MSDS of 2-Mercaptobenzimidazole

Chemical and physical properties:

Molecular Formula: C7H6N2S
Chemical Properties : yellow or white crystals
General Description : White to yellow crystals or cream colored powder. Slight odor.
Molecular Weight: 150.2
CAS Number: 583-39-1
Usage: 2-Mercaptobenzimidazole uses as an antidegradant, protecting rubber from oxidation. It is also used as an intermediate in the synthesis of Rabeprazole (R070500).

Synonyms of 2-Mercaptobenzimidazole: 

1,3-dihydro-2h-benzimidazole-2-thion;1,3-Dihydro-2H-benzimidazole-2-thione;1,3-Dihydro-benzoimidazole-2-thione;1H-Benzimidazol-2-ylhydrosulfide;2,3-Dihydro-1H-benzimidazole-2-thiol;2-Benzimidazolethione;2-Benzimidazolinethione;2-benzimidazolinthion

Product Specifications: 

MP : 300-304 degree C(lit.)
Density : 1.42
Fp : >250 degree C
Storage temp. : Refrigerator, Under Inert Atmosphere
Water Solubility : <0.1 g/100 mL at 23.5degreeC
Merck : 14,1082
BRN : 119867
Stability: Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference: 583-39-1(CAS DataBase Reference)
NIST Chemistry Reference: 2-Mercaptobenzimidazole(583-39-1)
EPA Substance Registry System: 2H-Benzimidazole- 2-thione, 1,3-dihydro-(583-39-1)

Potential Health Effects about 2-Mercaptobenzimidazole

Eye: 2-Mercaptobenzimidazole can cause eye irritation. 
Skin: Causes skin irritation. Harmful if absorbed through the skin. 
Ingestion: Harmful if swallowed. May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. 
Inhalation: Harmful if inhaled. Causes respiratory tract irritation. 
Chronic: No information found

First Aid Measures about 2-Mercaptobenzimidazole

Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. 
Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. 
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. Wash mouth out with water. 
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Do NOT use mouth-to-mouth resuscitation. 
Notes to Physician: Treat symptomatically and supportively. 



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