Electrolyte additives

lithium ion battery additive vinyl sulfate

Ethylene sulfate (DTD)

Vinyl sulfate is mainly used as an electrolyte additive for lithium-ion batteries, which can effectively improve battery cycle times and charge-discharge performance, as well as increase the initial discharge capacity of batteries.

CAS Number :
1072-53-3
Appearance :
White crystals or crystalline powder
Assay :
≥99.95%
Packing :
5kg/bottle
Lead time :
15 days
Payment Terms :
T/T in advance
Port of Loading :
Shanghai

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Product Details

Ethylene Sulfate（DTD）

Synonyms：1,3,2-Dioxathiolane 2,2-dioxide; 1,2-Ethylene sulfate

CAS No.：1072-53-3

EINECS No.：600-809-4

Molecular Formula：C₂H₄O₄S

Molecular Weight：124.1158

Structure Formula：

car battery additive 1,3,2-Dioxathiolane 2,2-dioxide

Standard：

Items	Specifications
Appearance	White crystals or crystalline powder
Color（APHA）	≤50
Purity（GC）	≥99.95%
Water（Karl-Fischer）	≤200ppm
Acidity（as HF）	≤250ppm

Properties：It is a white crystal or crystalline powder, with light-brown or brown color if impure. It is easily hydrolyzed in humid air and has strong acidity. It is unstable to heat. Density: 1.604 g/cm3, Melting point: 95.0~97.0℃, Boiling point: 231℃.

Uses：Ethylene sulfate is a film forming additive for lithium ion battery. It can inhibit the decline of the battery‘s initial capacity, increase the initial discharge capacity, reduce the expansion of the battery after storing at high temperature, improve the battery charge and discharge performance and cycle times.

Storage：It should be kept in a closed container and stored in a cool, ventilated and dry place. Keep away from heat and fire sources and avoid direct light.

The recommended storage temperature ranges from 2°C to 8°C. Shelf life is 3 about months.

Packing：This product is packed in a high-density polyethylene bottle, plus vacuum aluminum foil bag, net weight of each bottle is 5kg.

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