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Sodium trimetaphosphate

Catalog Number
ACM7785844
CAS Number
7785-84-4
Product Name
Sodium trimetaphosphate
Structure
Category
Electrolytes
Synonyms
3,5,2,4,6-Trioxatriphosphorinane,2,4,6-trihydroxy-trisodiumsalt
Description
DryPowder; Liquid; OtherSolid
IUPAC Name
Trisodium;2,4,6-trioxido-1,3,5,2λ5,4λ5,6λ5-trioxatriphosphinane 2,4,6-trioxide
Molecular Weight
305.89
Molecular Formula
Na3O9P3
Canonical SMILES
[O-]P1(=O)OP(=O)(OP(=O)(O1)[O-])[O-].[Na+].[Na+].[Na+]
InChI
InChI=1S/3Na.H3O9P3/c;1-10(2)7-11(3,4)9-12(5,6)8-10/h;(H,1,2)(H,3,4)(H,5,6)/q3*+1;/p-3
InChI Key
UGTZMIPZNRIWHX-UHFFFAOYSA-K
Melting Point
53 °C
Purity
99%+
Density
2.54 g/cm³
Solubility
Soluble in water, insoluble in alcohol
Appearance
White powder
Storage
Inert atmosphere,Room Temperature
Assay
0.98
Complexity
224
Covalently-Bonded Unit Count
4
EC Number
232-088-3
Exact Mass
305.84482541
Formal Charge
0
Heavy Atom Count
15
MeSH Entry Terms
calcium trimetaphosphate;magnesium trimetaphosphate;sodium trimetaphosphate;trimetaphosphoric acid;trimetaphosphoric acid, 99Tc-labeled cpd;trimetaphosphoric acid, calcium (2:3) salt, hexahydrate;trimetaphosphoric acid, magnesium (2:3) salt;trimetaphosphoric acid, magnesium (2:3) salt, dodecahydrate;trimetaphosphoric acid, ruthenium (+3) salt;trimetaphosphoric acid, tripotassium salt;trimetaphosphoric acid, trisodium salt
Monoisotopic Mass
305.84482541
Odor
Odorless
Other Experimental
COLORLESS; INDEX OF REFRACTION: 1.433, 1.442, 1.446 /HEXAHYDRATE/;Loses water on storage at 20 °C, becomes definitely anhydrous at 100 °C. /Hexahydrate/;Efflorescent, triclinic-rhombohedral prisms. Melting point 53 °C. Specific gravity 1.786. One gram dissolves in 4.5 ml water. Insol in alc. /Hexahydrate/
Packaging
1 kg
Rotatable Bond Count
0
Stability
LOSES WATER ON STORAGE @ 20 °C /HEXAHYDRATE/
Storage Conditions
Keep in a cool, dry location in a closed container.
Topological Polar Surface Area
148 Ų
UNII
3IH6169RL0
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