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Benzimidazole(51-17-2)

Benzimidazole(51-17-2)
Product IdentificationBack to Contents
【Product Name】

Benzimidazole
【Synonyms】

1,3-Benzodiazole
1H-Benzimidazole
3-Azaindole
Azindole
Benziminazole
o-Benzimidazole
【CAS】

51-17-2
【Formula】

C7H6N2
【Molecular Weight】

118.14
【EINECS】

200-081-4
【RTECS】

DD5425000
【RTECS Class】

Agricultural Chemical and Pesticide; Mutagen
【Merck】

13,1082
【Beilstein/Gmelin】

109682
【Beilstein Reference】

5-23-06-00196
Physical and Chemical PropertiesBack to Contents
【Appearance】

White tabular crystals.
【Solubility in water】

2.0 g/L (30 C)
【Melting Point】

170 - 173
【Boiling Point】

360
【Vapor Pressure】

5E-5 (25 C)
【Density】

1.23 g/cm3
【pKa/pKb】

8.52 (pKb)
【Partition Coefficient】

1.32
【Heat Of Vaporization】

58.2 kJ/mol
【Heat Of Combustion】

-3692 kJ/mol
【Usage】

A group of systemic fungicides benzimidazoles.
First Aid MeasuresBack to Contents
【Ingestion】

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
【Inhalation】

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

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

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

Store in a cool, dry place. Keep container closed when not in use.
【Handling】

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

The toxicological properties of this substance have not been fully investigated.
【Inhalation】

The toxicological properties of this substance have not been fully investigated.
【Skin】

No information regarding skin irritation and other potential effects was found.
【Eyes】

No information regarding eye irritation and other potential effects was found.
【EC Safety Phrase】

S 22 24/25
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 and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
【Respirators】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting MeasuresBack to Contents
【Flash Point】

208
【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, dry chemical, chemical foam, or alcohol-resistant foam.
【Fire Potential】

This material is probably combustible.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal.
Stability and ReactivityBack to Contents
【Disposal Code】

3
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents.
【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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