SECTION V HEALTH HAZARD DATA
MATERIAL SAFETY DATA SHEET MM 100
Magnesium Oxide fume: TWA 10 mg/m3. (ACGIH 1983-84).
Threshold Limited Value
ALDON 1533 W.Henrietta Rd.
OSHA (PEL): TWA = 15 mg/m 3.
MM 100
Avon, New York 14414 MSDS No.
庐
CORPORATION January 20, 1995
Effective Date
(716) 226-6177
Effects of Overexposure INGESTION: Slowly absorbed that oral administration causes nothing more than purging.
If evacuation fails to occur, irritation of the mucous membranes and absorption can occur.
INHALATION: Can produce respiratory irritation with resulting edema and difficulty in
SECTION I NAME 24 HOUR EMERGENCY ASSISTANCE breathing. Fume can produce metal fume fever, an illness similar to influenza. Symptoms:
fever, cough oppression in the chest, nausea, vomiting, headache, muscular pain and
Product MAGNESIUM OXIDE
CHEMTREC leukocytosis. SKIN: Not hazardous. EYES: Slight irritant.
1
Health
800-424-9300
Chemical
Emergency and
Magnesium Oxide, Heavy, Light Powder
Synonyms 0
Fire
Day 716-226-6177 EYES: Flush thoroughly with water, lifting lower and upper eyelids
First Aid Procedures
Formula MgO occasionally. If irritation develops or persists, get medical attention.
1
Reactivity
NFPA SKIN: Flush with water, then wash with mild soap and water.
HAZARD RATING HMIS *
Unit Size up to 2.5 Kg. INHALATION: Remove to fresh air. If illness or discomfort develops,
LEAST SLIGHT MODERATE HIGH EXTREME
get medical attention. INGESTION: If swallowed, treat symptomatically
0 1 2 3 4
C.A.S. No. 1309-48-4
and supportively. Get medical attention.
SECTION II INGREDIENTS OF MIXTURES
SECTION VI REACTIVITY DATA
Principal Component(s) % TLV Units
Conditions to Avoid
Stability Unstable Absorbs carbon dioxide and water from the air.
Magnesium Oxide 100% None established.
Stable X
Incompatibility Strong oxidizers, chlorine trifluoride. If magnesium oxide is heated to volatilization,
magnesium oxide fumes may be generated.
(Materials to Avoid)
CAUTION! DO NOT BREATHE DUST.
Hazardous
MAY BE HARMFUL IF INHALED. Magnesium metal fumes.
Decomposition Products
SECTION III PHYSICAL DATA
Conditions to Avoid
Hazardous Polymerization
Specific Gravity (H2O = 1)
2800掳C (5072掳F) 3.65-3.75
Melting Point (掳F)
May Occur Will Not Occur Not applicable.
Percent Volatile
Boiling Point (掳F) 3600掳C (6512掳F) Non-volatile (NA). X
by Volume (%)
Evaporation Rate
SECTION VII SPILL OR LEAK PROCEDURES
Negligible as solid. n-Butyl Ac. =1) Non-volatile (NA).
Vapor Pressure (mm Hg) (
Steps to be taken in case
Data not listed.
Vapor Density (Air=1) Recover for use if not contaminated. Wear protective safety equipment
material is released or spilled and use adequate ventilation. Avoid making dust. Sweep up and place
Solubility in Water 0.4 grams per 100 mL. water at 20掳C.
in a suitable container for disposal.
Appearance & Odor White fluffy or dense powder; no odor.
Discharge, treatment, or disposal may be subject to Federal, State or Local laws.
Waste Disposal Method
SECTION IV FIRE AND EXPLOSION HAZARD DATA These disposal guidelines are intended for the disposal of catalog-size quantities only.
Lower
Flammable Limits in Air Upper
Flash Point
Dispose of in an approved chemical landfill or contract with a licensed waste
% by Volume
Non-flammable (NA). NA -------- --------
(Method Used)
disposal service.
Extinguisher
Use any media suitable for extinguishing supporting fire. SECTION VIII SPECIAL PROTECTION INFORMATION
Media
None needed in normal laboratory handling. If dusty conditions prevail, work in ventilation
Respiration Protection
hood or wear a NIOSH-approved dust mask or respirator.
(Specify Type)
SPECIAL FIREFIGHTING
Recommended. No.
Local Exhaust Special
PROCEDURES Ventilation Recommended. Adequate to maintain below exposure limit.
Mechanical (General) Other
In fire conditions, wear a NIOSH-approved self-contained breathing
Protective Gloves Rubber for prolonged exposure. Eye Protection Chemical safety glasses.
apparatus. No acute hazard. Move container from fire area if possible.
Avoid breathing vapors or dust; keep upwind.
Other Protective
Eye wash station, goggles, ventilation hood, lab coat, proper gloves.
Equipment
SECTION IX SPECIAL PRECAUTIONS
Precautions to be Taken
UNUSUAL FIRE AND Store in a dry place.
in Handling & Storing
EXPLOSION HAZARDS Wash thoroughly after handling.
Keep container tightly closed when not in use.
Read label on container before using. Do not wear contact lenses when working with chemicals.
Other Precautions
Fire or excessive heat may produce dust of magnesium oxide.
Negligible fire hazard when exposed to heat or flame. Avoid contact with eyes. Avoid prolonged or repeated contact with
skin. Remove and wash contaminated clothing.
For laboratory use only. Not for drug, food or household use. Keep out of reach of children.
Chemical Safety
Approved
Revision Date 1/20/95
No. 3 Michael Raszeja MR
Coordinator
D.O.T. NON-REGULATED. The information contained herein is furnished without warranty of any kind. Employers should use this information only as a supplement to other information
gathered by them and must make independent determinations of suitability and completeness of information from all sources to assure proper use of these
Approved by U.S. Department of Labor "essentially similar" to form OSHA-20 materials and the safety and health of employees. * Hazardous Materials Industrial Standards. Printed on recycled paper.
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