U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ACHIRAL
Molecular Formula I.K
Molecular Weight 166.0028
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of Potassium iodide

SMILES

[K+].[I-]

InChI

InChIKey=NLKNQRATVPKPDG-UHFFFAOYSA-M
InChI=1S/HI.K/h1H;/q;+1/p-1

HIDE SMILES / InChI
Molecular Formula HI
Molecular Weight 127.91241
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE
Molecular Formula K
Molecular Weight 39.0983
Charge 1
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Approval Year

1921
1468
Conditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
Preventing
Approved
8583
IOSAT

Approved Use

Helps prevent radioactive iodine from getting into the thyroid gland during a nuclear radiation emergency. Use along with other emergency measures recommended by public officials.

Launch Date

2011
PubMed

PubMed

TitleDatePubMed
Variable influences of iodine on the T-cell recognition of a single thyroglobulin epitope.
2007-07
Studies on experimental iodine allergy: 3. Low molecular weight elicitogenic antigens of iodine allergy.
2004-05
Studies on experimental iodine allergy: 1. Antigen recognition of guinea pig anti-iodine antibody.
2004-05
1H NMR studies of ligand and H/D exchange reactions of cis- and trans-([14]aneN4)(H2O)RhH2+ in aqueous solutions.
2003-06-02
Patents

Patents

03930837
19
04076821
9
04109003
12
04124643
9
04162913
17
04171369
12
04188397
11
04226882
9
04233309
10
04235797
18
04245121
15
04250174
20
04254056
16
04259337
9
04276305
10
04297292
12
04347255
9
04349553
9
04366101
9
04367238
16
04372953
14
04382942
9
04461896
19
04510136
35
04530922
25
04536518
9
04539410
25
04540791
10
04564610
11
04644082
9
04656290
9
04668356
10
04677202
10
04689337
9
04746654
10
04771054
23
04794188
12
04837333
10
04853382
12
04853470
9
04855481
9
04863947
10
04883789
13
04950674
17
05008451
10
05013863
12
05057525
26
05064854
10
05076956
9
05102906
9
05114936
9
05153227
16
05155212
10
05164387
12
05166026
9
05166386
10
05196224
10
05204018
9
05256672
9
05360811
10
05393759
9
05470845
11
05496816
11
05827858
9
05827859
9
05952343
9
05972975
12
06090825
9
06143743
9
06166037
10
06291523
11
06863647
9
06906072
14
06911452
9
06982258
9
07186709
12
07524882
10
07612114
20
07786156
9
07799440
9
07915256
9
07989461
10
08039514
11
08084448
12
08138188
9
08389759
9
08440702
13
20090120802
10
7820025
10
Substance Class Chemical
Created
by admin
on Mon Mar 31 18:10:31 GMT 2025
Edited
by admin
on Mon Mar 31 18:10:31 GMT 2025
Record UNII
1C4QK22F9J
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
Potassium iodide
EP   FCC   HSDB   INCI   MART.   MI   ORANGE BOOK   USP   USP-RS   VANDF   WHO-DD   WHO-IP  
INCI  
Official Name English
KALI IODATUM
HPUS  
Preferred Name English
POTASSIUM IODIDE [JAN]
Common Name English
IOSAT
Brand Name English
IODINE (AS POTASSIUM) [VANDF]
Common Name English
NSC-77362
Code English
THYROSHIELD
Brand Name English
KALI IODATUM [HPUS]
Common Name English
POTASSIUM IODIDE [WHO-IP]
Common Name English
POTASSIUM IODIDE [USP-RS]
Common Name English
Potassium iodide [WHO-DD]
Common Name English
THYROSAFE
Brand Name English
KALII IODIDUM [WHO-IP LATIN]
Common Name English
POTASSIUM IODIDE [MI]
Common Name English
IODINE (AS POTASSIUM IODIDE) [VANDF]
Common Name English
POTASSIUM IODIDE [ORANGE BOOK]
Common Name English
THYRO-BLOCK
Brand Name English
POTASSIUM IODIDE [FCC]
Common Name English
POTASSIUM IODIDE [MART.]
Common Name English
POTASSIUM IODIDE [HSDB]
Common Name English
POTASSIUM IODIDE [USP MONOGRAPH]
Common Name English
POTASSIUM IODIDE [EP MONOGRAPH]
Common Name English
POTASSIUM IODIDE [VANDF]
Common Name English
Classification Tree Code System Code
NCI_THESAURUS C797
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
WHO-ESSENTIAL MEDICINES LIST 6.3
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
EPA PESTICIDE CODE 75701
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
FDA ORPHAN DRUG 190304
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
WHO-VATC QR05CA02
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
CFR 21 CFR 184.1634
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
WHO-VATC QV03AB21
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
CFR 21 CFR 172.375
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
WHO-ATC R05CA02
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
WHO-VATC QS01XA04
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
WHO-ATC S01XA04
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
WHO-ESSENTIAL MEDICINES LIST 18.8
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
WHO-ATC V03AB21
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
Code System Code Type Description
MESH
D011193
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
CHEBI
8346
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
WIKIPEDIA
POTASSIUM IODIDE
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
FDA UNII
1C4QK22F9J
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
ChEMBL
CHEMBL1141
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
EPA CompTox
DTXSID7034836
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
RS_ITEM_NUM
1548280
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
CAS
7681-11-0
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
NSC
77362
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
SMS_ID
100000091320
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
HSDB
5040
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
DAILYMED
1C4QK22F9J
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
RXCUI
8597
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY RxNorm
MERCK INDEX
m9034
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY Merck Index
ECHA (EC/EINECS)
231-659-4
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
DRUG BANK
DB06715
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
PUBCHEM
4875
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
NCI_THESAURUS
C47680
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
EVMPD
SUB14985MIG
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
DRUG CENTRAL
4296
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY
WHO INTERNATIONAL PHARMACOPEIA
POTASSIUM IODIDE
Created by admin on Mon Mar 31 18:10:31 GMT 2025 , Edited by admin on Mon Mar 31 18:10:31 GMT 2025
PRIMARY Description: Colourless crystals or a white, granular powder; odourless. Solubility: Soluble in 0.7 part of water, in 17 parts of ethanol (~750 g/l) TS, in 2 parts of glycerol R, and in 75 parts of acetone R. Category: Antifungal, expectorant. Storage: Potassium iodide should be kept in a well-closed container, protected from light. Definition: Potassium iodide contains not less than 99.0% and not more than 101.0% of KI, calculated with reference to the driedsubstance.
Related Record Type Details
Structure of IODIDE ION
ACTIVE MOIETY
NIH
NCATS
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