2-(morpholinothio)benzothiazole
CAS Number
102-77-2
EC Number
203-052-4
Abbreviation
MBS
Industries: Rubber & Elastomers
What is 2-(morpholinothio)benzothiazole?
2-(Morpholinothio)benzothiazole (CAS 102-77-2) is a delayed-action rubber vulcanization accelerator. Also marketed as MBS, Santocure MOR or Sulfenax MOR.
Where is 2-(morpholinothio)benzothiazole used?
- Tire manufacturing: tread and sidewall compounds needing scorch resistance and consistent cure profiles
- Technical rubber goods: seals, gaskets and industrial hoses
- Latex compounding: cure timing in dipped goods and foam products without premature gelation
- Conveyor belt and automotive rubber component production
- It controls the rate and onset of cure in sulfur-based vulcanization systems.
Good to know: Often combined with secondary accelerators such as DPG or TMTD to fine-tune cure rate and state of cure. Buyers should confirm particle size distribution where dust control or dispersion consistency is a process requirement.
Commercial specifications
- Active content typically confirmed by melting point and HPLC assay
- Standard commercial grades meet rubber chemical purity specifications
Other Names (Synonyms)
Santocure MOR|Sulfenax MOR|Vulcafor BSM|Vulkacit MOZ|NOBS Special|Usaf cy-7|Accel NS|Benzothiazole, 2-(4-morpholinylthio)-|MBS
What are the physical properties of 2-(morpholinothio)benzothiazole?
Melting Point 80 °C
Boiling Point 413.1±55.0 °C(Predicted)
Density 1.34 g/cm³ @ Temp: 25 °C
Appearance Buff to brown flakes; sweet odor. Insoluble in water; solublein benzene, acetone, methanol.
Color White to Pale Yellow
Odor buff to brn. flakes, sweet odor
Form Solid
Vapor Pressure 0.001Pa at 25℃
Refractive Index 1.5650 (estimate)
Log P 3.4 at 25℃ and pH7
How is 2-(morpholinothio)benzothiazole classified and handled safely? Learn More
Warning
GHS07· Irritant GHS09· Environmental Hazard
Hazard Statements
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects
H411 Toxic to aquatic life with long lasting effects
Precautionary Statements
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
Which trade and regulatory codes apply to 2-(morpholinothio)benzothiazole?
HS Code 29342000
Storage Class 11 - Combustible Solids
WGK (Germany) 3