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

C14H20N2O8S2

CAS2074-50-2
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
2074-50-2
EC Number
218-196-3
UN Number
2781
Index Number
613-090-00-7
PubChem CID
62422

Physical-chemical properties

Molecular Formula
C14H20N2O8S2
Molar Mass
408.50 g/mol
IUPAC Name
1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate

Chemical Identifiers

InChI
InChI=1S/C12H14N2.2CH4O4S/c1-13-7-3-11(4-8-13)12-5-9-14(2)10-6-12;2*1-5-6(2,3)4/h3-10H,1-2H3;2*1H3,(H,2,3,4)/q+2;;/p-2
InChI Key
WXJYKXOIFICRPR-UHFFFAOYSA-L

Overview

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate (CAS 2074-50-2) is a bipyridinium quaternary ammonium compound with high toxicity and redox properties. This specialized chemical compound, also known by its EC number 218-196-3, represents a distinctive class of bipyridinium salts featuring two methylated pyridinium rings connected through a direct carbon-carbon bond. With a molecular formula of C14H20N2O8S2 and molecular weight of 408.5 g/mol, this quaternary ammonium compound exhibits unique electrochemical characteristics that distinguish it from simpler aromatic amines like N-methylaniline. The substance presents significant safety considerations, classified under multiple acute toxicity categories (Acute Tox. 2 and 3) with additional concerns for specific target organ toxicity. Its hazard profile includes skin and eye irritation properties (Skin Irrit. 2, Eye Irrit. 2), systemic toxicity effects (STOT SE 3, STOT RE 1), warranting the "Danger" signal word and requiring careful handling protocols. The compound falls under ADR class 6.1 for transportation, reflecting its toxic nature and necessitating specialized logistics management. Industrial applications primarily leverage its redox-active properties in electrochemical systems, including specialized battery technologies and electroplating processes. The bipyridinium structure also finds utility in certain catalytic applications and as an intermediate in pharmaceutical synthesis pathways. Research applications frequently utilize this compound in studies involving electron transfer mechanisms and viologen-based systems. Given its specialized nature and stringent safety requirements, proper handling expertise and regulatory compliance are essential for industrial users. OYSI provides comprehensive technical support and regulatory documentation to ensure safe and compliant use of this specialized chemical compound across European markets.

Safety & Classification

Danger
Classification:

Acute Tox. 2 *; Acute Tox. 3 *; Acute Tox. 3 *; STOT SE 3; STOT RE 1; Skin Irrit. 2; Eye Irrit. 2...

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H330

Fatal if inhaled.

H311

Toxic in contact with skin.

H301

Toxic if swallowed.

H335

May cause respiratory irritation.

H372

Causes damage to organs through prolonged or repeated exposure.

H315

Causes skin irritation.

H319

Causes serious eye irritation.

H400

Very toxic to aquatic life.

H410

Very toxic to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Fatal

Measures if vapours or dust are inhaled

First Aid Actions

  • +P304IF INHALED:
  • +P340Remove person to fresh air and keep comfortable for breathing.
  • +P311Call a POISON CENTER/doctor.

Related hazard statements:

Skin Contact

Toxic

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Irritant

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

Ingestion

Toxic

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number2781
ADR Class6.1
Packing GroupIII
Tunnel CodeE
Proper Shipping NameParaquatdimethylsulfat
Marine PollutantNo

Frequently Asked Questions

What is 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 quaternary ammonium compound with CAS number 2074-50-2. This chemical substance has a molecular formula of C14H20N2O8S2 and a molecular weight of 408.5 g/mol. It is classified as a highly toxic compound with multiple hazard classifications including acute toxicity, skin and eye irritation, and specific target organ toxicity. The substance requires careful handling due to its dangerous properties.

What are the physicochemical properties of 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 quaternary ammonium salt with a molecular weight of 408.5 g/mol and formula C14H20N2O8S2. As a methylsulfate salt of a bipyridinium compound, it typically appears as a crystalline solid at room temperature. The presence of charged nitrogen centers and sulfate counterions suggests good water solubility. Specific physical properties such as melting point, color, and odor should be confirmed from technical data sheets.

What is 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate used for?

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate is used primarily in research and specialized industrial applications. As a bipyridinium derivative, it may serve as an intermediate in pharmaceutical synthesis, electrochemical applications, or as a reagent in organic chemistry. Its quaternary ammonium structure makes it potentially useful in applications requiring ionic compounds. However, its high toxicity limits its use to professional and industrial settings with appropriate safety measures.

How to handle 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate safely?

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate requires strict safety precautions due to its Acute Tox. 2 and 3 classifications. Essential PPE includes chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or use fume hoods to prevent inhalation exposure. Avoid skin and eye contact completely. Handle only trained personnel should work with this substance, following established safety protocols and having emergency procedures readily available.

How to store 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate correctly?

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate must be stored in a cool, dry, well-ventilated area away from incompatible materials. Keep containers tightly sealed and properly labeled according to GHS requirements. Store in a designated hazardous materials area with restricted access due to its high toxicity classification. Ensure storage area has appropriate spill containment measures and emergency equipment. Regular inspection of container integrity is essential to prevent leaks or contamination.

What to do in case of contact with 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate?

Immediate action is critical due to the substance's high toxicity. For skin contact, remove contaminated clothing and rinse affected area with plenty of water for at least 15 minutes. For eye contact, flush immediately with water for 15-20 minutes while holding eyelids open. If inhaled, move to fresh air immediately. In case of ingestion, do not induce vomiting. Seek immediate medical attention in all cases and provide the safety data sheet to medical personnel.

How to dispose of 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate properly?

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate must be disposed of as hazardous waste through licensed waste management companies. Due to its ADR Class 6.1 classification and high toxicity, it cannot be disposed of through normal waste streams. Follow local and national regulations for hazardous waste disposal. Containers should be properly labeled and segregated. Consult your local environmental authority for specific disposal requirements and approved waste disposal facilities in your region.

How to transport 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 classified under ADR Class 6.1 (toxic substances), Packing Group III. Transportation requires compliance with dangerous goods regulations including proper packaging, labeling with GHS06, GHS08, and GHS09 pictograms, and appropriate transport documentation. Only certified carriers experienced in handling toxic materials should transport this substance. Vehicles must carry emergency equipment and drivers must have ADR certification for Class 6.1 materials.

Is 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate subject to specific regulations?

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate is subject to multiple regulatory frameworks including REACH registration requirements in the EU and CLP classification as a hazardous substance. While it is not currently listed as an SVHC (Substance of Very High Concern), its high toxicity classification means it falls under strict handling and reporting requirements. Users must comply with occupational safety regulations, chemical inventory reporting, and may need authorization for certain uses depending on local legislation.

Where to buy 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate in Europe?

1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate is available through specialized chemical distributors like OYSI across Europe. Due to its hazardous nature and regulatory requirements, purchase is typically restricted to qualified industrial users and research institutions. OYSI can provide technical support, safety documentation, and ensure proper packaging and transportation compliance. Contact OYSI directly for availability, technical specifications, and regulatory documentation required for your specific application and location.

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1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;methyl sulfate is a dangerous good. We support you with labeling, packaging, and transport documentation.

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Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.