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Iodine Solution
- Origin
- : China
- CAS Number
- : 7553-56-2
- HS Code
- : 28012000
Basic Info
- IUPAC Name
- : diiodine
- Molecular Formula
- : I2
- Molecular Weight (g/mol)
- : 253.8100
- Synonyms & Trade Names
- : Iodine; Molecular iodine; I2
- Purity / Assay (%)
- : 99.5% solution
- Grade / Quality Level
- : Technical Grade
- Physical Form
- : Solid
- Concentration
- : Pure substance
- Appearance / Color
- : White to off-white solid
- Odor
- : Characteristic sharp
- Melting Point (°C)
- : 114.0000
- Boiling Point (°C)
- : 184
- Density (g/cm³)
- : 4.9330
- Solubility in Water
- : Slightly soluble (0.3g/100mL)
- Signal Word
- : Danger
- UN Number
- : 3077
- GHS Hazard Class
- : Oxidizer; Acute toxic; Skin corrosive; Aquatic hazard
- H-Statements
- : H272|H290|H302|H312|H314|H332|H400|H410
- P-Statements
- : P210|P221|P234|P260|P264|P273|P280|P301+P330+P331
- REACH Status
- : Registered
- Drug Precursor Status
- : Non-precursor
- Storage Class (GHS)
- : 5.1
- Storage Conditions
- : Cool, dark; away from oxidizers and moisture; corrosive
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Brief Overview
Potassium triiodide is a dark brown-violet solution of potassium iodide with iodine in water. A small amount may be used for emergency disinfection of drinking water.
Manufacturing Process
The most commonly used (nominal) 5% solution consists of 5% (wt/v) metallic iodine (I2) and 10% (wt/v) potassium iodide (KI) mixed in distilled water, and has a total iodine content of 126.4 mg/mL. The iodide combines with metallic iodine to form a high concentration of potassium triiodide (KI3) solution. There is some excess potassium.
