Methylene methanedisulfonate（MMDS）

Synonyms：1,5,2,4-Dioxadithiane 2,2,4,4-tetraoxide; MMDS

CAS No.：99591-74-9

EINECS No.：N/A

Molecular Formula：C₂H₄O₆S₂

Molecular Weight：188.18

Structure Formula：

Standard：

Properties：It is a white to off-white crystals or crystalline powder. Melting point: 150.0℃～151.5℃, Density(25℃): 1.851g/cm³.

Uses：Methylene methanedisulfonate is a new type of electrolyte additive for lithium-ion battery. It can form a thick layer of SEI protective film on the electrode surface, which can prevent MN from adsorbing on the surface of the negative electrode, and effectively reduce the decomposition of electrolyte and dissolution of metal ions in the electrolyte. It is especially suitable for power batteries with Lithium Manganate as cathode material, which can significantly improve the thermal stability of cathode material, inhibit the impedance, and effectively improve the cycle performance. In addition, Methylene methanedisulfonate can also be used as a drug preparation for the treatment of leukemia in animals.

Storage：Store in a cool, ventilated and dry place, avoid direct light. The shelf life is 3 months under 20°C.