Salts & Minerals
REACH
Sodium iodide
CAS Number
7681-82-5
EC Number
231-679-3
Abbreviation
NaI
What is Sodium iodide?
Sodium iodide (CAS 7681-82-5), commonly referenced as NaI, is an inorganic iodine salt used as an iodine source.
Where is Sodium iodide used?
- Pharmaceutical manufacturing: production of iodine-containing active ingredients
- Thyroid-related drug formulations: source compound
- Organic synthesis: catalyst or reagent for halide exchange
- Finkelstein reaction: converts alkyl chlorides or bromides into alkyl iodides
- Animal feed and agricultural nutrition: iodine fortification agent against iodine deficiency in livestock
- Food-grade NaI serves as an iodine source in salt iodization programs and dietary supplements.
Other Names (Synonyms)
Sodium monoiodide|NaI|Ioduril|Soiodin|Iodure de sodium|Natrii iodidum|Jodid sodny|Sodium iodide (NaI)
What are the physical properties of Sodium iodide?
Melting Point 651 °C
Boiling Point 1304 °C
Density 3.67 g/cm³
Flash Point 1300-1304°C
Appearance Crystalline
Color White
Form beads
Water Solubility 184 g/100 mL (25 ºC)
Vapor Pressure 1 hPa (767 °C)
Refractive Index 1.7745
pH 6-9 (50g/l, H2O, 20℃)
Log P -1.301 at 25℃
How is Sodium iodide classified and handled safely? Learn More
Danger
GHS07· Irritant GHS08· Health Hazard GHS09· Environmental Hazard
Hazard Statements
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H372 Causes damage to organs through prolonged or repeated exposure
H400 Very toxic to aquatic life
H411 Toxic to aquatic life with long lasting effects
Precautionary Statements
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Which trade and regulatory codes apply to Sodium iodide?
HS Code 28276000
UN Number 3077
ADR Class 9
Packing Group III
Storage Class 13 - Non Combustible Solids
WGK (Germany) 1