Product ID:CAUSTIC SODA SOLUTION, CPE00261#
MSDS Date:09/04/1997
FSC:NIIN:Submitter:N EN
Status Code:A
MSDS Number: CKXNG

OLIN CORPORATION

501 MERRITT 7
NORWALK, CT 06856-4500
US

Emergency Phone: 800-654-6911

Info Phone: 800-511-6737

Preparer: OLIN MSDS CONTROL GROUP

Cage: 99530

OLIN CORPORATION

4500 NORWALK, CT 06856-4500 US

Telephone: 203-750-3000/800-511-MSDS

Cage: 99530

SODIUM HYDROXIDE

CAS: 1310-73-2

RTECS: WB4900000

OSHA PEL 2 MG/M3

ACGIH TLV: NONE

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

WATER

CAS: 7732-18-5

RTECS: ZC0110000

OSHA PEL NONE ESTABLISHED.

ACGIH TLV: NONE ESTABLISHED.

LD50 LC50 Mixture:ORAL, RAT: BELIEVED TO BE 300-500 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:HARMFUL IF SWALLOWED. CAUSES SKIN,
EYE, DIGESTIVE TRACT & RESPIRATORY TRACT BURNS. ACUTE: INHALATION:
IRRIT TO NOSE, MOUTH, THROAT & LUNGS. MAY ALSO CAUSE BURNS TO
RESPIRATORY TRACT WHICH CAN RESULT I N SHORTNESS OF BREATH,
WHEEZING, CHOKING, CHEST PAIN, & IMPAIRMENT OF LUNG FUNCTION. INHAL
OF HIGH CONCENTRATIONS CAN RESULT IN PERMANENT LUNG DAMAGE.
CHRONIC: MAY CAUSE IMPAIRMENT OF LUNG FUNCTION & PERMANENT LUNG
DAMAGE. SKIN: CAN CAUSE SEVERE IRRITATION &/0R BURNS CHARACTERIZED
BY REDNESS, SWELLING & SCAB FORMATION. PROLONGED SKIN EXPOSURE MAY
CAUSE PERMANENT DAMAGE. EYE: SEVERE IRRIT &/OR BURN S CAN OCCUR
FOLLOWING (SIGNS & SYMPTOMS)
Explanation of Carcinogenicity:THIS PRODUCT IS NOT KNOWN OR REPORTED TO
BE CARCINOGENIC BY ANY REFERENCE SOURCE INCLUDING IARC, OSHA, NTP,
OR EPA.
Effects of Overexposure:HEALTH HAZARD (CONT'D): EYE EXPOSURE. DIRECT
CONTACT MAY CAUSE IMPAIRMENT OF VISION AND CORNEAL DAMAGE.
INGESTION: IRRITATION AND/OR BURNS CAN OCCUR TO ENTIRE
GASTROINTESTINAL TRACT, INCLUDING STOMAC H & INTESTINES,
CHARACTERIZED BY NAUSEA, VOMITING, DIARRHEA, ABDOMINAL PAIN,
BLEEDING AND/0R TISSUE ULCERATION. INGESTION CAUSES SEVERE DAMAGE
TO THE GASTROINTESTINAL TRACT WITH THE POTENTIAL TO CAUSE
PERFORATION. CHRONIC: THERE ARE NO KNOWN OR REPORTED EFFECTS FROM
CHRONIC EXPOSURE. CHRONIC INGESTION OF SIGNIFICANT AMOUNTS OF THIS
PRODUCT IS UNLIKELY BECAUSE OF ITS ACUTE CORROSIVE ACTION.
Medical Cond Aggravated by Exposure:ASTHMA, RESPIRATORY AND
CARDIOVASCULAR DISEASE.

First Aid:EYES: IMMED FLUSH W/LG AMTS OF WATER FOR AT LEAST 15 MINS,
OCCASNLY LIFTING UPPER & LOWER EYELIDS. CALL MD AT ONCE. SKIN:
IMMED FLUSH W/WATER FOR AT LEAST 15 MINS. CALL MD. IF CLTHG COMES
IN CONT W/PR OD, REMOVE IMMED. INGEST: IMMED DRINK LG QTYS OF
WATER. DO NOT INDUCE VOMIT. CALL MD AT ONCE. DO NOT GIVE ANYTHING
BY MOUTH IF UNCONSCIOUS OR IF HAVING CONVULSIONS. INHAL: IF NAUSEA,
HEADACHE OR DIZZI NESS, STOP WORK IMMED & MOVE TO FRESH AIR UNTIL
SYMPTOMS DISAPPEAR. IF BREATHING DIFFICULT, ADMIN OXYG; KEEP PERSON
WARM & AT REST. CALL MD. IF PERSON INHALES ENOUGH VAPOR TO LOSE
CONSCIOUSNESS, MOVE TO (RESPIRATORY PROTECTION)

