Magnesium peroxide

  • Magnesium dioxide
Formula
MgO2
Structure
Description
A white powder.
Uses
Used in medicine, and as a bleaching agent.

Registry Numbers and Inventories.
CAS
1335-26-8
EC (EINECS/ELINCS)
215-627-7
UN (DOT)
1483
Merck
12,5717
Beilstein/Gmelin
95156 (G)
Canada DSL/NDSL
NDSL
US TSCA
Listed
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
MgO2
Formula mass
56.30
Melting point, °C
222 - 225
Density
~3.0 g/cm3 (20 C)
Solubility in water
Insoluble

Hazards and Protection.
Storage
Store in a cool, dry location in a tightly sealed container.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear protective gloves and clothing and safety goggles.
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
Keep sparks, flames, and other sources of ignition away. Keep material out of water sources and sewers.
Stability
No data.

Fire.
Fire fighting
Flood with water. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible.
Fire potential
Oxidizing material. Contact with combustible materials may cause fire.
Hazards
These substances will accelerate burning when involved in a fire. Some may decompose explosively when heated or involved in a fire. May explode from heat or contamination. Some will react explosively with hydrocarbons (fuels). May ignite combustibles (wood, paper, oil, clothing, etc.). Containers may explode when heated. Runoff may create fire or explosion hazard.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
 
Special
O

Health.
Exposure effects
   Ingestion
May causes irritation. May be harmful if ingested.
   Inhalation
May causes irritation. May be harmful if inhaled.
   Skin
May causes irritation. May be harmful if absorbed.
   Eyes
May cause irritation.

First aid
 
   Ingestion
Wash mouth out with water, provided that the person is concious. Seek medical attention.
   Inhalation
Remove to fresh air. If no breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Immediately wash skin with soap and large amounts of water.
   Eyes
Flush eyes with copious amounts of water for at least 15 minutes. Seek medical attention.

Transport.
UN number
1483
Response guide
Hazard class
5.1
Packing Group
II; III
 
Std. Transport #
4918730