Corrosion inhibitor - Dispersant - Scale and corrosion inhibitor

Sodium Salt of 2-Mercaptobenzothiazole (MBT•Na)

CAS No.  2492-26-4

Molecular formula: C7H4NNaS2       Molecular Weight: 189.22

Molecular Structure:



AppearancePale yellow transparent liquid
Active content(wt), %50.0min
Density (20℃), g/cm31.20 min
pH (1% solution)9.0-11.5


MBT•Na can be used as the copper corrosion inhibitor in circulating cool water system. The mechanism is due to the chemical absorption of MBT•Na on copper surface, or chelation reaction between them. The dosage of 4mg/L is preferred. This product can also be used as plasticizer and photometer for acid copper plating.

Package and Storage:

200L plastic drum,IBC(1000L),customers’ requirement. Storage for six months in shady room and dry place.

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