Flash Point:N/APPLICABLE.
Autoignition Temp:Autoignition Temp Text:N/AP.
Lower Limits:N/APPLICABLE
Upper Limits:N/APPLICABLE
Extinguishing Media:ON SMALL FIRES: USE DRY CHEMICAL, CARBON DIOXIDE,
WATER SPRAY, OR FOAM. ON LARGE FIRES: USE WATER FLOODING QUANTITIES
AS A FOG. FLAMMABLE: NO. COMBUSTIBLE: NO. PYROPHORIC: NO.
Fire Fighting Procedures:USE NORMAL FIRE FIGHTING EQUIPMENT INCLUDING
NIOSH APPROVED SELF CONTAINED BREATHING APPARATUS. USE WATER TO
COOL CONTAINERS EXPOSED TO FIRE. CONTACT WITH REACTIVE METALS,
E.G., ALUMINUM MAY RESULT IN THE GENERATION OF FLAMMABLE HYDROGEN
GAS. SODIUM HYDROXIDE MAY REACT WITH WATER.
Unusual Fire/Explosion Hazard:N/P. A HAZARDOUS PHYSICAL CHARACTERISTIC
OF THIS PRODUCT IS: CORROSIVE.

Spill Release Procedures:REPORTABLE QTY PER 40 CFR 302.4: 1000 LBS. HAZ
CONCS IN AIR MAY BE FOUND IN LOCAL SPILL AREA IN FORM OF A MIST
WHICH MAY CAUSE SKIN IRRIT & BRTHG PROBLEMS. STOP SOURCE OF SPILL
ASAP, IF SAFE TO DO. AI R RELEASE: NORMALLY FOUND IN MIST FORM &
EVAC FROM MIST AREA IS ONLY ADVISABLE APPROACH. CORRECTION OF
SOURCE OF MIST IS OF UTMOST IMPORTANCE. WATER RELEASE: MATL IS
HEAVIER THAN AND (ECOLOGICAL)
Neutralizing Agent:MATERIAL MAY BE NEUTRALIZED FOR DISPOSAL; CONTACT
OCEAN AT 1-800-654-6911 BEFORE BEGINNING ANY SUCH OPERATION.

Handling and Storage Precautions:DO NOT TAKE INTERNALLY. AVOID CONTACT
W/SKIN, EYES & CLOTHING. UPON CONTACT W/SKIN OR EYES, WASH OFF
W/WATER. DO NOT STORE AT TEMPS ABOVE: 130 C (266 F). SHELF LIFE
LIMITS: INDEFINITE IF IN CLOSED CON TAINER. INCOMPATIBLE MATERIALS
FOR PACKAGING: ALUMINUM, ZINC, TIN, WOOD, PAPER. (OTHER
PRECAUTIONS)
Other Precautions:HNDLNG/STOR (CONT'D): INCOMPATIBLE MATERIALS FOR
STORAGE OR TRANSPORT: ACIDS, NITROGEN CONTAINING ORGANICS,
PHOSPHORUS, EXPLOSIVES, ORGANIC PEROXIDES, ALUMINUM, ZINC, TIN,
HALOGENATED HYDROCARBONS.

Respiratory Protection:RESPIRATORY PROTECTION NOT NORMALLY NEEDED. IF
VAPORS, MISTS, OR AEROSOLS ARE GENERATED, WEAR NIOSH APPROVED
DUST/MIST HEPA FILTER RESPIRATOR. FIRST AID (CONT'D): FRESH AIR AT
ONCE & CALL MD IMMED. IF BREATHING STOPPED, ARTIFICIAL RESPIRATION
SHOULD BE GIVEN IMMED. IN ALL CASES, ENSURE ADEQUATE VENTILATION &
PROVIDE RESP PROTBEFORE PERSON RETURNS TO WORK.
Ventilation:USE LOCAL EXHAUST VENTILATION TO MAINTAIN LEVELS TO BELOW
THE TLV.
Protective Gloves:NEOPRENE GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL SAFETY GOGGLES WITH FACE SHIELD.
Other Protective Equipment:NEOPRENE BOOTS, APRON OR IMPERMEABLE SUIT TO
AVOID SKIN CONTACT. SAFETY SHOWERS AND EYEWASHES MEETING ANSI
DESIGN CRITERIA MUST BE AVAILABLE IN THE IMMEDIATE AREA WHEN
HANDLING PRODUCT.
Work Hygienic Practices:IF CLOTHING COMES IN CONTACT WITH THE PRODUCT,
IT SHOULD BE LAUNDERED BEFORE RE-USE.
Supplemental Safety and Health
PHYSICAL/CHEMICAL PROPERTIES (CONT'D): MOLECULAR WEIGHT: 40.01 (ACTIVE
AGENT). COEFFICIENT OF OIL/WATER DISTRIBUTION: NO DATA. BULK
DENSITY: N/A. SYNONYMS: SODIUM HYDROXIDE, CAUSTIC, ALKALI, CAUSTIC
L YE. CHEMICAL FAMILY: ALKALI, BASE. FORMULA: NAOH (ACTIVE
INGREDIENT). DESCRIPTION: NEUTRALIZING AGENT, SODIUM SOURCE.

