1.05110

Potassium hexahydroxoantimonate(V)

cryst. for analysis EMSURE^®

• Synonym(s): Potassium hexahydroxoantimonate(V), Potassium antimonate
• Linear Formula: K[Sb(OH)₆]
• CAS Number: 12208-13-8
• Molecular Weight: 262.90
• MDL number: MFCD00011415
• UNSPSC Code: 12352302
• EC Index Number: 235-387-7
• NACRES: NA.21

Properties

• Quality Level: 300
• 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
• InChI: 1S/K.6H2O.Sb/h;6*1H2;/q+1;;;;;;;+3/p-6
• InChI key: IDVSLFDKDQVCAP-UHFFFAOYSA-H

Description

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

Safety Information

• pictograms: GHS07,GHS09
• signalword: Warning
• hcodes: H302 + H332 - H411
• pcodes: P261 - P264 - P271 - P273 - P301 + P312 - P304 + P340 + P312
• Hazard Classifications: Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable