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                                             MATERIAL SAFETY DATA SHEET





I        PRODUCT IDENTIFICATION



                            Magnesium                                                                            Magnesium M etal

Trade Name:                                                                          Synonym:

                            Plasma Standards                                                                     Mg

Ch em ical Fam ily:                                                                  Form ula:

                            7439-9 5-4                                                                           24.31

CAS #:                                                                               Molecular Weight:





II       HAZAR DOUS INGRED IENTS



Haz ardous C omp onents              %                  OSHA/PEL                                        ACGIH/TLV

                                                        15 m g/m 3 (For M gO fum e, as Mg)              10 m g/m 3 (For MgO fume, as Mg)

Magnesium                            0-100





III      PHYSICAL DATA



                                     1107 oC                                                                     648.8 oC

Boiling Point 760 mm Hg:                                                             Melting Point:

                                     1.74                                                                        No t Applicab le

Specific Gravity:                                                                    Vapo r Density:

                                     No t Applicab le                                                            Insoluble

% V olatiles by Weight:                                                              Solubility in H 2O:

                                     Silver-white metal

Appearance and Odor:





IV       FIRE AND EXPLOSION H AZARDS DATA



Flash Point: N/A

Flam mab le Limits: Upper: N/A                 Lower: N/A



Extingu ishing Media: Melting flux, dry sand, metal extinguishing powders such as G-1, MET-L -X, etc.



Special Fire Fighting Procedures: Use of water on a m agnesium fire will produce h ydrogen gas and m ay cause an exp losion. In

fire conditions, protect eyes and sk in against flying p articles. A void direct view ing o f magn esium fires as eye injury ma y resu lt.



Unusual Fire & Explosion Hazards: Com bustible m etal. Fine powd er, oil or turnings are easily ignited an d bu rn w ith inten se heat

and brilliant w hite flam e. Powd ers form explosive mix tures w ith air w hich ma y be ignited by a spark . Pieces >3 mm thick difficu lt to

ignite but possible when su fficient heat is applied. In finely divided form will react with w ater, haloge ns, oxidizing agen ts and acids.





V        HEALTH HAZARD INFORMATION



Threshold Limit Value: For m agn esium oxid e fum e, as M g: TL V 1 0 m g/m 3 OSHA /PEL 15 m g/m 3.



Effects of Over Expo sure: Dust is an irritant to eyes and mucous m embranes. Small particles imbedded in skin may cause

ulceration which m ay becom e infected. Inhalation of excessive conc entrations of oxide fume m ay cause m etal fume fever.



Medical Conditions Aggravated by Exposure: Damaged skin, eye disorders, cardiopulmonary disease.

Carcino genicity: None identified.

EMERG ENCY AND FIRST AID PROCEDURES:



INHALATION/INGESTION: Remove from exposure, seek imm ediate medical attention.

SK IN: Rem ove any contam inated clothing, b rush ma terial off of skin, flush with running water, wash carefu lly with soap and w ater.

Remove splinters to avoid delays in healing.

EYE: Flush w ith copiou s amo unts of w ater for 15 minu tes.





VI       REACTIVITY DATA



Stability: Stable

Incompatibility (Material to Avoid): Moisture, Acids



Haz ardous D ecomposition Produc ts: Acids to form hydrogen gas

Hazardous Polymerization: Will not occur





VII      SPILL OR LEAK PROC EDURES



Steps to be Taken in Case Material is Released or Spilled: Clean up using n on-spark ing to ols. No sm okin g or open flam es in

clean up area.



Waste Disposal Method: In accord ance w ith Loca l, State and Federal W aste Dispo sal Regu lations.





VIII     SPECIAL PROTECTION INFORMATION



Respiratory Protection (Specify Type): NIOSH-approved respirator for concentrations encountered.

Ventilation: Fume hood for dust, fumes



Protective Gloves: Rubber

Eye Protection: Safety Glasses



Other Protective Equipment: As needed to prev ent co ntact.





IX       SPECIAL PRECAUTIONS



Other Handling and Storage Conditions: Protect against physical dama ge. Store finely divided ships or shavings in detached fire

resistive building protected from moisture and away from halogens, acids, and all sources of ignition. Heavier may be stored in the

open.



US Precautionary Labeling: POISON!! DANGER!! CAUSES SEVERE IRRITATION. HARMFUL IF SWALLOWED OR

INH ALE D. Do n ot get in eyes, on skin, on clothing. Do not breathe vap or. Keep in tightly closed container. Loosen closure

cautiously. Use with adequate ventilation. Wash thoroughly after handling. In case of spill neutralize with soda ash or lime and

place in dry container.



International Labeling: Avoid contact with eyes. After contact with skin, wash imm ediately with plenty of water. Keep container

tightly closed.





Issued By:        S. Dierks

Date:             December 2001









                                                            -Magnesium 2-