Boiling Pt:=130.C, 266.F
B.P. Text:130-140C;266-284F.
Melt/Freeze Pt:=10.C, 50.F
M.P/F.P Text:FREEZE: 10-12 C.
Decomp Temp:Decomp Text:NONE.
Vapor Pres:@ 25C: APPROX = TO WATER.
Vapor Density:NO DATA.
Spec Gravity:1.482 - 1.53
pH:13 (0.5% SOL)
Evaporation Rate & Reference:NO DATA.
Solubility in Water:MISCIBLE.
Appearance and Odor:CLEAR, VISCOUS LIQUID. NO ODOR.
Percent Volatiles by Volume:45 - 55.

Stability Indicator/Materials to Avoid:YES
ACIDS, NITROGEN CONTAINING ORGANICS, EXPLOSIVES, CARBOHYDRATES,
PHOSPHOROUS, ORGANIC PEROXIDES, HALOGENATED HYDROCARBONS.
Stability Condition to Avoid:DILUTION WITH WATER EXCEPT UNDER
CONTROLLED CONDITIONS. VERY HIGH HEAT OF DILUTION WILL CAUSE
BOILING AND SPATTERING. CONTACT WITH CARBOHYDRATES, ALUMINUM, (HAZ
DECOMP PROD)
Hazardous Decomposition Products:NONE. CONDITIONS TO AVOID (CONT'D):
ZINC, TIN. TEMPERATURES ABOVE: NONE. MECHANICAL SHOCK OR IMPACT:
NO. ELECTRICAL (STATIC) DISCHARGE: NO.
Conditions to Avoid Polymerization:WILL NOT OCCUR. REACTIVITY SUMMARY:
OXIDIZER: NO. PYROPHORIC: NO. ORGANIC PEROXIDE: NO. WATER REACTIVE:
NO. CORROSIVE: YES.

Waste Disposal Methods:AS A LIQUID WASTE, PROD MUST BE DISPOSED OF IAW
LOCAL, STATE & FED REGS IN A PERMITTED HAZARDOUS WASTE TREATMENT,
STORAGE AND DISPOSAL FACILITY BY TREATMENT. CARE MUST BE TAKEN TO
PREVENT ENVIRONMENT AL CONTAMINATION FROM THE USE OF THIS MATERIAL.
THE USER OF THIS MATERIAL HAS THE RESPONSIBILITY TO DISPOSE OF
UNUSED MATL, RESIDUES & (STATE REGS)

Toxicological Information:ODOR THRESHOLD: NO DATA. IRRITATION
THRESHOLD: NO DATA. IMMEDIATELY DANGEROUS TO LIFE OR HEALTH: IDLH
LEVEL FOR SODIUM HYDROXIDE IS 10 MG/CUBIC METER. ANIMAL TOX: ACUTE
TOX: INHAL LC 50: NO DATA. ORA L LD 50: BELIEVED TO BE 300 - 500
MG/KG (RAT); HARMFUL IF SWALLOWED. DERMAL LD 50: BELIEVED TO BE > 2
G/KG (RABBIT). IRRIT: CAUSES BURNS TO EYES & SKIN. ACUTE TARGET
ORGAN TOX: PROD IS CORR TO ALL TIS S CONTACTED & UPON INHAL, MAY
CAUSE IRRIT TO MUC MEMB & RESP TRACT. CHRONIC TARGET ORGAN TOX: NO
KNOWN OR REPORTED EFFECTS FROM REPEATED (SARA)

