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MSDS for MAGNESIUM Page 1

1 - PRODUCT IDENTIFICATION

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PRODUCT NAME: MAGNESIUM

FORMULA: MG

FORMULA WT: 24.30

CAS NO.: 7439-95-4

NIOSH/RTECS NO.: OM2100000

PRODUCT CODES: 2416

EFFECTIVE: 10/24/86

REVISION #03

PRECAUTIONARY LABELLING

BAKER SAF-T-DATA(TM) SYSTEM

HEALTH - 1 SLIGHT

FLAMMABILITY - 4 EXTREME (FLAMMABLE)

REACTIVITY - 3 SEVERE (WATER REACTIVE)

CONTACT - 1 SLIGHT

HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD).

LABORATORY PROTECTIVE EQUIPMENT

SAFETY GLASSES; LAB COAT; CLASS D EXTINGUISHER

PRECAUTIONARY LABEL STATEMENTS

WARNING

CAUSES IRRITATION

DUST MAY FORM FLAMMABLE AND EXPLOSIVE MIXTURE WITH AIR, ESPECIALLY

WHEN DAMP.

KEEP AWAY FROM HEAT, SPARKS, FLAME.

DO NOT BREATHE DUST. KEEP IN TIGHTLY CLOSED CONTAINER. USE WITH

ADEQUATE VENTILATION. WASH THOROUGHLY AFTER HANDLING. IN CASE OF FIRE,

DO NOT USE WATER. USE DRY SAND, EARTH OR SODA ASH. IN CASE OF SPILL,

SWEEP UP AND CAREFULLY REMOVE.

SAF-T-DATA(TM) STORAGE COLOR CODE: RED STRIPE (STORE SEPARATELY)

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2 - HAZARDOUS COMPONENTS

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COMPONENT % CAS NO.

MAGNESIUM 90-100 7439-95-4

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3 - PHYSICAL DATA

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BOILING POINT: 1107 C ( 2025 F) VAPOR PRESSURE(MM HG): N/A

MELTING POINT: 650 C ( 1202 F) VAPOR DENSITY(AIR=1): 0.84

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MSDS for MAGNESIUM Page 2

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SPECIFIC GRAVITY: 1.74 EVAPORATION RATE: N/A

(H2O=1) (BUTYL ACETATE=1)

SOLUBILITY(H2O): DECOMPOSES % VOLATILES BY VOLUME: 0

APPEARANCE & ODOR: SILVERY, WHITE METALLIC POWDER.

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4 - FIRE AND EXPLOSION HAZARD DATA

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FLASH POINT (CLOSED CUP 634 C ( 1175 F) NFPA 704M RATING: 0-1-2 W

FLAMMABLE LIMITS: UPPER - N/A % LOWER - N/A %

FIRE EXTINGUISHING MEDIA

SMOTHER WITH DRY SODA ASH. NEVER USE WATER OR CHEMICAL FIRE

EXTINGUISHERS.

SPECIAL FIRE-FIGHTING PROCEDURES

FIREFIGHTERS SHOULD WEAR PROPER PROTECTIVE EQUIPMENT AND SELF-CONTAINED

BREATHING APPARATUS WITH FULL FACEPIECE OPERATED IN POSITIVE PRESSURE MODE.

MOVE CONTAINERS FROM FIRE AREA IF IT CAN BE DONE WITHOUT RISK. USE WATER

TO KEEP FIRE-EXPOSED CONTAINERS COOL.

BURNS WITH A VERY BRIGHT FLAME, FIRE GLASSES MUST BE WORN.

UNUSUAL FIRE & EXPLOSION HAZARDS

REACTS VIOLENTLY WITH WATER PRODUCING HIGHLY FLAMMABLE VAPORS.

CONTACT WITH STRONG OXIDIZERS MAY CAUSE FIRE OR EXPLOSION.

DUST MAY FORM EXPLOSIVE MIXTURE WITH AIR.

TOXIC GASES PRODUCED

HYDROGEN GAS

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5 - HEALTH HAZARD DATA

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TLV IS LISTED FOR MAGNESIUM OXIDE FUME.

