Sodium iodide dihydrate

Formula
NaI.2H2O
Structure
Description
White solid.

Registry Numbers and Inventories.
CAS
13517-06-1
Beilstein/Gmelin
35601 (G)

Properties.
Formula
H4INaO2
Formula mass
185.92
Melting point, °C
64.3
Vapor density (air=1)
>1
Density
2.67 g/cm3

Hazards and Protection.
Storage
Store in a cool place in the original container and protect from sunlight. Store in a tightly closed container.
Handling
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Incompatible with potassium iodide, oxidants, bromine trifluoride, alkaloidal salts, perchloric acid
Decomposition
Hydrogen iodide, sodium oxide, iodine.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Material will not burn. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam.

Health.
Exposure effects
Prolonged or repeated exposure may cause adverse reproductive effects. Chronic exposure can lead to iodism characterized by salivation, nasal discharge, sneezing, conjunctivitis, fever, laryngitis, bronchitis, stomatitis, and skin rashes. May cause fetal effects.
   Ingestion
Causes gastrointestinal irritation with nausea, vomiting and diarrhea. Ingestion may produc hypersensitivity characterized by: fever, arthralgia, lymph node enlargement and thrombocytopenia.
   Inhalation
May cause respiratory tract irritation. Irritation may lead to chemical pneumonitis and pulmonary edema.
   Skin
May cause skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.