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Merck
CN

1.06999

penta-Sodium triphosphate

for BOD determination acc. to DIN 38409-H-51

Synonym(s):

penta-Sodium triphosphate

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About This Item

Empirical Formula (Hill Notation):
Na5O10P3
CAS Number:
Molecular Weight:
367.86
UNSPSC Code:
12352302
EC Index Number:
231-838-7
NACRES:
SE.11
MDL number:
Form:
solid
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vapor pressure

<0.1 hPa ( 20 °C)

Quality Level

form

solid

potency

3120 mg/kg LD50, oral (Rat), >7940 mg/kg LD50, skin (Rabbit)

pH

9.9 (20 °C, 10 g/L in H2O)

mp

622 °C (decomposition)

density

2.52 g/cm3 at 20 °C

bulk density

1000 kg/m3

storage temp.

no temp limit

SMILES string

[Na+].[Na+].[Na+].[Na+].[Na+].[P](=O)([O-])([O-])O[P](=O)([O-])O[P](=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

Analysis Note

Assay (acidimetric, P₂O₅): 57 - 59 %
pH-value (1 %; water): 9 - 10
Fe (Iron): ≤ 0.005 %


Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
106999902504022536978253
106999100004022536086095