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Trisodium phosphate Structure

Trisodium phosphate

Chemical Properties

Melting point 1340°C
Density  2.536 g/cm3(Temp: 17.5 °C)
vapor pressure  0Pa at 20℃
storage temp.  Inert atmosphere,Room Temperature
solubility  H2O: slightly soluble(lit.)
form  Powder
color  White
PH 10.95(1 mM solution);11.71(10 mM solution);12.12(100 mM solution)
Odor at 100.00?%. odorless
Water Solubility  Soluble in water. Insoluble in ethanol and carbon disulfide.
Sensitive  Hygroscopic
Merck  14,8662
Dielectric constant 1.6(Ambient)
InChI InChI=1S/3Na.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3
InChIKey RYFMWSXOAZQYPI-UHFFFAOYSA-K
SMILES [Na+].[Na+].[Na+].P([O-])([O-])([O-])=O
CAS DataBase Reference 7601-54-9(CAS DataBase Reference)
FDA 21 CFR 182.1778; 182.6778; 182.8778; 582.1778; 582.5778; 582.6778; 310.545
Substances Added to Food (formerly EAFUS) SODIUM PHOSPHATE, TRIBASIC
EWG's Food Scores 1
FDA UNII SX01TZO3QZ
NCI Drug Dictionary sodium phosphate
ATC code A06AD17,A06AG01,B05XA09
Pesticides Freedom of Information Act (FOIA) Trisodium phosphate
EPA Substance Registry System Trisodium phosphate (7601-54-9)
Cosmetics Info Sodium Phosphate

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  C,Xi
Risk Statements  34-36/37/38
Safety Statements  26-36/37/39-45-24/25
RIDADR  UN 3262 8/PG 3
WGK Germany  1
RTECS  TC9490000
34
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  28352910
Hazardous Substances Data 7601-54-9(Hazardous Substances Data)
Toxicity LD50 skin in rabbit: > 300mg/kg
NFPA 704:
0
2 1

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