2-Mercaptobenzimidazole

CAS No.: 583-39-1
Formula: C7H6N2S
Molecular Weight: 150.2
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What is 2-Mercaptobenzimidazole

**Introduction to 2-Mercaptobenzimidazole (2-MBI)** 2-Mercaptobenzimidazole (2-MBI, CAS No. 583-39-1) is a versatile sulfur-containing heterocyclic compound widely used as an antioxidant, corrosion inhibitor, and rubber accelerator. Its molecular structure, featuring a benzimidazole ring with a thiol group, provides excellent metal-chelating and free-radical scavenging properties. In the rubber industry, 2-MBI acts as a non-discoloring stabilizer, enhancing the durability of vulcanized products. It also serves as an effective additive in lubricants, coatings, and pharmaceuticals due to its ability to inhibit oxidation and protect against degradation. With high thermal stability and low toxicity, 2-MBI is a valuable intermediate in organic synthesis and industrial applications, ensuring performance and longevity in diverse formulations.

2-Mercaptobenzimidazole Basic Info
Chemical Name 2-Mercaptobenzimidazole
Synonyms 1H-BENZO[D]IMIDAZOLE-2-THIOL;Mercaptobenzimidazole;Vulkanox;SuMilizer MB;Benzimidazole-2-thiol;2-BENZIMIDAZOLETHIOL;Benzimidazol-2-thiol;2-Mercapto benzanidazole;AOMB;asmmb
CAS No. 583-39-1
Molecular Formula C7H6N2S
Molecular Weight 150.2
PSA 67.48000
LogP 1.85160
2-Mercaptobenzimidazole Price
United States: $50-$100
China: $30-$60
Russia: $40-$80
Germany: $60-$120
India: $20-$40
Japan: $70-$140
Brazil: $40-$80
South Korea: $50-$100
Philippines: No results
United Kingdom: $70-$140
France: $80-$160
Mexico: $30-$60
Canada: $60-$120
South Africa: $25-$50
Egypt: $30-$60
South Africa: $25-$50
Turkey: $35-$70
Thailand: $30-$60
Indonesia: $25-$50
MSDS
MSDS
Name: 2-Mercaptobenzimidazole 98% Material Safety Data Sheet
Synonym: 2-Benzimidazolethiol; Antiegene MB
CAS: 583-39-1
Section 1 - Chemical Product   MSDS Name:2-Mercaptobenzimidazole 98% Material Safety Data Sheet
Synonym:2-Benzimidazolethiol; Antiegene MB

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
583-39-1 2-Mercaptobenzimidazole 98.0 209-502-6
Hazard Symbols: XI
Risk Phrases: 36/38

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Irritating to eyes and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation.
Ingestion:
May cause irritation of the digestive tract.
Inhalation:
May cause respiratory tract irritation.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
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:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical aid immediately.
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.
Notes to Physician:
Treat symptomatically and supportively.
Antidote: None reported.

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, 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.
Extinguishing Media:
In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 583-39-1: Personal Protective Equipment 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 to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Powder
Color: off-white
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 301.00 - 305.00 deg C
Autoignition Temperature: 480 deg C ( 896.00 deg F)
Flash Point: > 250 deg C (> 482.00 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: soluble in acetone, ethyl acetate and et
Specific Gravity/Density:
Molecular Formula: C7H6N2S
Molecular Weight: 150.20

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation, strong oxidants.
Incompatibilities with Other Materials:
Strong oxidizing agents - strong bases.
Hazardous Decomposition Products:
Hydrogen cyanide, nitrogen oxides, carbon monoxide, oxides of sulfur, irritating and toxic fumes and gases, carbon dioxide, nitrogen.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 583-39-1: DE1050000 LD50/LC50:
CAS# 583-39-1: Draize test, rabbit, eye: 500 mg/24H Mild; Draize test, rabbit, skin: 500 mg/24H Mild; Oral, mouse: LD50 = 750 mg/kg; Oral, rat: LD50 = 300 mg/kg.
Carcinogenicity:
2-Mercaptobenzimidazole - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Other No information available.

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/38 Irritating to eyes and skin.
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 583-39-1: 2
Canada
CAS# 583-39-1 is listed on Canada's DSL List.
CAS# 583-39-1 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 583-39-1 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A
SDS 1.0
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