Product ID:SODIUM HYDROXIDE SOLUTION, HT60-2
MSDS Date:12/13/1995
FSC:6550
NIIN:00N082787
MSDS Number: CGNYX

SIGMA CHEMICAL CO

ST LOUIS, MO 63178
US

Emergency Phone: 800-325-3010; 314-771-5750

Info Phone: 800-325-3010; 314-771-5750

Cage: 21076

SIGMA CHEMICAL COMPANY

14508 ST LOUIS, MO 63178 US

Telephone: 314-771-5765

Cage: 21076

SODIUM HYDROXIDE (CERCLA)

CAS: 1310-73-2

RTECS: WB4900000

OSHA PEL 2 MG/M3

ACGIH TLV: C 2 MG/M3; 9495

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:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: HARMFUL IF SWALLOWED, INHALED,
OR ABSORBED THROUGH SKIN. MATERIAL IS EXTREMELY DESTRUCTIVE TO
TISSUE OF THE MUCOUS MEMBRANES AND UPPER RESPIRATORY TACT, EYES AND
SKIN. INHALATION MAY BE FATAL A S A RESULT OF SPASM. INFLAMMATION
AND EDEMA OF THE LARYNX AND BRONCHI, CHEMICAL PNEUMONITIS AND (EFTS
OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:PULMONARY EDEMA. SYMPTOMS OF EXPOSURE
MAY INCLUDE BURNING SENSATION, COUGHING, WHEEZING, LARYNGITIS,
SHORTNESS OF BREATH, HEADACHE, NAUSEA AND VOMITING. TO THE BEST OF
MFR KNOWLEDGE, THE CHEM ICAL, PHYSICAL, AND TOXICOLOGICAL
PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES/SKIN:IN CASE OF CONTACT, IMMED FLUSH EYES/SKIN W/COPIOUS
AMTS OF H*2O FOR AT LEAST 15 MIN WHILE REMOVING CONTAMD CLTHG &
SHOES. ASSURE ADEQUATE FLUSHING OF THE EYES BY SEPARATING THE
EYELIDS W/FI NGERS. INHAL:REMOVE TO FRESH AIR. IF NOT BRTHG GIVE
ARTF RESP. IF BRTHG IS DFCLT, GIVE OXYGEN. INGEST:WASH OUT MOUTH
W/H*2O PROVIDED PERSON IS CONSCIOUS. CALL MD. WASH CONTAMD CLOTHING
(SUPDAT)

Extinguishing Media:DRY CHEMICAL POWDER.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

Spill Release Procedures:EVACUATE AREA. WEAR SELF-CONTAINED BREATHING
APPARATUS, RUBBER BOOTS AND HEAVY RUBBER GLOVES. ABSORB ON SAND OR
VERMICULITE AND PLACE IN CLOSED CONTAINERS FOR DISPOSAL. VENTILATE
AREA AND WASH SPILL S ITE AFTER MATERIAL PICKUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH-APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS(SUPDAT)
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
ANSI DESIGN CRITERIA . OTHER PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
FIRST AID PROC: BEFORE REUSE. DISCARD CONTAMINATED SHOES. WASTE DISP
METH: MAY GENERATE HEAT AND FUMES WHICH CAN BE CONTROLLED BY THE
RATE OF ADDITION. OBSERVE ALL FEDERAL, STATE AND LOCAL ENVIRONMENT
AL REGULATIONS. EYE PROT: AND FULL LENGTH FACESHIELD .

Appearance and Odor:LIQUID.

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS. ABSORBS CO*2 FROM AIR.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NATURE OF DECOMPOSITION PRODUCTS NOT
KNOWN.

Waste Disposal Methods:FOR SMALL QTIES:CAUTIOUSLY ADD TO A LRG STIRRED
EXCESS OF H*2O. ADJUST PH TO NEUTRAL, SEPARATE ANY INSOLUBLE
SOLIDS/LIQS & PACKAGE THEM FOR HAZ-WASTE DISP. FLUSH AQUEOUS SOLN
DOWN DRAIN W/PLENTY OF H* 2O. THE HYDROLYSIS & NEUTRALIZATION
RXN(SUPDAT)

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