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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2-Mercaptobenzimidazole is a kind of important Preparation Products And Raw materials, it is also known as 2-Mmbi;nocracmmb;VANOX MTI;vulkanoxmb2. The molecular formula is C8H8N2S, molecular weight is 164.23, and the CAS NO. is 583-39-1.
2-Mercaptobenzimidazole is white or light yellow crystalline powder, with bitter taste, the density is 1.42±0.02, it is soluble in ethanol, acetone and ethyl acetate, sparingly soluble in petroleum ether and dichloromethane, insoluble in carbon tetrachloride, benzene and water, non-toxic.
Used as Non-discoloring rubber antioxidant, 2-Mercaptobenzimidazole is mainly used in transparent, light or bright-colored rubber products, foam latex, electric cable (0.5%), rubber accelerator stabilizer (0.5-1.5%), thermal stabilizer in natural rubber or butadiene rubber (1-2%). It is not suitable for food-contact rubber products.Premium grade can be used as pharmaceutical intermediate.
Now we have know the basic information of 2-Mercaptobenzimidazole, but most chemicals have the risk to our body health, so does 2-Mercaptobenzimidazole. We should not only know what is 2-Mercaptobenzimidazole, but also get the knowledge about how to deal with the risk of 2-Mercaptobenzimidazole. So let me show you the knowledge.
1. FIRST AID MEASURES
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing give artificial respiration Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
2. FIRE-FIGHTING MEASURES
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special protective equipment for fire-fighters
Wear self contained breathing apparatus for fire fighting if necessary.
3. ACCIDENTAL RELEASE MEASURES
Personal precautions
Use personal protective equipment. Avoid dust formation. Avoid breathing dust. Ensure adequate ventilation.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Keep 2-Mercaptobenzimidazole in suitable, closed containers for disposal.
4. HANDLING AND STORAGE
Precautions for safe handling
Avoid 2-Mercaptobenzimidazole contact with skin and eyes. Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed. Normal measures for preventive fire protection.
Conditions for safe storage
Store 2-Mercaptobenzimidazole in cool place. Keep container tightly closed in a dry and well-ventilated place.
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