THRESHOLD LIMIT VALUE (TLV/TWA): 10 MG/M3 ( PPM)

CARCINOGENICITY: NTP: NO IARC: NO Z LIST: NO OSHA REG: NO

EFFECTS OF OVEREXPOSURE

INHALATION OF DUST MAY CAUSE IRRITATION TO UPPER RESPIRATORY TRACT.

INHALATION OF FUMES MAY RESULT IN LEUKOCYTOSIS.

CONTACT MAY CAUSE IRRITATION OF SKIN, EYES, AND MUCOUS MEMBRANES.

TARGET ORGANS

RESPIRATORY SYSTEM, EYES

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE

NONE IDENTIFIED

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MSDS for MAGNESIUM Page 3

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ROUTES OF ENTRY

INHALATION, SKIN CONTACT, EYE CONTACT

EMERGENCY AND FIRST AID PROCEDURES

CALL A PHYSICIAN.

IF SWALLOWED, DO NOT INDUCE VOMITING; IF CONSCIOUS, GIVE LARGE AMOUNTS OF

WATER.

IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL

RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.

IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES WITH PLENTY OF WATER FOR AT

LEAST 15 MINUTES. FLUSH SKIN WITH WATER.

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6 - REACTIVITY DATA

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STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR

CONDITIONS TO AVOID: MOISTURE, HEAT, FLAME, OTHER SOURCES OF IGNITION

INCOMPATIBLES: STRONG OXIDIZING AGENTS, STRONG ACIDS, WATER, HALOGENS,

CYANIDES

DECOMPOSITION PRODUCTS: HYDROGEN

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7 - SPILL AND DISPOSAL PROCEDURES

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STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE

WEAR SUITABLE PROTECTIVE CLOTHING. SHUT OFF IGNITION SOURCES; NO FLARES,

SMOKING, OR FLAMES IN AREA. DO NOT USE WATER.

WITH CLEAN SHOVEL, PLACE MATERIAL INTO CLEAN, DRY CONTAINER AND COVER.

MOVE CONTAINER(S) FROM SPILL AREA.

DISPOSAL PROCEDURE

DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL

ENVIRONMENTAL REGULATIONS.

EPA HAZARDOUS WASTE NUMBER: D001, D003 (IGNITABLE, REACTIVE WASTE)

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8 - PROTECTIVE EQUIPMENT

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VENTILATION: USE ADEQUATE GENERAL OR LOCAL EXHAUST VENTILATION

TO KEEP FUME OR DUST LEVELS AS LOW AS POSSIBLE.

RESPIRATORY PROTECTION: NONE REQUIRED WHERE ADEQUATE VENTILATION

CONDITIONS EXIST. IF AIRBORNE CONCENTRATION IS

HIGH, USE AN APPROPRIATE RESPIRATOR OR DUST MASK.

EYE/SKIN PROTECTION: SAFETY GLASSES WITH SIDESHIELDS, PROPER GLOVES ARE

RECOMMENDED.

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9 - STORAGE AND HANDLING PRECAUTIONS

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SAF-T-DATA(TM) STORAGE COLOR CODE: RED STRIPE (STORE SEPARATELY)

SPECIAL PRECAUTIONS

KEEP CONTAINER TIGHTLY CLOSED. STORE AWAY FROM WATER OR LOCATIONS WHERE

WATER MAY BE USED TO EXTINGUISH FIRE.

STORE IN A COOL, WELL-VENTILATED AREA AWAY FROM SOURCES OF HEAT, FLAME, OR

IGNITION.

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10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION

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DOMESTIC (D.O.T.)

PROPER SHIPPING NAME MAGNESIUM METAL (POWDERED)

HAZARD CLASS FLAMMABLE SOLID

UN/NA UN1869

LABELS FLAMMABLE SOLID, DANGEROUS WHEN WET

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME MAGNESIUM, POWDER, NON-PYROPHORIC

HAZARD CLASS 4.3

UN/NA UN1418

LABELS DANGEROUS WHEN WET