2,2'-Bipyridine

Synonyms

alpha,alpha'-Dipyridyl; 2,2'-Bipyridin; 2,2'-Bipyridyl; 2,2'-Dipyridine; 2,2'-Dipyridyl; 2-(2-Pyridyl)pyridine; AA-DP; Bipyridine; CI-588; alpha,alpha'-Bipyridyl; alpha,alpha'-Dipyridine; alpha,alpha'-Dwupirydylu [Polish]; [ChemIDplus] UN2811

Category

Pyridines

Description

White solid; [Hawley] White or yellow crystalline solid; [MSDSonline]

Sources/Uses

Used as an iron chelating agent, indicator for photometric determination of metals (Ag, Cd, Cu, Fe, and Mo), and chemical intermediate in the production of the herbicide diquat; [HSDB] Formed as a pyrolysis product in tobacco smoke and also from the degradation of the herbicide paraquat; [Reference #1]

Comments

A skin, eye, and mucous membrane irritant; Emergency treatment: "Pyridine"; Pyridine is an irritant that causes CNS depression after ingestion of 1/2 cup or inhalation of 6-12 ppm; It can cause liver and kidney injury; [HSDB] A skin, eye, and respiratory tract irritant; [ICSC] A teratogen (limb malformations) in rat studies; [REPROTOX] An irritant; [MSDSonline] See "4,4'-Bipyridine" and "2,3'-Bipyridine."

Reference Link #1

Biomedical References

1.3E-05 mm Hg

Explanatory Notes

Flash point = 121 deg C; [eChemPortal: IUCLID] The Guide in the Emergency Response Guidebook is for "Toxic solid, organic, n.o.s."

Other CNS neurotoxin

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Activities

Activities with risk of exposure:

• Smoking cigarettes