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:AQUATIC TOX: CAUSTIC SODA IS NOT LETHAL TO FULLY DEVELOPED
FISH IN NATURAL FRESH WATERS UNTIL PH BECOMES GREATER THAN 9.0:
LETHAL PH FOR GOLDFISH: 10.9. LETHAL PH FOR BLUEGILL SUNFISH: 10.5.
GAMBUSIA AFFINIS (MOSQUITO FISH), 96 HR. LC50: 125 MG/L. BLUEGILL,
48 HR LC50: 99 MG/L. SPILL (CONT'D): IS SOLUBLE IN WATER. MATL IS
SUBJECT TO EMULSIFICATION & MUST BE REMOVED VIA VACUUM SYSTEM OR
NEUTRALIZED & ABSORBED AS NECESSARY, W/VARIOUS COMMERCIAL
ABSORBENTS WHICH ARE AVAIL. NOTIFY ALL DOWNSTREAM INDUSTRIAL,
MUNICIPAL & PUBLIC OPERATIONS OF SPILL & ADVISE TO MONITOR UNTIL
OTHERWISE NOTIFIED. LAND SPILL: DIKE OR DIVERT FLOW (OTHER INFO)

Transport Information:THIS MATERIAL IS REGULATED AS DOT HAZ MATL. DOT
DESCRIPTION FROM HAZ MATL TABLE 49 CFR 172.101: LAND: (US DOT):
SODIUM HYDROXIDE SOLUTION, 8, UN1824, PG II. WATER (IMO): SAME AS
LAND. AIR (IATA/ICAO): SAME AS LAND. HAZARD LABEL/PLACARD:
CORROSIVE. REPORTABLE QTY: 1000 LBS. (PER 49 CFR 172.101,
APPENDIX). EMERGENCY GUIDE #: 60. FOR ALL TRANSPORTATION ACCIDENTS,
CALL CHEMTREC: 800-424-9300.

SARA Title III Information:SUPERFUND AMENDMENTS & REAUTHORIZATION ACT
TITLE III: HAZARD CATEGORIES, PER 40 CFR 370.2: HEALTH: IMMEDIATE
(ACUTE). PHYSICAL: NONE. TOXICOLOGICAL INFO (CONT'D): EXPOSURE
EXCEPT THOSE SECONDARY TO BU RNS. REPRODUCTIVE & DEVELOPMENTAL TOX:
NO KNOWN REPORTED EFFECTS ON REPROD FUNCTION OR FETAL DEVELOPMENT
FROM EXPOS TO PROD. CARCINOGENICITY: INGEST OF MASSIVE DOSES OF
SODIUM HYDROXIDE HAS LED TO DEV ELOPMENT OF TUMORS OF ESOPHAGUS.
RELEVANCE OF FINDINGS TO CANCER IS UNKNOWN DUE TO REPEATED TISSUE
DESTRUCTION & SCAR FORMATION AS RESULT OF CORROSIVE NATURE OF
SODIUM HYDROXIDE. MUTAGENICITY: SODIUM HYDROXIDE HAS BEEN TESTED
(STATE REGS)
Federal Regulatory Information:TSCA: SUBSTANCE IS LISTED ON TOXIC
SUBSTANCES CONTROL ACT INVENTORY . NSF LIMITS: NSF MAXIMUM DRINKING
USE CONCENTRATION - 100 MG/L. IF PROD BECOMES A WASTE, IT MEETS THE
CRITERIA OF A HAZ WASTE AS DE FINED UNDER 40 CFR 261 & WOULD HAVE
EPA HAZ WASTE NUMBER: D002. IF PROD BECOMES A WASTE, IT WILL BE A
HAZ WASTE WHICH IS SUBJECT TO LAND DISPOSAL RESTRICTIONS UNDER 40
CFR 268 & MUST BE MANAGED ACCORD INGLY. EMERGENCY PLANNING &
COMMUNITY RIGHT TO KNOW, PER 40 CFR 355, APP. A: EXTREMELY
HAZARDOUS SUB STANCE - THRESHOLD PLANNING QTY: NOT ESTABLISHED.
OSHA CLASSIFICATION: CORROSIVE, EYE & SKIN HAZARD, LUNG TOXIN.
(OTHER INFORMATION)
State Regulatory Information:N/P. SARA (CONT'D): & WAS FOUND TO BE
NON-MUTAGENIC IN THE AMES ASSAY, A BACTERIAL DNA-REPAIR TEST & IN
THE SYRIAN HAMSTER EMBRYO (SA7/SHE) CELL TRANSFORMATION ASSAY.
INTERACTIONS WITH OTHER CHEMICALS WHICH ENHANCE TOXICITY: THERE
ARE NO CHEMICALS KNOWN TO ENHANCE THE TOXICITY OF THE PRODUCT.
WASTE DISPOSAL (CONT'D): AND CONTAINERS IN COMPLIANCE WITH ALL
RELEVANT LOCAL, STATE AND FEDERAL LAWS AND REGULATIONS REGARDING
TREATMENT, STORAGE AND DISPOSAL FOR HAZARDOUS AND NONHAZARDOUS
WASTES.