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Potassium chloroplatinate

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Potassium chloroplatinate Basic information

Product Name:
Potassium chloroplatinate
Synonyms:
  • dipotassium,(oc-6-11)-platinate(2-hexachloro-
  • dipotassiumhexachloroplatinate
  • dipotassiumplatinumhexachloride
  • hexachloro-,dipotassium,(OC-6-11)-Platinate(2-)
  • hexachloro-platinate(2-dipotassium
  • Platinate(2-),hexachloro-,dipotassium
  • platinicpotassiumchloride
  • potassiumplatinum(iv)hexachloride
CAS:
16921-30-5
MF:
ClKPt
MW:
269.63
EINECS:
240-979-3
Product Categories:
  • Materials Science
  • Metal and Ceramic Science
  • Inorganics
  • halometallate salt
  • Potassium Salts
  • Salts
  • chemical reaction,pharm,electronic,materials
Mol File:
16921-30-5.mol
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Potassium chloroplatinate Chemical Properties

Melting point:
250 °C (dec.)(lit.)
Density 
3.499
refractive index 
^=1.825
storage temp. 
Inert atmosphere,Room Temperature
solubility 
50g/l
form 
Powder/Solid
Specific Gravity
3.5
color 
Yellow-Orange
Water Solubility 
50 g/L (95 ºC)
Sensitive 
Hygroscopic
Merck 
14,7636
Solubility Product Constant (Ksp)
pKsp: 5.13
Exposure limits
ACGIH: TWA 0.002 mg/m3
NIOSH: IDLH 4 mg/m3; TWA 0.002 mg/m3
Stability:
Stable. Incompatible with acids, interhalogen compounds, strong oxidizing agents.
CAS DataBase Reference
16921-30-5(CAS DataBase Reference)
EPA Substance Registry System
Platinate(2-), hexachloro-, dipotassium, (OC-6-11)- (16921-30-5)
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Safety Information

Hazard Codes 
T
Risk Statements 
25-41-42/43
Safety Statements 
22-26-36/37/39-45
RIDADR 
UN 3290 6.1/PG 2
WGK Germany 
1
RTECS 
TP1650000
TSCA 
Yes
HS Code 
2843 90 90
HazardClass 
6.1
Toxicity
LD50 orally in Rabbit: 195 mg/kg

MSDS

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Potassium chloroplatinate Usage And Synthesis

Chemical Properties

orange to yellow crystalline powder

Chemical Properties

Potassium chloroplatinate, K2 PtCl6, yellow solid, insoluble, formed by reaction of soluble potassium salt solution and chloroplatinic acid.

Uses

Used in the quantitative determination of potassium.

Uses

Potassium chloroplatinate is a red colored crystal that is soluble in water but less soluble in alcohol. Potassium chloroplatinate is produced by a complicated treatment of the reducing of platinum chloride with sulfurous gas and adding potassium chloride. It was used primarily in the platinum printing process, but also for toning silver prints.

Uses

In photography.

General Description

Potassium hexachloroplatinate (K2PtCl6) is a source material for the preparation of platinum based compounds. It can be used in the preparation of platinum colloids by its reduction in an aqueous solution.

Hazard

Toxic by ingestion and inhalation.

Safety Profile

Mutation data reported. Human systemic effects by intradermal route: dermatitis. When heated to decomposition it emits toxic fumes of K2O and Cl-. Used as a catalyst for carbonylation of alkynes. See also PLATINUM COMPOUNDS.

Purification Methods

It crystallises from water (20mL/g) between 100o and 0o. Its solubility in H2O is 0.7% at 0o, 1.12% at 20o, 2.16% at 50o and 5.13% at 100o. [Grube in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II p 1571 1965.]

Potassium chloroplatinate Preparation Products And Raw materials

Preparation Products

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