... needle crystal BTA, columnar BTA, tablet BTA and liquid BTA. 1,2,3 benzotrazole(BTA)Properties:It is solved slightly ... long distance transportation.Specification (for needle crystal, columnar, tablet)Executive standardHG/T3824-2006Appearancewhite needle crystalPurity %99.0minColor %40maxMoisture ... sticky liquidPurity(trinitrosodium) %30minPH (1%aqueous solution)7-9Density1.30±0.15 1,2,3 benzotriazole