ChemicalBook >>Potassium periodate>>Periodic acid potassium salt(7790-21-8)

Periodic acid potassium salt(7790-21-8)

Periodic acid potassium salt(7790-21-8)
Product IdentificationBack to Contents
【Product Name】

Periodic acid potassium salt
【Synonyms】

Periodic acid potassium salt
Potassium (meta)periodate
【CAS】

7790-21-8
【Formula】

IKO4
【Molecular Weight】

230
【EINECS】

232-196-0
【Merck】

12,7823
【Beilstein/Gmelin】

46186 (G)
Physical and Chemical PropertiesBack to Contents
【Appearance】

colorless tetragonal crystals
【Melting Point】

576 - 588
【Density】

3.618 g/cm3 (15 C)
【Usage】

Powerful oxidizer in acid soln, oxidizing manganese compds to permanganate.
【Vapor Density】

7.9
First Aid MeasuresBack to Contents
【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.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and StorageBack to Contents
【Storage】

Do not store near combustible materials. Keep away from reducing agents. Heat can cause thermal decomposition and pressure build-up inside containers. Keep containers tightly closed.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid contact with skin and eyes. Keep container tightly closed. Avoid contact with clothing and other combustible materials. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Ingestion】

May cause irritation of the digestive tract.
【Inhalation】

Causes respiratory tract irritation. Causes irritation of mucous membrane.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation.
【EC Risk Phrase】

R 8 36/37/38
【EC Safety Phrase】

S 17 26 36
【UN (DOT)】

1479
Exposure Controls/Personal ProtectionBack to Contents
【Personal 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.
【Poison Class】

2
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Strong oxidizer. Contact with combustible materials may cause a fire. Decomposes at high temperatures releasing oxygen which may cause an existing fire to burn more vigorously. Flammable when exposed to flame. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam. Cool containers with flooding quantities of water until well after fire is out.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong reducing agents; finely powdered metals; amines; ammonium perchlorate
【Decomposition】

Oxygen, oxides of potassium, iodide ions (I-).
Transport InformationBack to Contents
【UN Number】

1479
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