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MilliporeSigma

72061

Sigma-Aldrich

Sodium triphosphate pentabasic

purum p.a., ≥98.0% (T)

Synonym(s):

Pentasodium tripolyphosphate, Sodium tripolyphosphate pentabasic

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100 G
$84.00
500 G
$352.00

About This Item

Linear Formula:
Na5P3O10
CAS Number:
Molecular Weight:
367.86
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21
Assay:
≥98.0% (T)
Form:
powder
Solubility:
water: soluble 148 g/L at 20 °C

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$84.00


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grade

purum p.a.

assay

≥98.0% (T)

form

powder

concentration

57-59% (calc. based on P2O5)

pH

9.0-10.0 (25 °C, 1% in H2O)

solubility

water: soluble 148 g/L at 20 °C

anion traces

chloride (Cl-): ≤1000 mg/kg
sulfate (SO42-): ≤500 mg/kg

cation traces

Ca: ≤200 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES string

[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

InChI key

HWGNBUXHKFFFIH-UHFFFAOYSA-I

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1 of 4

This Item
716427166371501
form

powder

form

powder

form

crystalline

form

powder

assay

≥98.0% (T)

assay

≥98.0% (T)

assay

98.5-102.5%

assay

≥99.0% (T)

solubility

water: soluble 148 g/L at 20 °C

solubility

water: soluble 50 mg/mL at 25 °C

solubility

water: ~35.8 g/L at 20 °C

solubility

H2O: 0.1 M at 20 °C, clear, colorless

Quality Level

200

Quality Level

300

Quality Level

200

Quality Level

200

grade

purum p.a.

grade

purum p.a.

grade

-

grade

-

cation traces

Ca: ≤200 mg/kg, Co: ≤50 mg/kg, Fe: ≤50 mg/kg, Pb: ≤50 mg/kg, Cd: ≤50 mg/kg, Ni: ≤50 mg/kg, Cu: ≤50 mg/kg, Zn: ≤50 mg/kg

cation traces

Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤200 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg

cation traces

-

cation traces

Al: ≤5 mg/kg, As: ≤0.2 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤10 mg/kg, K: ≤300 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

Application

for the determination of BSB acc. to DIN 38409-H 51

Other Notes

Straight chain phosphates

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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