Potassium iodide A simple iodide salt utilized as a fluorescence quenching agent

Potassium iodide (CAS 7681-11-0)

Potassium iodide | CAS 7681-11-0 is rated 5.0 out of 5 by 1.
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Synonym: Thyro-Block
Application: A simple iodide salt utilized as a fluorescence quenching agent
CAS Number: 7681-11-0
Purity: ≥99%
Molecular Weight: 166.00
Molecular Formula: KI
* Refer to Certificate of Analysis for lot specific data (including water content).
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Potassium iodide is used in biochemistry, often as a fluorescence quenching agent which acts by collisional quenching of fluorescent substances by the iodide ion. The use of KI in the isolation of single stranded DNA has also been described.


References

1. Rubenstein, J.L., et al. 1990. Nucleic Acids Res. 18: 4833-4842. PMID: 2168539
2. Weljie, A.M., et al. 2000. Protein Eng. 13: 59-66. PMID: 10679531
3. Flowers, S., et al. 2003. Biochemistry. 42: 1910-1921. PMID: 12590577

Appearance :
Crystalline
Physical State :
Solid
Solubility :
Soluble in water (148 g/100g at 25° C), alcohol (45.5 mg/ml), methanol (125 mg/ml), acetone (13.1 mg/ml at 25° C), and ethanol (19.6 mg/ml).
Storage :
Store at room temperature
Melting Point :
681° C (lit.)
Boiling Point :
1330° C
Density :
3.12 g/cm3 at 20° C
Refractive Index :
n20D 1.68
Ki Data :
CA IV: Ki= 80 µM (human); CA I: Ki= 300 µM (human); CA IX: Ki= 7 mM (human); CA V: Ki= 25 mM (human); CA II: Ki= 26 mM (human)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
1
RTECS :
TT2975000
PubChem CID :
4875
Merck Index :
14: 7643
MDL Number :
MFCD00011405
EC Number :
231-659-4
SMILES :
[K+].[I-]

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Potassium iodide  Product Citations

See how others have used Potassium iodide. Click on the entry to view the PubMed entry .

Citations 1 to 2 of 2 total

PMID: # 15591071  Nelson, TJ. et al. 2005. J. Biol. Chem. 280: 7377-7387.

PMID: # 15591071  Nelson, TJ. et al. 2005. J. Biol. Chem. 280: 7377-7387.

Citations 1 to 2 of 2 total
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Rated 5 out of 5 by from Various publications cite the use of Potassium Various publications cite the use of Potassium iodide as a fluorescence quenching agent. The use of KI in the isolation of single stranded DNA has also been described. -SCBT Publication Review
Date published: 2015-04-20
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