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MSDS  : METHANESULFONIC ACID, 99%, M860-6
CAS  : 75-75-2
NAME  : methanesulfonic acid
===================== Product Identification =====================

MSDS NAME:METHANESULFONIC ACID, 99%, M860-6
NIIN:00N037205
MSDS Number: BQRRQ
=== Responsible Party ===
Company:ALDRICH CHEMICAL CO
Box:355
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info Phone Num:414-273-3850
Emergency Phone Num:414-273-3850
CAGE:60928
=== Contractor Identification ===
Company:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928

============= Composition/Information on Ingredients =============

Name:METHANESULFONIC ACID
CAS:75-75-2
RTECS #:PB1140000
Fraction by Wt: 99%

===================== Hazards Identification =====================

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE:HARMFUL IF SWALLOWED, INHALED OR
ABSORBED THROUGH SKIN. CAUSES BURNS. MATERIAL IS EXTREMELY
DESTRUCTIVE TO TISSUE OF THE MUCOUS MEMBRANES AND UPPER RESPIRATORY
TRACT, EYES AND SKIN. INHALATION M AY BE FATAL AS A RESULT OF
SPASM, INFLAMMATION & EDEMA OF THE LARYNX & BRONCHI, CHEMICAL (EFTS
OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:PNEUMONITIS & PULMONARY EDEMA.
SYMPTOMS OF EXPOSURE MAY INCLUDE BURNING SENSATION, COUGHING,
WHEEZING, LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA AND
VOMITING. THE CHEMIAL, PHYSICAL AN D TOXICOLOGICAL PROPERTIES HAVE
NOT BEEN THOROUGHLY INVESTIGATED.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

======================= First Aid Measures =======================

First Aid:EYE:IMMED FLUSH W/PLENTY OF WATER FOR AT LEAST 15 MINS.
ASSURE ADEQ FLUSHING BY SEPARATING EYELIDS W/FINGERS. SKIN:IMMED
FLUSH W/COPIOUS AMOUNTS OF WATER FOR AT LEAST 15 MINUTES WHILE
REMOVING CONTAM CLTHG & SHOES. DISCARD CONTAM CLTHG & SHOES.
INHAL:MOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL RESP. IF
BRTHG DFCLT GIVE OXYGEN. INGEST:WASH OUT MOUTH W/WATER IF PERS
CONSCIOUS. CALL MD.

===================== Fire Fighting Measures =====================

Flash Point:>230F,>110C
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER OR
APPROPRIATE FOAM.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

================== Accidental Release Measures ==================

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH/MSHA APPROVED SCBA,
RUBBER BOOTS AND HEAVY RUBBER GLOVES. COVER WITH DRY LIME OR SODA
ASH. PICK UP, KEEP IN CLOSED CONTAINER AND HOLD FOR WASTE DISP.
VENT AREA AND WASH SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

====================== Handling and Storage ======================

Handling and Storage Precautions:STORE IN A COOL DRY PLACE. KEEP
TIGHTLY CLOSED.
Other Precautions:AVOID PROLONGED OR REPEATED CONTACT WITH SKIN. DO NOT
BREATHE VAPOR. DO NOT GET IN EYES, ON SKIN, OR ON CLOTHING.
CORROSIVE. CAUSES BURNS.

============= Exposure Controls/Personal Protection =============

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL RESISTANT GLOVES.
Eye Protection:CHEM WORK GOG & FULL LENGTH FSHLD
Other Protective Equipment:SAFETY SHOWER AND EYE BATH. PROTECTIVE
CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. IMMEDIATELY
TAKE OFF ALL CONTAMINATED CLOTHING.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

================== Physical/Chemical Properties ==================

HCC:C1
Boiling Pt:B.P. Text:333F,167C
Vapor Pres:1 @ 20C
Vapor Density:3.3
Spec Gravity:1.481
Appearance and Odor:COLORLESS VISCOUS LIQUID OR SOLID

================= Stability and Reactivity Data =================

Stability Indicator/Materials to Avoid:YES
BASES, AMINES, STRONG REDUCING AGENTS, CORRODES STEEL.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:TOXIC FUMES OF CARBON MONOXIDE, CARBON
DIOXIDE, SULFUR OXIDE.

==================== Disposal Considerations ====================

Waste Disposal Methods:MATL SHOULD BE IGNIT IN PRESENCE OF SODIUM
BICARBONATE/SLAKED LIME(CALCIUM HYDROXIDE). SUBS SHOULD BE MIXED
W/VERMICULITE/THEN W/DRY CAUSTICS, WRAPPED IN PAPER/BURNED IN CHEM
INCIN W/AFTERBURNER/SCRUB BER. DISP MUST BE I/A/W LOC, STATE/FED
REGS.

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.

*** END OF RECORD ***
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