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16921-30-5

Name Potassium chloroplatinate
CAS 16921-30-5
EINECS(EC#) 240-979-3
Molecular Formula ClKPt
MDL Number MFCD00011389
Molecular Weight 269.63
MOL File 16921-30-5.mol
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Chemical Properties

Appearance orange to yellow crystalline powder
Melting point  250 °C (dec.)(lit.)
density  3.499
vapor pressure  0Pa at 20℃
refractive index  ^=1.825
storage temp.  Inert atmosphere,Room Temperature
solubility  50g/l
form  Powder/Solid
color  Yellow-Orange
Specific Gravity 3.5
Stability: Stable. Incompatible with acids, interhalogen compounds, strong oxidizing agents.
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
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.
CAS DataBase Reference 16921-30-5(CAS DataBase Reference)
EPA Substance Registry System 16921-30-5(EPA Substance)
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Safety Data

Hazard Codes  T
Risk Statements 
R25:Toxic if swallowed.
R41:Risk of serious damage to eyes.
R42/43:May cause sensitization by inhalation and skin contact .
Safety Statements 
S22:Do not breathe dust .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 3290 6.1/PG 2
WGK Germany  1
RTECS  TP1650000
TSCA  Yes
HazardClass  6.1
HS Code  28439000
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.
Toxicity
LD50 orally in Rabbit: 195 mg/kg

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