5-Amino-1,3-dihydro-2H-benzimidazol-2-one(95-23-8)

Contents

Product Identification	Back to Contents
【Product Name】 5-Amino-1,3-dihydro-2H-benzimidazol-2-one
【Synonyms】 2H-Benzimidazol-2-one, 5-amino-1,3-dihydro- 5-Amino-1,3-dihydrobenzimidazol-2-on
【CAS】 95-23-8
【Formula】 C7H7N3O
【Molecular Weight】 149.15
【EINECS】 202-401-8
【Beilstein/Gmelin】 137924
【Beilstein Reference】 5-25-15-00032

Physical and Chemical Properties	Back to Contents
【Appearance】 Solid.
【Boiling Point】 201
【Vapor Pressure】 0.31 (25 C)
【pKa/pKb】 7.48 (pKb)
【Partition Coefficient】 -.17
【Heat Of Vaporization】 43.8 kJ/mol
【Heat Of Combustion】 -3337 kJ/mol

First Aid Measures	Back to Contents
【Ingestion】 Get medical aid. Wash mouth out with 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.
【Eyes】 Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage	Back to Contents
【Storage】 Store in a cool, dry place. Store in a tightly closed container.
【Handling】 Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.

Hazards Identification	Back to Contents
【Ingestion】 May cause irritation of the digestive tract. May be harmful if swallowed.
【Inhalation】 Causes respiratory tract irritation. May be harmful if inhaled.
【Skin】 Causes skin irritation. May be harmful if absorbed through the skin.
【Eyes】 Causes eye irritation.

Exposure Controls/Personal Protection	Back to Contents
【Personal Protection】 Skin: Wear appropriate protective 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.

Fire Fighting Measures	Back to Contents
【Flash Point】 76
【Fire Fighting】 Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use foam, dry chemical, or carbon dioxide.

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

Stability and Reactivity	Back to Contents
【Stability】 No data.
【Incompatibilities】 Strong oxidizing agents, acids, acetic anhydride, acid chlorides, carbon dioxide.
【Decomposition】 Nitrogen oxides, carbon monoxide, carbon dioxide.

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Company Name:	Shanghai Sinch Parmaceuticals Tech. Co. Ltd.
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