2-Mercaptobenzothiazole
- Createtime： 2026-04-14
- Updatetime： 2026-04-15
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Molecular Weight |
167.25 g/mol
|
| aliasen |
|
| supplyCapacity |
50000MT/Month
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Appearance |
Light yellow to off-white crystalline powder
|
Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: 2-Mercaptobenzothiazole
CAS Number: 149-30-4
Alias: MBT, 2-Benzothiazolethiol
Molecular Formula: C7H5NS2
Molecular Weight: 167.25 g/mol
IUPAC Name: 1,3-benzothiazole-2-thiol
Structural Information
- Structure Type: Aromatic heterocyclic sulfur compound
- Structural Features: Fused benzene and thiazole ring with a thiol group at the 2-position. Possesses strong chelating and vulcanization accelerating properties.
Physical & Chemical Properties
- Appearance: Light yellow to off-white crystalline powder
- Odor: Slight unpleasant odor
- Melting Point: 177–181 °C
- Density: 1.42 g/cm3 (20 °C)
- Solubility: Insoluble in water; soluble in ethanol, ether, acetone, dilute alkali solutions; slightly soluble in benzene
- Stability: Stable under normal conditions. Decomposes at high temperature. Reacts with strong oxidants and heavy metal ions.
Synthesis & Applications
Synthesis Method
Produced by condensation reaction of aniline, carbon disulfide and sulfur under heating. Purified via recrystallization.
Main Applications
- Rubber Industry: Primary vulcanization accelerator for natural rubber and synthetic rubber.
- Corrosion Inhibitor: Used as metal rust inhibitor and copper alloy protective agent.
- Flotation Agent: Mineral flotation reagent in mining industry.
- Organic Synthesis: Intermediate for fungicides, dyes and pharmaceutical products.
Safety & Storage Instructions
- Hazard Classification: Irritant; irritates skin, eyes and respiratory tract. Harmful if swallowed.
- Personal Protection: Wear dust mask, safety goggles and chemical resistant gloves. Avoid dust inhalation and direct contact.
- Storage Condition: Keep containers tightly sealed. Store in cool, dry, ventilated area. Keep away from heat, fire and strong oxidants.
- Transportation: General chemicals. Prevent package damage and dust leakage.
Quality & Spectral Data
- Purity (HPLC): ≥99.0%
- Loss on Drying: ≤0.3%
- Ash Content: ≤0.1%
- Melting Range: 177–181 °C
- IR Spectrum: Characteristic absorption peaks conform to standard reference spectrum
Information Summary Table
| Item | Specification |
| CAS Number | 149-30-4 |
| Product Name | 2-Mercaptobenzothiazole |
| Synonym | MBT, 2-Benzothiazolethiol |
| Molecular Formula | C7H5NS2 |
| Molecular Weight | 167.25 g/mol |
| Appearance | Light yellow crystalline powder |
| Melting Point | 177–181 °C |
| Solubility | Insoluble in water; soluble in alcohols, dilute alkalis |
| Purity | ≥99.0% (HPLC) |
| Storage Condition | Sealed, cool dry place, away from oxidants & fire |
| Hazard Property | Skin/eye irritant, harmful by ingestion |
| Main Usage | Rubber vulcanization accelerator, corrosion inhibitor, flotation agent |
