Tris(trimethylsiloxy) borate is mainly used as an electrolyte additive for lithium-ion power battery, which can inhibit the increase of battery's internal resistance, improve the battery's cycle performance, enhance the battery's high rate cycle performance, and improve the battery's expansion performance during high temperature storage.
Tris(trimethylsiloxy) borate（TMSB）
Synonyms：Tris(trimethylsiloxy)boron; Boric acid tris(trimethylsilyl) ester
CAS No.：4325-85-3
EINECS No.：629-367-0
Molecular Formula：C9H27BO3Si3
Molecular Weight：278.376
Structure Formula：
Standard：
|
Items |
Specifications |
|
Appearance |
Colorless transparent liquid |
|
Color（APHA） |
≤20 |
|
Purity（GC） |
≥99.90% |
Properties：It is a colorless transparent liquid. Melting point: -35℃, Boiling point: 184℃, Density(25℃): 0.828g/cm3, Refractive index(25℃): 1.3842, Flash point: 41℃(closed loop).
Uses：Tris(trimethylsiloxy) borate is a functional additive, commonly used as a catalyst for polymerization, a neutron absorber, a surface protective agent in arc welding, and used as an intermediate raw material for synthesis of silicon-boron compounds. In recent years, with the vigorous development of new energy vehicles, Tris(trimethylsiloxy) borate is used as the electrolyte additive for lithium ion power battery, which can improve the internal resistance of the battery, so that the battery has better low temperature cycle, high rate normal temperature cycle, high temperature cycle and lower high temperature storage expansion performance.
Storage：Keep in a tightly container and store in a cool, dry and ventilated place. The recommended storage temperature is below 25℃. The shelf life is 6 months.
Packing：The product is packed in a stainless steel drum with nitrogen protection. New Weight 150kg or 200kg per drum.
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