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Chemical Name: 2- Mercaptobenzothiazole
CAS NO.: 149-30-4
Product Specification:
| Appearance | Offwhite to yellowish powder | |
| Purity(HPLC), % | ≥ | 97.0 |
| Heat Loss(65°C ),% | ≤ | 0.30 |
| Ash(550℃）,% | ≤ | 0.30 |
| Initial Melting Point by Capillary,°C | ≥ | 170.0 |
| Residue on sieve(150 μm),% | ≤ | 0.10 |
◆ Performance & Application:
MBT is an important accelerator product, which is widely used in rubber products；
MBT is an intermediate mainly used to manufacture CBS、NS et。
◆ Packaging: Paper/plastic packages with a net weight of 25 kg per package. Or FIBC with a net weight 500kg per package.
◆ Transportation Condition: Clear vehicle with ceiling, avoiding sunshine, rain and long-term extrusion， keeping away from hot source.
| Name | 2-Mercaptobenzothiazole |
| Synonyms | M MBT 2-MBT Z-MBT 2-Benzothiazolethiol Rubber Accelerator M Sulfur Accelerator M Benzothiazole-2-thiol Rubber Accelerator MBT 2-Mercaptobenzothiazole 1,3-benzothiazole-2(3H)-thione Rubber Pharmaceutical intermediate Refined(M) |
| CAS | 149-30-4 |
| EINECS | 205-736-8 |
| InChI | InChI=1/C7H5NS2/c9-7-8-5-3-1-2-4-6(5)10-7/h1-4H,(H,8,9) |
| Molecular Formula | C7H5NS2 |
| Molar Mass | 167.25 |
| Density | 1.46g/cm3 |
| Melting Point | 172-180℃ |
| Boling Point | 305°C at 760 mmHg |
| Flash Point | 138.3°C |
| Water Solubility | <0.1 g/100 mL at 19℃ |
| Solubility | Soluble in alkali and carbonate solution, soluble in glacial acetic acid in appropriate amount, almost insoluble in water. |
| Vapor Presure | 0.000844mmHg at 25°C |
| Appearance | Crystallization |
| Storage Condition | 2-8℃ |
| Sensitive | Sensitive to air and light |
| Refractive Index | 1.783 |
| MDL | MFCD00005781 |
| Physical and Chemical Properties | Density 1.42 melting point 172-180°C flash point 243°C (dec.) water solubility <0.1g/100 mL at 19°C |
| Use | Mainly used in the manufacture of tires, inner tube, tape, rubber shoes and other industrial rubber products |
| Hazard Symbols | Xi – Irritant N – Dangerous for the environment |
| Risk Codes | R43 – May cause sensitization by skin contact R50/53 – Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S24 – Avoid contact with skin. S37 – Wear suitable gloves. S60 – This material and its container must be disposed of as hazardous waste. S61 – Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3077 |
| Downstream Products | Inhibitor 2,2′-Dithiobis(benzothiazole) Benzothiazole corrosion inhibitor PBTCA-type N,N-Dicyclohexyl-2-benzothiazolsulfene amide N-Cyclohexyl-2-benzothiazolesulfenamide 2-(Morpholinothio)benzothiazole N-tert-Butyl-2-benzothiazolesulfenamide 2-Chlorobenzothiazole N-methylbenzothiazol-2-amine scale inhibitor and sipersant TS-104 scale agent QⅠ-105 Accelerator DBM 2-((Difluoromethyl)sulfonyl)benzo[d]thiazole, 98% 2-Amino-6-nitrobenzothiazole 2-Methylmercaptobenzothiazole |
| Vapor pressure | <0.000003 hPa (25 °C) |
| refractive index | 1.6100 (estimate) |
| flash point | 243 °C |
| storage conditions | Store below +30°C. |
| solubility | 0.12g/l |
| acidity coefficient (pKa) | 9.80±0.20(Predicted) |
| morphology | Powder |
| color | Yellow |
| Odor | Odorless |
| PH value | 7 (0.12g/l, H2O, 25℃) |
| explosion limit value (explosive limit) | 15%(V) |
| water solubility | <0.1 g/100 mL at 19 °C |
| maximum wavelength (& lambda;max) | 325nm(MeOH)(lit.) |
| sensitivity | Air Sensitive |
| Merck | 14,5868 |
| BRN | 119484 |
| stability | Stable. Incompatible with strong oxidizing agents. Flammable. |
| InChIKey | YXIWHUQXZSMYRE-UHFFFAOYSA-N |
| (IARC) Carcinogen Classification | 2A (Vol. 115) 2018 |
| NIST chemical information | 2-Mercaptobenzothiazole(149-30-4) |
| EPA chemical information | 2-Mercaptobenzothiazole (149-30-4) |
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