Product Identification

Product Name

Pyrazinecarbonitrile

Synonyms

Cyanopyrazine
Pyrazine-2-carbonitrile
Pyrazinenitrile
Pyrazinonitrile

CAS

19847-12-2

Formula

C5H3N3

Molecular Weight

105.1

EINECS

243-369-5

Beilstein/Gmelin

110008

Beilstein Reference

5-25-04-00182

EC Class

irritant

Physical and Chemical Properties

Solubility in water

Very soluble

Melting Point

20

Boiling Point

198

Vapor Pressure

0.08 (25 C)

Density

1.174 g/cm3 (20 C)

Partition Coefficient

-.15

Heat Of Vaporization

46.3 kJ/mol

Refractive Index

1.54 (20 C)

First Aid Measures

Ingestion

Seek medical assistance.

Inhalation

Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.

Skin

Remove and isolate contaminated clothing and shoes. Remove material from skin immediately. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.

Eyes

Immediately flush with running water for at least 20 minutes.

Hazards Identification

Inhalation

Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Effects of contact or inhalation may be delayed.

Skin

Avoid any skin contact. See Inhalation.

Eyes

See Inhalation.

EC Risk Phrase

R 21/22

EC Safety Phrase

S 36/37

UN (DOT)

3276

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate protective gloves, clothing and goggles.

Respirators

Wear positive pressure self-contained breathing apparatus (SCBA).

Poison Class

3 (Strong toxins)

Fire Fighting Measures

Flash Point

91

Fire Fighting

Use method most appropriate to fight surrounding fire.

Fire Potential

Non-Combustible

Accidental Release Measures

Small spills/leaks

Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.

Stability and Reactivity

Disposal Code

3

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

3276

HS Code

2933 99 90