Product Identification
【Product Name】5-Nitrobenzimidazole
【Synonyms】6-Nitro-1H-benzimidazole 6-硝基苯并咪唑
【CAS】94-52-0
【Formula】C7H5N3O2
【Molecular Weight】163.13999999999999
【EINECS】202-341-2
【RTECS】DD9800000
【RTECS Class】Agricultural Chemical and Pesticide; Tumorigen; Mutagen
【Beilstein/Gmelin】7926
【Beilstein Reference】4-23-00-01101

Physical and Chemical Properties
【Appearance】Off-white to pale yellow fluffy powder.
【Solubility in water】>250 mg/L
【Melting Point】200~203℃
【Partition Coefficient】.91
【Usage】Antifogging agent in photographic developers.

First Aid Measures
【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. 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 Storage
【Storage】Store in a cool, dry place. Store in a tightly closed container.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Avoid contact with skin and eyes. Do not ingest or inhale. Use only in a chemical fume hood.

Hazards Identification
【Inhalation】Inhalation of high concentrations may cause central nervous system effects characterized by headache, dizziness, unconsciousness and coma. May cause respiratory tract irritation. Irritation may lead to chemical pneumonitis and pulmonary edema.
【Skin】May cause skin irritation. May be absorbed through the skin in harmful amounts.
【Eyes】May cause eye irritation.
【Ingestion】May cause irritation of the digestive tract. May cause central nervous system depression, kidney damage, and liver damage. Symptoms may include: headache, excitement, fatigue, nausea, vomiting, stupor, and coma.
【EC Risk Phrase】R 22 40
【EC Safety Phrase】S 22 36/37 45
【UN (DOT)】2811

Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety ggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【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.
【Exposure Effects】Possible cancer hazard based on tests with laboratory animals.

Fire Fighting Measures
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity
【Disposal Code】3
【Stability】
Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents, strong bases.
【Decomposition】Nitrogen oxides, carbon monoxide, carbon dioxide.

Transport Information
【UN Number】2811
【HS Code】2933 99 90