Home > Pallav Chemicals > Inorganic Phosphates > Sodium Tripolyphosphate Anhydrous Extrapure

Sodium Tripolyphosphate Anhydrous Extrapure
STPP

Product Code.
02535
Grade
Extrapure
Purity
CAS No.
7758-29-4
Molecular Formula
Na5O10P3
Molecular Weight
367.86
H.S.Code
2835.31000
Shelf Life
60 Months

Physical Properties

Physical state at 20 °C
Solid
Colour
White powder
Odour
Odorless
pH value
9.5 - 10.3 at 1 g/l at 20 °C
Melting point/ Freezing point [°C]
622 °C
Density [g/cm3]
> 1.5
Solubility in water [% weight]
145 g/l (20°C)

Packaging

Specification

Appearance
White powder
Total P2O5 w/w
Min 56%
Tripoly w/w
Min 90%
pH (1% solution in water)
9 - 10

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338