1,4-Butane Sultone CAS 1633-83-6

Product name:1,4-Butane Sultone (Cheeradd BS)
CAS No.:1633-83-6
Density(25℃):1.331 g/cm3
Refractive Index(25℃) :1.464
Melting Point: 12.5~15℃
Boiling Point:>165℃ (25mm Hg(lit.))
Flash Point: 154℃


Quality specification




≤ 20

Assay (GC, %)

≥ 99.00

Moisture (Karl-Fischer, ppm)

≤ 100


It is mainly used as electrolyte additive for power lithium-ion battery. As a power battery additive, it can reduce the insertion of the battery solvent into the electrode, producing the life of the electrode, improving the power cycle efficiency. Increase the battery cycle performance and the battery life.

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 20KG or 200KG 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 below 25℃ ambient temperatures, it has a shelf life of six months from date of production.