Agent Name

Pyrazine

CAS Number

290-37-9

Formula

C4-H4-N2

Major Category

Nitrogen Compounds

Synonyms

1,4-Diazabenzene; 1,4-Diazine; Paradiazine; Piazine; p-Diazine; [ChemIDplus] UN1325

Category

Pyrazines

Description

Solid with a strong odor like pyridine; [Merck Index] White crystalline solid with a strong odor; [Alfa Aesar MSDS]

Sources/Uses

Used as a flavoring agent; [FDA]

Comments

Intraperitoneal LD50 (mouse) = 2,730 mg/kg; [RTECS] Safe when used as a flavoring agent in food; [JECFA] A skin and strong eye irritant; [Alfa Aesar MSDS]

Exposure Assessment
Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Flammable solid, organic, n.o.s."

Links to Other NLM Databases
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Chemical Information

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