Promoter TBSI CAS 3741-80-8
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Category：Chemical Additives | Brand：MT
Introduction
Chemical Name: N-tert-butyl-bis-(2-benzothiazolesulfen)amide
CAS NO.: 3741-80-8
Product Specification:
| Appearance | Whitish Powder | |
| Purity(by HPLC),% | ≥ | 87.50 |
| Heat Loss(3h at 65°C), | ≤ | 0.50 |
| Ash(550°C),% | ≤ | 0.50 |
| Initial Melting Point byCapillary,°C | 128.0-140.0 | |
| Melting Point by DSC | 130.0-142.0 | |
| Fineness(80 μm residue),% | ≤ | 0.30 |
◆ Performance:
-TBSI is an important sulfidizing accelerator, which can prolong the scorch time and has strong flat vulcanization performance;
-TBSI does not produce carcinogenic nitrosamines in application, and can replace NOBS, TBBS and CDBS;
◆ Application:
-TBSI can be applied to tires and rubber products, especially to cord compounds for tires and thick rubber products that have high requirements for vulcanization.
◆ Packaging: Paper/plastic packages with a net weight of 25kg per package.
◆ Transportation Condition: Clear vehicle with ceiling, avoiding sunshine, rain and long-term extrusion， keeping away from hot source.
3741-80-8 – Names and Identifiers
| Name | N-Benzothiazol-2-ylsulfanyl-N-tert-butyl-benzothiazole-2-sulfenamide |
| Synonyms | VANAX 833 VANAX PML VANAX CPA VANAX TBSI Vulcanization Accelerator N-TERT-BUTYL-BENZOTHIAZOLE SULFENIMIDE DIMETHYLAMMONIUM HYDROGEN ISOPHTHALATE DI-ORTHO-TOLYLGUANIDINE SALT OF DICATECHOL BORATE N-Benzothiazol-2-ylsulfanyl-N-tert-butyl-benzothiazole-2-sulfenamide |
| CAS | 3741-80-8 |
| EINECS | 407-430-1 |
3741-80-8 – Physico-chemical Properties
| Molecular Formula | C18H17N3S4 |
| Molar Mass | 403.6 |
| Density | 1.42±0.1 g/cm3(Predicted) |
| Melting Point | 143-144 °C |
| Boling Point | 545.8±33.0 °C(Predicted) |
| Water Solubility | 1.75μg/L at 20℃ |
| Vapor Presure | 0.001Pa at 20℃ |
| pKa | 0.39±0.10(Predicted) |
3741-80-8 – Risk and Safety
| Hazard Symbols | N – Dangerous for the environment |
| Risk Codes | 50/53 – Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | 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. |
3741-80-8 – References
| LogP | 6.7 at 20℃ |
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