Melting point :622 °C
Density :2.52 g/cm3 (20℃)
bulk density :1000kg/m3
vapor pressure :<0.1 hPa (20 °C)
refractive index :1.658
storage temp. :Storage temperature: no restrictions.
solubility :H₂O: may be clear to slightly hazy
form :Powder/Solid
color :White
PH :9.0-10.0 (25℃, 1% in H2O)
Odor :Odorless
PH Range :9.5 - 10.3 at 1 g/l at 20 °C
Water Solubility :20 g/100 mL (20 ºC)
Sensitive :Hygroscopic
Merck :14,8697
Stability :Stable. Incompatible with strong oxidizing agents, strong acids. Hygroscopic.
Cosmetics Ingredients Functions :CHELATING
BUFFERING InChI :1S/5Na.H5O10P3/c;;;;;1-11(2,3)9-13(7,8)10-12(4,5)6/h;;;;;(H,7,8)(H2,1,2,3)(H2,4,5,6)/q5*+1;/p-5
InChIKey :HWGNBUXHKFFFIH-UHFFFAOYSA-I
SMILES :[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O
LogP :-4.691 (est)
CAS DataBase Reference :7758-29-4(CAS DataBase Reference)
EPA Substance Registry System :Sodium tripolyphosphate (7758-29-4)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312 H313 May be harmful in contact with skin Acute toxicity,dermal Category 5 P312 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.