Product ID:MHT 50 S MAGNESIUM HYDROXIDE TECHNICAL GRADE, 02397
MSDS Date:05/15/1992
FSC:6810
NIIN:00N058426
MSDS Number: BXCZD

DOW CHEMICAL U.S.A.

2020 DOW CENTER
MIDLAND, MI 48674
US

Emergency Phone: 517-636-1000

Info Phone: 517-636-4400

Cage: 96717

DOW CHEMICAL CO

MIDLAND, MI 48674 US

Telephone: 800-258-2436

Cage: 96717

MAGNESIUM HYDROXIDE

CAS: 1309-42-8

RTECS: OM3570000

Fraction By Weight: 57-60%

OSHA PEL N/K

ACGIH TLV: N/K

WATER

CAS: 7732-18-5

RTECS: ZC0110000

Fraction By Weight: 40-43%

OSHA PEL N/K

ACGIH TLV: N/K

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYES: MAY CAUSE VERY SLIGHT TRANSIENT
(TEMPORARY) CORNEAL INJURY. MAY CAUSE MOD IRRIT. SKIN CONT:
PRLNG/RPTD EXPOS NOT LIKELY TO CAUSE SIGNIFICANT IRRIT. MAY CAUSE
MORE SEV RESPONSE IF CONFINED TO SKI N/SKIN IS ABRADED
(SCRATCHED/CUT). SKINABSORPTION: A SINGLE PRLNG EXPOS IS NOT LIKELY
TO RSLT IN MATL (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ: BEING ABSORBED THRU SKIN IN HARMFUL
AMTS. DERMAL LD50 HAS NOT BEEN DETERMINED. INGEST: SINGLE DOSE ORAL
TOXICITY IS BELIEVED TO BE LOW. INHAL: VAPS ARE UNLIKELY DUE TO
PHYSICAL PROPERTIES. D USTS/MISTS MAY CAUSE IRRIT TO UPPER RESP
TRACT.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES: IRRIGATE W/FLOWING WATER IMMED & CONTINUOUSLY FOR AT
LEAST 15 MIN. CONSULT MD PERS. SKIN: WASH OFF IN FLOWING
WATER/SHOWER. INGEST: CALL MD IMMED . INHAL: REMOVE TO FRESH AIR IF
EFTS OCCUR . CONSULT MD. NOTE TO PHYSICIAN: NO SPECIFIC ANTIDOTE.
SUPPORTIVE CARE. TREATMENT BASED ON JUDGMENT OF PHYSICIAN IN
RESPONSE TO REACTIONS OF PATIENT.

Extinguishing Media:NON COMBUSTIBLE. USE MEDIA SUITABLE FOR SURROUNDING
FIRE .
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE. WILL NOT BURN.

Spill Release Procedures:CLEAN UP FLOOR AREAS (CREATES A SLIPPERY
CONDITION). SHOVEL OR PUMP UP.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:PRACTICE REASONABLE CARE AND CAUTION
WHEN HANDLING. PROLONGED STORAGE WITHOUT AGITATION WILL LEAD TO
EVENTUAL SETTLING OF THE SOLIDS FROM THE SLURRY.
Other Precautions:PROTECT FROM FREEZING. UPON THAWING, SLURRY WILL NOT
RETAIN ORIGINAL STABILITY CHARACTERISTICS. THESE PRECAUTIONS ARE
ONLY A DETRIMENT TO HANDLING OF THE MATERIAL. NO HAZARD ENTAILED.

Respiratory Protection:FOR MOST CONDITIONS, NO RESPIRATORY PROTECTION
SHOULD BE NEEDED; HOWEVER, IN MISTY ATMOSPHERES, USE A NIOSH/MSHA
APPROVED MIST RESPIRATOR.
Ventilation:GOOD GENERAL VENTILATION SHOULD BE SUFFICIENT FOR MOST
CONDITIONS.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGS .
Other Protective Equipment:EMERGENCY EYEWASH & DELUGE SHOWER MEETING
ANSI DESIGN CRITERIA .
Work Hygienic Practices:WEAR CLEAN BODY-COVERING CLOTHING.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

Boiling Pt:B.P. Text:214F,101C
Melt/Freeze Pt:M.P/F.P Text:32.0F,0.0C
Spec Gravity:1.461-1.525
Solubility in Water:DISPERSIBLE
Appearance and Odor:WHITE LIQUID (SLURRY), ODORLESS

Stability Indicator/Materials to Avoid:YES
REACTS WITH ACID.
Stability Condition to Avoid:SOLID COMPONENT DECOMPOSES AT
APPROXIMATELY 350C.
Hazardous Decomposition Products:NONE.

Waste Disposal Methods:SMALL AMOUNTS: WASH AWAY WITH WATER. LARGE
AMOUNTS: USE LANDFILL WHEN PERMITTED. COMPLY WITH FEDERAL, STATE,
AND LOCAL REGULATIONS.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.