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Sodium tripolyphosphate
Product Details
Category
Cosmetic Chelating Chemicals
Molecular Formula
Na5P3O10
CAS Number
7758-29-4
Synonyms
Pentasodium tripolyphosphate Anhydrous, STPP, Sodium triphosphate, Sodium triphosphate pentabasic, Sodium tripolyphosphate pentabasic
Purity
0.85
Solubility
H2O: may be clear to slightly hazy
Quality Level
100
Storage
Storage temperature: no restrictions.
Melting Point
622 °C
Density
2.52 g/cm3 (20℃)
EC Number
231-838-7
Molecular Weight (g/mol)
367.86
Vapor Pressure
<0.1 hPa (20 °C)
Physical State
Powder
MDL number
MFCD00003514
NACRES
NA.55
pH
9.0-10.0 (25℃, 1% in H2O)
InChI Key
HWGNBUXHKFFFIH-UHFFFAOYSA-I
SMILES
[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O
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
Stability
Stable. Incompatible with strong oxidizing agents, strong acids. Hygroscopic.
Hazard Codes
Xi
Safety Statements
26-36-24/25
WGK Germany
1
RTECS
YK4570000
HS Code
28353110
Water Solubility
20 g/100 mL (20 ºC)
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