The specific descriptions of the product are as follows: (1)Product: sodium hydrosulfide flake (2) CAS NO.: 16721-80-5 (3) Molecular Formula: NaHS (4) Molecular Weight: 56.06 (5) Purity: 70%min Na2S: 3%max Fe: 0.003%max (6) Uses: Mainly used for making ammonium sulfide, dyeing, tanning, molting, mill running, chemical industries etc. (7) Package: Packed in 25kg plastic woven bag (8) Minimum Order: 1*20í»FCL (9) Delivery Time: Within 15 days (10) Payment: T/T & L/C at sight (11) Country of Origin: China