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Sodium Salt of 1,2,3-Benzotriazole (BTA.Na)

CAS No. 15217-42-2 EINECS No. 239-269-6
Molecular Formula C6H4N3Na Molecular Weight 141.11
Structural Formula

BTA.Na Structural Formula

Product Features

BTA.Na do belong to the most effective corrosion inhibitors for copper alloys. BTA.Na can be used together with many scale inhibitors and fungi disinfectants in circulating cool water system, and it has good corrosion inhibition effect in circulating cool water system. The dosage of 2-4mg/l is preferred. BTA.Na can also be used as anti-discolor agent, coating additive and luboil additive.

Technical Specification

Parameter Standard
Appearance Pale yellow to yellow transparent liquid
Solid content (wt), % 50.0 min
Density (20℃), g/cm3 1.20 min
PH (1% water solution) 11.0-12.0

Applications & Usage

BTA.Na is mainly used as antirust and corrosion inhibitor for metals (such as silver, copper, zinc, lead, nickel, etc..). BTA.Na also can be used with algaecide and has a very good corrosion inhibition effect on close circulating cooling water system.Dosage 2-4mg/l is preferred. BTA.Na can also be used as anti-discolor agent, coating additive, antifreeze additive and luboil additive.

Package & Storage

25L Drum 200L Drum 1000L IBC ISO Tank
Storage for 12 months in shady room and dry place.

Hazard & Safety Precaution

Hazard Information Safety Precaution

Corrosive, Class 8, UN 3267

Once contacted with eye and skin, flush with plenty of clean water.

Alternative Name / Synonyms

  1. BTA.NA;BTAS
  2. Sodium 1,2,3-Benzotriazole;
  3. Sodium 1H-benzotriazolide;
  4. Sodium 1H-1,2,3-benzotriazol-1-ide;