Methylene methanedisulfonate CAS No.:99591-74-9

Product name:Methylene methanedisulfonate (Cheeradd MMDS)

CAS No.:99591-74-9
Density(25℃):1.851 g/cm3
Melting Point: 624℃
Flash Point: 331℃


Quality specification:



Assay (GC, %)


Moisture (Karl-Fischer) (ppm)


Acid (HF) (ppm)



Application :
It is mainly used as electrolyte additive for power lithium-ion battery. Suitable for power batteries, especially power batteries with lithium manganate as the cathode material


Handling :
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 sack.
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.