Sodium thiocyanate Sodium thiocyanate cas no :540-72-7 molecular formula : nascn molecular weight : 81.07 Index best quality first quality regular grade Nascn min %(dry base) 99.0 98.0 97.0 Clarity test pass pass pass Insoluble substance in water max % 0.02 0.05 0.05 Chlorid(cl-) % max 0.02 0.08 0.10 Sulfate(so42-) % max 0.05 0.08 0.10 Heavy metal(pb) % max 0.002 0.005 0.005 Fe % max 0.0003 0.005 0.005 Sodium formate % max 0 0 0 Water % max 1.8 2.0 2.0 Alias:sodium rhodanide, sodium sulfocyanate, sodium rhodanate, sodium isocyanate, thiocyanic acid, sodium salt Molecular formula: nascn Molecular weight: 81.07 Properties: nascn, a white rhombic system crystal, is soluble in water, ethanol, acetone; relative density is 1.735. Melts at approx.287f¦. Decomposes on heating and under influence of light producing toxic fumes of sulfur oxides, nitrogen oxides and cyanides. Reacts violently with acids, strong bases and strong oxidants. Packing: 25 kgs net in pp bag with inner of polyethylene bag. Storage: keep in tightly closed bags.Store in cool, dry, ventilated area to prevent it from being deliquescent. Separated from acides, bases and oxidants. Packing: 25kg woven bags
Ammonium thiocyanate Ammonium thiocyanate cas :1762-95-4 molecular formula : nh4scn molecular weight : 76.12 Index(quality criterion:hg/t2154/91) premium grade 1st grade regular grade Nh4scn min% (dry base) 99.0 98.0 97.0 Clarity test pass pass pass Ph value 4.5-6.0 4.5-6.0 4.5-6.0 Chloride(cl-) % max 0.06 0.10 0.10 Sulfate(so42-) % max 0.05 0.06 0.10 Residue on ignition, % max 0.08 0.10 0.10 Heavy metal (pb), % max 0.002 0.002 0.01 Fe % max 0.0001 0.001 0.005 Sulfide(s2-) % max 0.005 0.005 0.01 Water % max 1.8 2 2 Alias:ammonium rhodanide, ammonium sulfocyanate, ammonium sulfocyanite, ammonium rhodanate, thiocyanic acid, ammonium salt Molecular formula: nh4scn Molecular weight: 76.12 Properties: nh4scn, a colorless crystalline solid that is soluble in water, methanol, ethanol, pyridine, acetone & ammonia and insoluble in ethyl acetate, methyl chloride and chloroform; melts at 149.6f¦; thermal decompositionat 170f¦ may produce highly toxic fumes of hydrogen cyanide, hydrogen sulfide and toxic oxides of nitrogen, sulfur, and carbon. Packing: 25kg each net, kraft-plastic laminated bag with pe liner. Storage: store away from incompatible substances. Keep in a tightly closed bags. Store in a cool, dry, ventilated area to prevent it from being deliquescent. Separated from acids, bases and oxidants. Packing: 25kg woven bags
Potassium thiocyanate 25kg bag
Potassium thiocyanate 25kg bag
Sodium sulfhydrate Specification of sodium hydrosulfide(nahs)min 70% flake: Item Content Nahs%min 72 Na2s% max 2.5 Na2so3% max 1.5 Fe max ppm 20 Na2co3% max 1 Insolubles in water% max0.005 25kg bag or 1000kg bag
Sodium hydrosulphide Sodium hydrosulphide75%70% from china 25kg bag or 1000kg bag
Sodium hydrosulfide cas no :16721-80-5 molecular formula : nahs molecular weight : 56.06 Output/mon:5000mt predominance: less impurity and higher content of nahs Item Specification Solid basis Liquid basis Nahs·+% fª 75 70 40 35 Na2s·+% f_ 2 3 1 1.5 Na2so3·+% f_ 1 1.5 - - Fe·+% f_ 0.003 0.003 - - Na2co3·+% f_ 0.6 1 - - Insolubles in water·+% f_ 0.005 0.005 - - Synonyms: sodium hydrogen sulphide, sodium hydrogen sulfide, sodium sulfhydrate, sodium bisulphide. Properties:white needle system crystal, easily being deliquescent, soluble in water and alcohol, water solution with strong alkaline. Reacted with acids and liberates hydrogen sulfide. Industrial grade is generally in solution form with pale yellow color, slight rotten egg smell. Packing: 25kgs net in pp bags with pe liner, or 900kg bag with salver. Storage: keep only in closed, properly labeled containers. Do nor store in zinc, aluminum, or copper containers. Store in cool, dry, ventilated area to prevent it from being deliquescent. Separated from acids, acidic materials, oxidizing agents Packing: net 25kg woven bags
Sodium hydrosulphide75%70% from china 25kg bag or 1000kg bag
Supplier: Ammonium thiocyanate, sodium thiocyanate, potassium thiocyanate, sodium hydrosulfide, barium thloride
Buyer: Sodium sulfite
