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Paraquat

Paraquat is the trade name for N,N′-dimethyl-4,4′-bipyridinium dichloride, is the organic compound with the formula [(C4H4N)2]Cl2. It is classified as a viologen, a family of redox-active heterocycles of similar structure.



Paraquat

Paraquat.svg

Names

IUPAC name
1,1'-Dimethyl-4,4'-bipyridinium dichloride

Other names
Paraquat dichloride; Methyl viologen dichloride; Crisquat; Dexuron; Esgram; Gramuron; Ortho Paraquat CL; Para-col; Pillarxone; Tota-col; Toxer Total; PP148; Cyclone; Gramixel; Gramoxone; Pathclear; AH 501.

Identifiers

CAS Registry Number

1910-42-5 

Properties

Chemical formula

C12H14Cl2N2

Molar mass

257.16 g·mol−1

Appearance

Yellow solid

Odor

faint, ammonia-like

Density

1.25 g/cm3

Melting point

175 to 180 °C (347 to 356 °F; 448 to 453 K)

Boiling point

> 300 °C (572 °F; 573 K)

Solubility in water

High

Vapor pressure

<0.0000001 mmHg (20°C)