate is subject to comprehensive European chemical regulations under REACH and CLP due to its multiple hazard classifications. While not currently listed as a SVHC, its Acute Tox. 2 and STOT RE 1 classifications trigger strict labeling, safety data sheet, and handling requirements. Users must comply with occupational exposure limits, worker protection regulations, and may require authorization for certain uses depending on quantities and applications.

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate is available through OYSI, a specialized European distributor of technical chemicals. Due to its high toxicity classification and regulatory requirements, purchase is typically restricted to qualified industrial and research customers with appropriate safety infrastructure. Buyers must demonstrate compliance with handling and storage requirements for toxic substances. Contact OYSI directly for availability, technical specifications, and regulatory documentation required for this controlled substance.