A colorlesscrystallineparticles
orinclined squarewhite powdercrystal.The relative density of
2.*5.An alkaline inorganic
salt.Soluble in
water,insoluble inethanol,ethyl
ether.In the airwithanhydrous sodium carbonatestable.Long-term exposure
toair and easy toabsorb carbon dioxide
from the air,gradually turned
intosodium sesquicarbonate(Na2CO3· NaHCO3 ·
2H2O).Lose water
heated to about
**0℃,into
anhydrous sodium carbonate.
