Sodium Lauryl Sulfate USP/NF (Needle) WC Code: 19-031-2 Sales Specification Appearance: Needle-Like or Light Yellow Solid Active %: 95.0 ± 2.0 pH, 1% Active Matter: 8.0 -10.5 Sodium Sulfate, %: 3.0 Max Petroleum Ether Soluble Matter %: 2.0 Max Moisture %: 4.0 Max Meet the requirements of USP/ N.F. Grade Packing 55.12 LB bag; 20 bags per pallet