Tris(trimethylsilyl)borate CAS No.: 4325-85-3

Product name: Tris(trimethylsilyl)borate (Cheeradd TMSB)
CAS No.:4325-85-3
Appearance:Colorless transparent liquid
Refractive Index(25℃) :1.3842
Melting Point:-35℃
Boiling Point:184℃
Flash Point:41℃


Quality specification:




≤ 20

Assay (GC, %)

≥ 99.90


It is mainly used as electrolyte additive for power lithium-ion battery. Reduce internal resistance. Improve cycle performance of low temperature, large charge and discharge rate at room temperature and high temperature. Reduce expansion rate of high temperature storage.

For samples, opened only in dry atmosphere (glove box or dry room), sealed again and stored in cool and dry place after used. For products, packed in stainless steel drum, it should be pressured out under positive pressure in drum and transported by coupling the plug on drum with the socket equipped on flexible pipe.

Package and Storage
The product is packed in stainless steel drum which equipped quick coupler and filled with nitrogen gas in inner, net weight 15KG or 150KG per drum. Samples are packed in aluminum bottle which is wrapped outside with aluminum foil pack.
The product is strictly forbid exposing to the sun. When keep tightly storing in cool and dry place, it has a shelf life of one year from date of production.