Description

a. Soda Ash light Purity: *9.2%min Sodium chloride: 0.7%max Fe: 0.*4%max SO4: 0.*3%max Water Insolubles: 0.*4%max Packing: *0kg/bag or **0kg/bag b. Soda Ash Dense Purity: *9.2%min Sodium chloride:0.7%max Fe: 0.*4%max SO4: 0.*3%max Water Insolubles:0.*4%max Packing:*0kg/bag or ***0kg/bag Engliah Name: Sodium carbonate CAPS Number:*******8 Formula:Na2CO3 Physical Characteristic: The technical grade (about *9% pure) is known as soda ash. Odorless, hygroscopic powder; alkaline taste; d 2.*3. mp **1°but begins to lose CO2 even at **0° On exposure to air it will gradually absorb one mol water-about *5%. Sol in glycerol; in 3.5 parts water at room temp, 2.2 parts water at *5° Insol in alcohol. Dec by acids with effervescence. Combines with water with evolution of heat. Its aq soln is strongly alkaline. pH *1.6. Keep well closed. LD*0 (*0 day) i.p. in mice: **6.6 mg/kg (Norde). TSCA Registered:Y Safety Phrase(s):S:****6 Hazard Notes:Irritant; hygroscopic. RTECS:VZ******0 Beilstein:******6 EINECS:********8 Risk Phrase(s):R:*6 Merck:*2, ***9 Melting point:**1°C Usage: In manuf of Na salts, glass, soap; for washing wool; textiles, etc.; in bleaching linen, cotton; general cleanser; in water-softening; in photography; as reagent in analytical chemistry. Pharmaceutic aid (alkalizer).