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SODIUM IODIDE (ANHYDROUS) ICSC: 1009
April 2005
Sodium monoiodide PDF for printing Explanation of fields
CAS No: 7681-82-5
RTECS No: WB6475000
    NaI
Molecular mass: 149.9

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.   In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION      
 
EXPOSURE   PREVENT DISPERSION OF DUST! AVOID EXPOSURE OF (PREGNANT) WOMEN!  
Inhalation Cough. Sore throat. Headache. Ventilation (not if powder), local exhaust, or breathing protection. Fresh air, rest.
Skin Redness. Protective gloves. Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes Redness. Safety goggles or eye protection in combination with breathing protection if powder. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Diarrhoea. Nausea. Vomiting. Do not eat, drink, or smoke during work. Rinse mouth. Give plenty of water to drink. Refer for medical attention.

SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: P1 filter respirator for inert particles. Sweep spilled substance into containers.  

EMERGENCY RESPONSE SAFE STORAGE
  Separated from strong oxidants, food and feedstuffs. Dry. Well closed.

IMPORTANT DATA
Physical State; Appearance
COLOURLESS TO WHITE HYGROSCOPIC CRYSTALS OR WHITE POWDER. TURNS BROWN ON EXPOSURE TO AIR.

Chemical dangers
Reacts violently with strong oxidants to produce iodine fumes.

Occupational exposure limits
TLV not established.
MAK not established.

Routes of exposure
The substance can be absorbed into the body by ingestion.

Inhalation risk
A harmful concentration of airborne particles can be reached quickly especially if powdered.

Effects of short-term exposure
The substance is irritating to the eyes, the skin and the respiratory tract.

Effects of long-term or repeated exposure
If ingested: the substance may have effects on the thyroid and may cause systemic sensitization. See Notes.


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Boiling point: 1304°C
Melting point: 660°C
Density: 3.67 g/cm³
Solubility in water, g/100 ml at 25°C: 184
 

NOTES
Health effects apply also to Sodium iodide dihydrate CAS 13517-06-1. Symptoms of systemic sensitization may include airway obstruction and various skin reactions or even anaphylactic shock. Exposure during pregnancy may affect the thyroid function of the newborn.

IPCS
International
Programme on
Chemical Safety
WHO ILO UNEP EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.

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