... heptahydrate 2.10034-99-8 3.competitive price MAGNESIUM SULFATE CAS NO: 10034-99-8 Molecular Formula: MgSO4.7H2O ... liners,25kg, 40kg,50kg per bag Application:Mainly used in fertilizer, tanning, pringting and dyeing, activator, papermaking, plastic, porcelain, pigment matchmaking ... wooden-cotton products. Be used as Epsom salts at medicine. MAGNESIUM SULFATE