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Merck

1.05110

Potassium hexahydroxoantimonate(V)

cryst. for analysis EMSURE®

Synonym(s):

Potassium hexahydroxoantimonate(V), Potassium antimonate

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About This Item

Linear Formula:
K[Sb(OH)6]
CAS Number:
Molecular Weight:
262.90
UNSPSC Code:
12352302
EC Index Number:
235-387-7
NACRES:
NA.21
MDL number:
Assay:
≥99.0% (calculated on calcined substance, iodometric)
Form:
solid
Solubility:
20 g/L
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Quality Level

product line

EMSURE®

assay

≥99.0% (calculated on calcined substance, iodometric)

form

solid

pH

7.5-9.0 (20 °C, 20 g/L in H2O)

solubility

20 g/L

bulk density

1200 kg/m3

cation traces

Na: ≤0.2%, excess alkali: ≤0.1% (as KOH)

storage temp.

2-30°C

SMILES string

[Sb+3].[K+].[O-H].[O-H].[O-H].[O-H].[O-H].[O-H]

InChI

1S/K.6H2O.Sb/h;6*1H2;/q+1;;;;;;;+3/p-6

InChI key

IDVSLFDKDQVCAP-UHFFFAOYSA-H

Analysis Note

Identity: passes test
Assay (iodometric, calculated on calcined substance): ≥ 99.0 %
Free alkali (as KOH): ≤ 0.1 %
Na (Sodium): ≤ 0.2 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany


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Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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