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Substance
ID:351494
Structure
Similarity
Functional Group
Text
ID:4452
Potassium iodide
Sigma Aldrich
ID: 60399
Names and Identifiers
IUPAC name
potassium iodide
IUPAC Traditional name
potassium iodide
Synonyms
Potassium iodide
碘化钾
Registration numbers
MDL Number
MFCD00011405
CAS Number
7681-11-0
EC Number
231-659-4
PubChem SID
24881868
Properties
Product Information
Cation Traces
Ni: ≤5 mg/kg
Sr: ≤5 mg/kg
Al: ≤5 mg/kg
Cr: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤300 mg/kg
Bi: ≤5 mg/kg
Mn: ≤5 mg/kg
Pb: ≤5 mg/kg
As: ≤0.1 mg/kg
Mg: ≤5 mg/kg
Cu: ≤5 mg/kg
Ba: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Zn: ≤5 mg/kg
Co: ≤5 mg/kg
Fe: ≤5 mg/kg
Li: ≤5 mg/kg
Impurities
insoluble matter, passes filter test
≤0.001% total nitrogen (N)
Antion Traces
iodate (IO3-): ≤2 mg/kg
phosphate (PO43-): ≤10 mg/kg
bromide, chloride (as Cl-): ≤100 mg/kg
sulfate (SO42-): ≤10 mg/kg
Product Line
BioUltra
Purity
≥99.5% (AT)
Linear Formula
KI
Loss on Drying
≤0.5% loss on drying, 110 °C
abs.
absorption1M/273 nm, H2O cut-off
Safety Information
Risk Statements
22
-
36/38
German water hazard class
1
GHS Signal Word
Warning
GHS Hazard statements
H302
-
H315
-
H319
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Safety Statements
26
European Hazard Symbols
Harmful (Xn)
MSDS Link
Download link
RTECS
TT2975000
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
GHS Precautionary statements
P305+P351+P338
Physical Property
Melting Point
681 °C(lit.)
Vapor Pressure
1 mmHg ( 745 °C)
pH
6.0-9.0 (25 °C, 1 M in H2O)
Solubility
H2O: soluble1 M at 20 °C, clear, colorless
Molecule Details
Other Notes
Chaotropic agent which, in high concentrations can dissolve a gel matrix1; Recovery of DNA from gel slices by gel dissolution2,3
Molecular Spectra
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References
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Properties
Molecule Details
Molecular Spectra
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