ICSC 0504 - MAGNESIUM OXIDE

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MAGNESIUM OXIDE	ICSC: 0504 (May 2010)
Calcined brucite Calcined magnesia Magnesia

CAS #: 1309-48-4

EC Number: 215-171-9

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Not combustible.	NO contact with strong acids.	In case of fire in the surroundings: all extinguishing agents allowed.

PREVENT DISPERSION OF DUST!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough.	Use local exhaust or breathing protection.	Fresh air, rest.
Skin		Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness.	Wear safety goggles or eye protection in combination with breathing protection.	Rinse with plenty of water (remove contact lenses if easily possible).
Ingestion		Do not eat, drink, or smoke during work.	Rinse mouth.

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting.	According to UN GHS Criteria No hazard classification according to GHS criteria Transportation UN Classification
STORAGE
Separated from strong acids. Dry. Well closed.
PACKAGING

MAGNESIUM OXIDE

ICSC: 0504

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance HYGROSCOPIC FINE WHITE POWDER. Physical dangers No data. Chemical dangers Reacts violently with strong acids.	Formula: MgO Molecular mass: 40.3 Boiling point: 3600°C Melting point: 2800°C Relative density (water = 1): 3.6 Solubility in water: poor

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
HYGROSCOPIC FINE WHITE POWDER.

Physical dangers
No data.

Chemical dangers
Reacts violently with strong acids.

Formula: MgO
Molecular mass: 40.3
Boiling point: 3600°C
Melting point: 2800°C
Relative density (water = 1): 3.6
Solubility in water: poor

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of dust or fume. Effects of short-term exposure May cause mechanical irritation.	Inhalation risk A nuisance-causing concentration of airborne particles can be reached quickly when dispersed. Effects of long-term or repeated exposure Lungs may be affected by repeated or prolongated exposure to dust particles.

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of dust or fume.

Effects of short-term exposure
May cause mechanical irritation.

Inhalation risk
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed.

Effects of long-term or repeated exposure
Lungs may be affected by repeated or prolongated exposure to dust particles.

OCCUPATIONAL EXPOSURE LIMITS
TLV: (inhalable fraction): 10 mg/m³, as TWA; A4 (not classifiable as a human carcinogen). MAK: (inhalable fraction): 4 mg/m³; pregnancy risk group: C. MAK: (respirable fraction): 0.3 mg/m³; peak limitation category: II(8); pregnancy risk group: C

ENVIRONMENT

NOTES

ADDITIONAL INFORMATION

EC Classification

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