Product ID:210-5, SODIUM HYDROXIDE SOLUTIONS
MSDS Date:01/27/1992
FSC:6810
NIIN:00N028482
MSDS Number: BMXZC

SIGMA CHEMICAL CO

SAINT LOUIS, MO 63178
US

Emergency Phone: 314-771-5765

Info Phone: 800-325-3010

Cage: 0DK69

SIGMA CHEMICAL CO SIGMA DIAGNOSTICS DIV

ST LOUIS, MO 63103-2530 US

Telephone: 314-771-5765

Cage: 0DK69

<18 @ 20C; 3 @ 37C

CAS: 1310-73-2

RTECS: WB4900000

OSHA PEL 2 MG/M3

ACGIH TLV: C 2 MG/M3; 9293

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

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:ACUTE:HARMFUL IF
SWALLOWED/INHALED/ABSORBED THRU SKIN. MATL IS EXTREMELY DESTRUCT TO
TISS OF MUC MEMB/UPPER RESP TRACT/EYES/SKIN. INHAL MAY BE FATAL AS
A RSLT OF SPASM/INFLAM & EDEMA OF LARYNX & BRONC HI/CHEM
PNEUMIT/PULM EDEMA. TO BEST OF OUR KNOWLEDGE CHEM, PHYSICAL & TOX
PROPERTIES HAVE NOT BEEN THORO INVESTIGATED.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:SYMPTOMS OF EXPOSURE MAY INCLUDE BURNING
SENSATION, COUGHING, WHEEZING, LARYNGITIS, SHORTNESS OF BREATH,
HEADACHE, NAUSEA & VOMITING.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYE/SKIN:IMMED FLUSH EYES/SKIN W/COPIOUS AMTS OF WATER FOR AT
LEAST 15 MINS WHILE REMOVING CONTAMD CLTHG/SHOES. ASSURE ADEQ
FLUSHING BY SEPARATING EYELIDS W/FINGERS. INHAL:REMOVE TO FRESH
AIR. IF NOT BRTHG, GIVE ARTF RESP. IF BRTHG IS DFCLT, GIVE O*2.
INGEST:IF SWALLOWED, WASH OUT MOUTH W/WATER PROVIDED PERS IS
CONSCIOUS. CALL MD. WASH CONTAMD CLTHG BEFORE REUSE. DISCARD
CONTAMD SHOES.

Flash Point:NONE
Extinguishing Media:DRY CHEMICAL POWDER.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH/MSHA APPROVED SCBA,
RUBBER BOOTS & HEAVY RUBBER GLOVES. ABSORB ON SAND/VERMICULITE &
PLACE IN CLOSED CONTAINERS FOR DISPOSAL. VENTILATE AREA & WASH
SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE. KEEP
TIGHTLY CLOSED. DO NOT BREATHE VAPOR. DO NOT GET IN EYES, ON SKIN
OR ON CLOTHING. AVOID PROLONGED/REPEATED EXPOSURE.
Other Precautions:CORROSIVE. TOXIC. CAUSES BURNS. HARMFUL BY
INHALATION, IN CONTACT W/SKIN & IF SWALLOWED. TAKE OFF IMMEDIATELY
ALL CONTAMINATED CLOTHING. WEAR SUITABLE PROTECTIVE CLOTHING,
GLOVES & EYE/FACE 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 GOGG & FULL LNGTH FSHLD
Other Protective Equipment:SAFETY SHOWER & EYE BATH. OTHER PROTECTIVE
CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
WASTE DISP METH:WHICH CAN BE CONTROLLED BY THE RATE OF ADDITION.
DISPOSAL MUST BE IN ACCORDANCE WITH FEDERAL, STATE & LOCAL
REGULATIONS . REACTION WITH CERTAIN METALS MAY RELEASE FLAMMABLE
HYDRO GEN GAS .

Vapor Pres:SEE INGRED
Vapor Density:>1
Spec Gravity:1.000
Appearance and Odor:CLEAR COLORLESS LIQUID.

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NATURE OF DECOMPOSITION PRODUCTS NOT
KNOWN.

Waste Disposal Methods:SMALL QTY:CAUTIOUSLY ADD TO A LGE STIRRED EXCESS
OF WATER. ADJUST PH TO NEUT. SEPARATE ANY INSOL SOLIDS/LIQS &
PACKAGE THEM FOR HAZ WASTE DISP. FLUSH AQ SOLN DOWN DRAIN W/PLENTY
OF WATER. THE HYDROLYS IS & NEUT RXNS MAY GENERATE HEAT/FUMES (SUPP
DATA)

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.