Sodium tripolyphosphate Basic information
Product Name: Sodium tripolyphosphate
Synonyms: SODIUM TRIPOLYPHOSPHATE;STPP FG Granular 20G;Food Grade Sodium Tripolyphosphate;armofos;empiphosstp-d;freez-gardfp19;natriumtripolyphosphat;poly
CAS: 7758-29-4
MF: Na5O10P3
MW: 367.86
EINECS: 231-838-7
Product Categories: metal phosphate compound;INORGANIC & ORGANIC CHEMICALS;FOOD ADDITIVES;Food and Feed Additive;Inorganic Chemicals;Water Ttreatment Chemicals;Inorganics;7758-29-4
Mol File: 7758-29-4.mol
Sodium tripolyphosphate Chemical Properties
Melting point 622 °C
bulk density 1000kg/m3
density 2.52 g/cm3 (20℃)
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
Odor Odorless
PH 9.0-10.0 (25℃, 1% in H2O)
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. Incompati…