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Appearance Flaky crystal Assay(by GC) 99%min 5-Br(by GC) 0.2% max

Appearance White to off-white crystal Assay 99%min

Appearance Light yellow crystalline powder Assay,HPLC 99%min Melting point 127℃min

Appearance Colorless, transparent liquid Assay 99.5%min piperazine 0.1% max Water 0.5% max

Appearance White crystalline powder Assay(as C4H7Cl3O.1/2H2O) 98.5%min Melting point 76-78℃ Residue on ignition(as sulfate) 0.1% max Chloride 0.005% max Solution in ethanol Pass Acidity Pass

Appearance White to light yellow crystal or liquid Assay 99%min Melting point 34-36℃

Appearance White to off-white crystals Assay 99%min Free amine 0.4% max Water 0.4% max Ash 0.2% max

Appearance White or colorless crystal Assay 98%min PH(10% Aq.sol) 2.0-6.0 Solution 10% in water Clear and transparent

Appearance White or light yellow crystalline powder Assay 99.5%min Melting point 72-74℃ Residue on ignition 0.05% max Chloride 0.002% max Sulphate 0.02% max