Vijaychem Industries

ISO 9001:2008 Certified Company

Zinc Sulphate - Heptahydrate :
Physical & Chemical Properties

APPEARANCE
State Divided Solid Molecular Weight 179.44
  Melting Range (ºC)   100 (.7H20)   Viscosity   Not Applicable
  Boiling Range (ºC)   >500 decomposes   Solubility in water (g/L)   Miscible
  Flash Point (ºC)   Not Applicable   pH (1% solution)   4.0-5.2 (5%).
  Decomposition Temp (ºC)   >500   pH (as supplied)   Not Applicable
  Autoignition Temp (ºC)   Not Applicable   Vapour Pressure (kPa)   Negligible
  Upper Explosive Limit %   Not Applicable   Specific Gravity (water=1)   3.35
  Lower Explosive Limit %   Not Applicable   Relative Vapour Density (air=1)   Not Applicable
  Volatile Component (%vol)   Negligible   Evaporation Rate   Not Applicable