specification

(1).appearance: pale yellow sheeted powder
(2).content: ≥ 99.0%
(3).moisture: ≤ 0.20%
(4).melting point: ≥107.3
(5).benzene insolubilize: ≤0.05%
(6).fe: ≤0.0005%
(7).cl: ≤0.0010%
(8).s: ≤0.0010%