Basic Info:

CAS No: 75-75-2
Formula: CH4O3S
EINECS: 200-898-6
Stock Availability In stock
Brand Name Look chemical
Origin China

Product Introduction:

Methanesulfonic acid is a caustic chemical, or MSA for short. Generally colorless or slightly brown oily liquid, solid at low temperature. The molecular formula is CH4O3S, the structural formula is CH3SO3H, and the molecular weight is 96.11. It is soluble in water, alcohol and ether, insoluble in alkane, benzene, toluene, etc. It does not decompose in boiling water and hot lye, and has a strong corrosive effect on metal iron, copper and lead.

Methanesulfonic acid has a strong stimulating effect on skin and mucous membranes, but it is less toxic than methanesulfonic acid. Its products have broad application prospects in the field of electroplating and have been proven to be good substitutes for fluoroboric acid or phenolsulfonic acid.

Methanesulfonic acid is an environmentally friendly and new type of tin plating system, which has the advantages of strong acidity, small molecular weight, low corrosiveness, high catalytic activity and low toxicity. As an electrolyte for electrochemical processes, it is superior to fluoroboric acid and fluorosilicic acid in terms of function and environmental protection, and is a good substitute for fluoroboric acid and fluorosilicic acid.

The earliest research on the use of methanesulfonic acid in electroplating was in 1940, but it was not until the early 1980s that developed countries developed organic sulfonate systems to replace fluoroborate electroplating SnPb alloy baths, mainly alkyl sulfonates. A new process for electroplating SnPb alloys.

In recent years, the methanesulfonic acid electroplating system has attracted more and more attention, and the application of the methanesulfonate plating solution has been increasing, and it is gradually replacing the fluoroboric acid system with high toxicity and complicated wastewater treatment. At present, methanesulfonic acid has been applied to tin and tin-lead alloy electroplating, and gradually developed into copper-lead-tin alloy coating, immersion tin coating, silver plating and other fields.

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