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Genium Publishing Corporation Material Safety Data Sheets Collection: <br /> G& 1145 Catalyn Street Sheet No.43 <br /> Schenectady,NY 12303-1836 USA Trisodium Phosphate <br /> P (518)377-8854 <br /> Issued: lin8 Revision: 11/89 <br /> �ftieX' <br /> . . ......... <br /> ....... ... <br /> "dio ....... .... <br /> Trisodium Phosphate Description:Trisodium phosphate crystallizes from water as trisodium phosphate dodecahydrate R 1 Genium <br /> (Na3PO,,-12H.0)and can exist as several hydrate forms,and as anhydrous salt,depending on processing.Prepared by 1 2 <br /> combining proper proportions of phosphoric acid and soda ash to form disodiurn phosphate,then adding caustic soda. S 2 <br /> Used in softening water,tanning leather,manufacturing paper,clarifying sugar;in detergent mixtures,photographic K I <br /> developers,food additives,buffers,emulsifiers,dietary supplements,boiler water compounds,and industrial cleaners. <br /> Other Designations:TSP;trisodiurn orthophosphate;sodium phosphate,tribasic;tertiary sodium phosphate; HMS <br /> trisodium phosphate dodecahydrate(Na3P0,-12Hi0),CAS No.10101-89-0;Na.,PO,;CAS No.7601-54-9. H I <br /> Manufacturer:Contact your supplier or distributor.Consult the latest Chemicalweek Buyers'Guide(Genium ref.73) F 0 <br /> R 2 <br /> PPG* <br /> Sec.8 <br /> .......... <br /> Trisodium phosphate,ca 100% ... <br /> OSHA PEL ACGIH TLV,1989-90 NIOSH REL,1987 Toxicity Datat <br /> 8-hr TWA:5 mg/kg of respirable dust* None established None established Rabbit,intravenous.LDL.: 1580 mg/kg <br /> *Under OSHA inert dust limits,assume that airbome particulates not otherwise controlled am limited to a maximum of 5 mg/kg of respirable dust;however,this <br /> level may be inadequate to prevent irritation with this material. <br /> I See NIOSH,RTECS(TC9490000)for additional data with references to mutagenic effects. <br /> X, <br /> Y.S <br /> Boiling Point: -11 HiO at 212'F(100*C)(decomposes) Water Solubility:('F/'C) (g/100 g) <br /> Melting Point: 163.9 to 170.1 *F(73.3 to 76.7'C) 3210 1-5 <br /> Molecular Weight:163.94 g/mol 59115 283 <br /> Specific Gravity(1130=I at 39'F(4'Q: 1.62 at 68'F(20*C) 158/70 157.0 <br /> Appearance and Odor:White or colorless crystalline solid(also as powder flake,granules);no odor. <br /> ............ .... <br /> X X .......... <br /> ........... <br /> 4�IGiUi1:4 X. <br /> S....... <br /> ........ ....... <br /> Flash Point:Noncombustible Autoignition Temperature:Noncombustible LEL:None reported UEL:None reported <br /> Extinguishing Media:Use what is appropriate to the surrounding fire since this material is noncombustible. <br /> Unusual Fire or Explosion Hazards:In a fire situation at high temperature,phosphates can emit highly toxic phosphorus oxides(PO.)fumes. <br /> Special Fire-righting Procedures:Wear a self-contained breathing apparatus(SC13A)with a full facepicce operated in the pressure-demand or <br /> positive-pressure mode. <br /> :tc. a <br /> . . ........ <br /> Stability/Polymerization:Trisodium phosphate is stable at room temperature in closed containers.Hazardous polymerization cannot occur. ..... <br /> Chemical Incompatibilities:This strong caustic material reacts violently with water and strong acids to generate heat. <br /> Conditions to Avoid:Never he-at to decomposition. <br /> Hazardous Products of Decomposition:Thermal oxidative decomposition of trisodium phosphate can produce highly toxic fumes of phospho- <br /> rus oxides(PO.)and sodium oxide(NaO). <br /> Copyri&01989 Gcni=Publishing Corporation. <br /> Any c W use orreproductianwithout the publisher's P—issim is prahibiucd_ <br />