ChemicalBook >>Pyrazinamide>>Pyrazinecarboxamide(98-96-4)

Pyrazinecarboxamide(98-96-4)

Pyrazinecarboxamide(98-96-4)
Product IdentificationBack to Contents
【Product Name】

Pyrazinecarboxamide
【Synonyms】

Pyrazine carboxamide
Pyrazine-2-carboxamide
【CAS】

98-96-4
【Formula】

C5H5N3O
【Molecular Weight】

123.12
【EINECS】

202-717-6
【RTECS】

UQ2275000
【RTECS Class】

Tumorigen; Drug; Mutagen; Reproductive Effector; Human Data
【Merck】

12,8140
【Beilstein/Gmelin】

112306
【Beilstein Reference】

5-25-04-00178
Physical and Chemical PropertiesBack to Contents
【Appearance】

White powder.
【Solubility in water】

15 g/L
【Melting Point】

188 - 191
【Boiling Point】

357
【Vapor Pressure】

3E-5 (25 C)
【pKa/pKb】

13.91 (pKa)
【Partition Coefficient】

-.37
【Heat Of Vaporization】

60.3 kJ/mol
【Usage】

Antibacterial (tuberculostatic).
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store below 40C.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Ingestion】

May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. Ingestion of large amounts may cause an increase in blood pressure.
【Inhalation】

May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】

May cause skin irritation. Contact with the skin may cause photosensitivity.
【Eyes】

May cause eye irritation. May cause painful sensitization to light.
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Fire Fighting MeasuresBack to Contents
【Flash Point】

170
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Disposal Code】

3
【Incompatibilities】

Oxidizing agents.
【Stability】

Stable under normal temperatures and pressures.
【Decomposition】

Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.
Transport InformationBack to Contents
【HS Code】

2933 99 90
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