Electrolyte additives

lithium ion battery additive tris(trimethylsilyl) phosphite

Tris(trimethylsilyl) Phosphite (TMSPI)

Tris(trimethylsilyl) Phosphite is a new electrolyte additive for lithium ion power battery, which can significantly improve the battery's low temperature performance and cycle performance.

CAS Number :
1795-31-9
Appearance :
Colorless to yellowish transparent liquid
Assay :
≥98.0%
Packing :
200kg/drum
Lead time :
15 days
Payment Terms :
T/T in advance
Port of Loading :
Shanghai

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Product Details

Tris(trimethylsilyl)phosphite（TMSPI）

Synonyms：Phosphorous acid tris(trimethylsilyl)ester

CAS No.：1795-31-9

EINECS No.：N/A

Molecular Formula：C₉H₂₇O₃PSi₃

Molecular Weight：298.54

Structural Formula：

battery additive tris(trimethylsilyl) phosphite

Standard：

Items	Specifications
Appearance	Colorless to yellowish transparent liquid
Purity（GP）	≥98.0%

Characteristics：It is a colorless transparent liquid. Melting point: 3℃ ~ 7℃, Boiling point: 78℃-81℃, Density(25℃): 0.893g/cm3, Refractive index (25℃): 1.409, Flash point: 96.6℃.

Uses：Tris(trimethylsilyl) Phosphite is a new lithium ion power battery electrolyte additive, which can significantly improve the low temperature performance and normal temperature cycle performance of the battery. It also can enhance the battery's high temperature performance.

Storage：It shold be stored in a cool, ventilated and dry place. Avoid direct sunlight. The recommended storage temperature is below 25℃; Shelf life is 6 months.

Packing：15kg or 200kg stainless steel drums with quick joints and filled with nitrogen, or 5kg stainless steel bottle with vacuumed aluminum foil bag.

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