Product ID:LECOSORB, 502-174 502-176
MSDS Date:12/01/1998
FSC:6630
NIIN:00-300-6118
Status Code:A
MSDS Number: CKSGC

LECO CORP

3000 LAKEVIEW AVE
ST JOSEPH, MI 49085
US

Emergency Phone: 616-983-5531

Info Phone: 616-983-5531

Preparer: DUANE OSTENSON

Cage: 94174

LECO CORPORATION

ST JOSEPH, MI 49085-2396 US

Telephone: 616-983-5531

Cage: 94174

SODIUM HYDROXIDE; (SODIUM HYDROXIDE, CAUSTIC SODA) (SARA

CAS: 1310-73-2

RTECS: WB4900000

Fraction By Weight: 99.2%

OSHA PEL 2 MG/M3

ACGIH TLV: NOT AVAILABLE

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

COATED ON SILICATE

CAS: 1318-00-9

OSHA PEL NOT AVAILABLE

ACGIH TLV: NOT AVAILABLE

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: CAUSES SEVERE EYE BURNS. SKIN:
CAUSES SKIN BURNS. MAY CAUSE DEEP PENETRATING ULCERS OF THE SKIN.
INHALATION: IRRITATION MAY LEAD TO CHEMICAL PNEUMONITIS AND
PULMONARY EDEMA. CAUSES SEVERE IR RITATION OF UPPER RESPIRATORY
TRACT WITH COUGHING, BURNS, BREATHING DIFFICULTY AND POSSIBLE COMA.
INGESTION: HARMFUL IF SWALLOWED. CAUSES GASTROINTESTINAL TRACT
BURNS. CAUSES SEVERE PAIN, NAUSEA, V OMITING, DIARRHEA, AND SHOCK.
CHRONIC: PROLONGED OR REPEATED SKIN CONTACT MAY CAUSE DERMATITIS.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:ITCHING, BURNING OF SKIN OR EYES. TEMPORARY
DISCOMFORT OF BREATHING PASSAGES.

First Aid:EYES: IMMEDIATELY FLUSH EYES WITH PLENTY OF WATER FOR AT
LEAST 15 MINUTES, OCCASIONALLY LIFTING THE UPPER AND LOWER LIDS.
GET MEDICAL AID IMMEDIATELY. SKIN: IMMEDIATELY FLUSH SKIN WITH
PLENTY OF SOA P AND WATER FOR AT LEAST 15 MINUTES WHILE REMOVING
CONTAMINATED CLOTHING AND SHOES. DISCARD CONTAMINATED CLOTHING IN
A MANNER WHICH LIMITS FURTHER EXPOSURE. GET MEDICAL ATTENTION
IMMEDIATELY. INHAL ATION: REMOVE TO FRESH AIR IMMEDIATELY. IF NOT
BREATHING, GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT,
GIVE OXYGEN. GET MEDICAL AID. INGESTION: DO NOT INDUCE VOMITING.

Flash Point:NONE
Lower Limits:NONE
Upper Limits:NONE
Extinguishing Media:FOR SMALL FIRES, USE DRY CHEMICAL, CARBON DIOXIDE,
WATER SPRAY OR ALCOHOL RESISTANT FOAM.
Fire Fighting Procedures:WEAR APPROPRIATE PROTECTIVE CLOTHING TO
PREVENT CONTACT WITH SKIN AND EYES. WEAR A SELF-CONTAINED
BREATHING APPARATUS (SCBA) TO PREVENT CONTACT WITH THERMAL
DECOMPOSITION PRODUCTS. USE WITH WATER WI TH CAUTION AND IN
FLOODING AMOUNTS. CONTACT WITH MOISTURE OR WATER MAY GENERATE
SUFFICIENT HEAT TO IGNITE NEARBY.

