Basic information Safety Supplier Related

POTASSIUM HEXAHYDROXOANTIMONATE(V)

Basic information Safety Supplier Related

POTASSIUM HEXAHYDROXOANTIMONATE(V) Basic information

Product Name:
POTASSIUM HEXAHYDROXOANTIMONATE(V)
Synonyms:
  • potassiumhexahydroxyantimonate
  • Potassium hexahydroxyantimonate(Ⅴ)
  • POTASSIUM HEXAHYDROXYANTIMONATE(V), HYDRATED
  • POTASSIUM HEXAHYDROXO ANTIMONATE
  • POTASSIUM HEXAHYDROXOANTIMONATE(V)
  • POTASSIUM ANTIMONATE TRIHYDRATE
  • POTASSIUM ANTIMONATE, HYDRATED
  • POTASSIUM ANTIMONATE
CAS:
12208-13-8
MF:
KO6Sb
MW:
256.85
EINECS:
235-387-7
Product Categories:
  • Materials Science
  • Metal and Ceramic Science
  • Potassium Salts
  • Salts
Mol File:
12208-13-8.mol
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POTASSIUM HEXAHYDROXOANTIMONATE(V) Chemical Properties

Melting point:
240 °C (dec.)(lit.)
Density 
3.27[at 20℃]
storage temp. 
Store at +5°C to +30°C.
solubility 
20g/l
form 
Powder
color 
White
PH
7.5-9.0 (20g/l, H2O, 20℃)
Water Solubility 
Soluble in water and glycerine. Insoluble in ethanol.
Exposure limits
ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
CAS DataBase Reference
12208-13-8(CAS DataBase Reference)
EPA Substance Registry System
Antimonate (Sb(OH)61-), potassium, (OC-6-11)- (12208-13-8)
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Safety Information

Hazard Codes 
Xn,N
Risk Statements 
20/22-51/53
Safety Statements 
61
RIDADR 
UN 1549 6.1/PG 3
WGK Germany 
2
HazardClass 
6.1
PackingGroup 
III
HS Code 
28419000

MSDS

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POTASSIUM HEXAHYDROXOANTIMONATE(V) Usage And Synthesis

Uses

Potassium antimonyl trihydrate is used as a detecting agent for sodium. It is used as a mordant/ fixing agent in leather and textile dying industries. It is also used as a analytical reagent and flux additive for electroplating.

Preparation

Heating antimony pentoxide with excess potassium hydroxide produces rubbery, granular, or crystalline products. If the substance is recrystallized from a little water, deliquescent mammilated crystals form. Treated with copious cold water or boiled together with a small quantity of water, they are converted into potassium hexahydroxyantimonate, K[Sb(OH)6], which is sparingly soluble in cold water but somewhat more soluble in warm water. Solutions precipitate sodium as the sparingly soluble sodium hexahydroxyantimonate, Na[Sb(OH)6]. This reaction is used for the detection of sodium.

POTASSIUM HEXAHYDROXOANTIMONATE(V)Supplier

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