Basic information
- Name:
Potassium iodide
- CAS No.:
7681-11-0
- Molecular Structure:
- Formula:
- KI
- Synonyms:
- Dipotassium diiodide;Thyro-Block;Thyroblock;Pima;KI;Kaiod;Potide;K1-N;Potassium iodide (K(I2));Joptone;Mudrane-2 Tablets;Potassium iodide [JAN];Potassium monoiodide;Potassium salt of hydriodic acid;Iodure de potassium;Kaliumiodid;Pherajod;Kalii iodidum;Kali iodide;Potassium iodide (KI);Potassium diiodide;Tripotassium triiodide;Potassium iodide (JP14/USP);3,4,5-Trihydroxy benzoic acid;Potassium Iodide 45% Soln;Thyroblock (TN);Knollide;Kisol;Asmofug E;Mudrane Tablets;Potassium iodide (K2I2);
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Chemistry
Molecular Structure of Potassium iodide (CAS NO.7681-11-0):
.png)
IUPAC Name: potassium iodide
Name: Potassium iodide
Molecular Formula: KI
Molecular Weight: 165.99
CAS Registry Number: 7681-11-0
EINECS: 231-659-4
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 0 Å2
Melting point: 113 °C(lit.)
Boiling Point: 184 °C(lit.)
Density: 1.32 g/mL at 25 °C
Vapor pressure 0.31 mm Hg ( 25 °C)
Refractive index 1.677
Flash Point: 1330°C
Water Solubility: 1.43 kg/L
Sensitive: Hygroscopic
Merck: 14,7643
Storage temp: Store at RT
Stability: Stable. Protect from light and moisture. Incompatible with strong reducing agents, strong acids, steel, aluminium, alkali metals, brass, magnesium, zinc, cadmium, copper, tin, nickel and their alloys.
Classification Code: Antifungal; Expectorant; Human Data; Mutation data; Reproductive Effect; Supplement [iodine]
Production
Potassium iodide is ionic, K+I?. It crystallises in the sodium chloride motif.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LDLo | intraperitoneal | 1117mg/kg (1117mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | Journal of Pharmacology and Experimental Therapeutics. Vol. 120, Pg. 171, 1957. |
| mouse | LDLo | oral | 1862mg/kg (1862mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Journal of Pharmacology and Experimental Therapeutics. Vol. 120, Pg. 171, 1957. |
| rabbit | LDLo | oral | 916mg/kg (916mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 30, Pg. 407, 1927. | |
| rat | LDLo | intravenous | 167mg/kg (167mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 96, Pg. 292, 1923. |
Safety Profile
Hazard Codes: 
Xn,
N,
Xi,
F
Risk Statements: 36/37/38-36/37-20/21/22-19-11-43-34-20/21-42/43-36/38-61
R36/37/38:Irritating to eyes, respiratory system and skin.
R36/37:Irritating to eyes and respiratory system.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R19:May form explosive peroxides.
R11:Highly flammable.
R43:May cause sensitization by skin contact.
R34:Causes burns.
R20/21:Harmful by inhalation and in contact with skin.
R42/43:May cause sensitization by inhalation and skin contact.
R36/38:Irritating to eyes and skin.
R61:May cause harm to the unborn child.
Safety Statements: 26-ection-24/25-36-45-36/37/39-53-36/37-22
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S24/25:Avoid contact with skin and eyes.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S53:Avoid exposure - obtain special instructions before use.
S36/37:Wear suitable protective clothing and gloves.
S22:Do not breathe dust.
RIDADR: UN 2056 3/PG 2
WGK Germany: 2
RTECS: NN1575000
F: 10
HazardClass: 8
PackingGroup: II
HS Code: 28276000
Specification
Potassium iodide , with CAS number of 7681-11-0, can be called AI3-52931 ; Asmofug E ; Dipotassium diiodide ; Iodure de potassium ; Potassium monoiodide ; Thyro-Block ; Potide ; Tripotassium triiodide . KI is also used as a fluorescence quenching agent in biomedical research because of collisional quenching by its iodide ion. Potassium iodide (CAS NO.7681-11-0) is used medicinally in tablets.Potassium iodide is an inorganic compound with formula KI.
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