Spill Release Procedures:VACUUM OR SWEEP UP MATERIAL AND PLACE INTO A
SUITABLE DRY DISPOSAL CONTAINER, OR USE A CAUSTIC SPILL KIT.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:WASH THOROUGHLY AFTER HANDLING. USE
WITH ADEQUATE VENTILATION. DO NOT ALLOW WATER TO GET INTO THE
CONTAINER BECAUSE OF THE POTENTIAL FOR A VIOLENT REACTION. DO NOT
GET IN EYES, ON SKIN, OR ON CLOT HING. DO NOT INGEST OR INHALE.
KEEP CONTAINER CLOSED. STORE IN A COOL, DRY, WELL-VENTILATED AREA.
Other Precautions:GENERATES LARGE AMOUNTS OF HEAT WHEN IN CONTACT W/
WATER, MAY STEAM & SPLATTER. REACTS W/MINERAL ACIDS TO FORM
CORRESPONDING SALTS;REACTS W/WEAK ACID GASES (HYDROGEN SULFIDE,
SULFUR DIOXIDE, CO2). IG NITES WHEN IN CONTACT W/CINNAMELDEHYDE OR
ZINC. REACTS EXPLOSIVELY W/MIXTURE OF CHLOROFORM & METHANE .

Respiratory Protection:NIOSH/MSHA APPROVED MSA DUST FOE 77 OR
RESPIRATOR.
Ventilation:ADEQUATE LOCAL OR GENERAL VENTILATION
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:CHEMICAL GOGGLES, FACE SHIELD, SAFETY GLASSES
Other Protective Equipment:COVERALLS, CHEMICALLY RESISTANT SHOES.
Work Hygienic Practices:WASH CONTAMINATED CLOTHES.
Supplemental Safety and Health
DANGER! CORROSIVE. HYGROSCOPIC. CAUSES DIGESTIVE AND RESPIRATORY
TRACT BURNS. CAUSES SEVERE EYE AND SKIN BURNS.

HCC:C2
Boiling Pt:=1387.8C, 2530.F
Melt/Freeze Pt:=318.C, 604.4F
Vapor Pres:100 MM HG
Spec Gravity:2.13 @ 68 DEG F
Solubility in Water:COMPLETELY SOLUBLE
Appearance and Odor:LIGHT GREEN; NO ODOR.

Stability Indicator/Materials to Avoid:YES
WATER, MINERAL ACIDS, WEAK ACID GASES (HYDROGEN SULFIDE, SULFUR
DIOXIDE, & CO2), CINNNAMELDEHYDE, ZINC, MIXTURE OF CHLOROFORM &
METHANE, METALS (ALUMINUM, TIN, & ZINC), ALLOYS (STEEL)
Stability Condition to Avoid:CONTACT WITH METALS SUCH AS ALUMINUM, TIN
& ZINC (CORROSIVE) AS WELL AS ALLOYS SUCH AS STEEL WHICH MAY CAUSE
FORMATION OF FLAMMABLE HYDROGEN GAS.
Hazardous Decomposition Products:TOXIC FUMES OF SODIUM OXIDE, SODIUM
PEROXIDE FUMES.

Waste Disposal Methods:APPROPRIATE DISPOSAL SHOULD CONFORM W/LOCAL,
STATE & FEDERAL HEALTH REGULATIONS.

Toxicological Information:NONE REPORTED.

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.

Ecological:TLM, MOSQUITO FISH, 125 PPM/96HR, (FRESH WATER);TLM,
BLUEGILL, 99MG/48/HR (TAP WATER). THIS CHEMICAL IS NOT MOBILE IN
SOLID FORM, ALTHOUGH IT ABSORBS MOISTURE VERY EASILY. ONCE LIQUID,
SODIUM HYDROX IDE LEACHES RAPIDLY INTO THE SOIL, POSSIBLY
CONTAMINATING WATER SOURCES.

Transport Information:U.S.A. DOT: CAUSTIC SODA (DRY), CORROSIVE, HAZARD
CLASS 8, UN 1823, IMCO CLASS 8, PAGE 8225. MARINE POLLUTANT: NO

SARA Title III Information:SECTIONS 311/312 HAZARDOUS CATEGORIES:
ACUTE, REACTIVE.
Federal Regulatory Information:TSCA STATUS: ON TOXIC SUBSTANCE CONTROL
INVENTORY. CERCLA REPORTABLE QUANTITY: 1000 LBS. RCRA STATUS: NOT
REGULATED. SODIUM HYDROXIDE IS LISTED AS A HAZARDOUS SUBSTANCE
UNDER THE CLEAN WATER ACT.
State Regulatory Information:CANADIAN REGULATIONS: WHMIS: E