Product ID:WT-42, 0685
MSDS Date:04/22/1997
FSC:6850
NIIN:00N092060
Status Code:A
MSDS Number: CJLQD

CERTIFIED LABS; DIV OF NCH CORP

IRVING, TX 75015
US

Emergency Phone: 972-438-1381

Info Phone: 972-438-1381

Preparer: R STOLLEY

Cage: 53417

CERTIFIED LABS DIV OF NCH CORP

152170 IRVING, TX 75015 US

Telephone: 214-438-1381972-438-1381

Cage: 53417

(ORAL,RAT) 85 MG/M3

CAS: 7632-00-0

RTECS: RA1225000

EPA Report Quantity: 100 LBS

DOT Report Quantity: 100 LBS

SODIUM HYDROXIDE

CAS: 1310-73-2

RTECS: WB4900000

OSHA PEL 2 MG/M3

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

NON-HAZARDOUS INGREDIENT NAMES AND CAS NUMBERS ARE

LD50 LC50 Mixture:LD50: (ORAL,RAT) 85 MG/M3
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: EYES: CAUSES BURNS, MAY CAUSE
REDNESS, TEARING & CORNEAL DMG. SKIN: CAUSES BURNS. MAY CAUSE
REDNESS, ITCHING, DERM & LOSS OF SKIN. PRLNGD SKIN CONT MAY CAUSE
TEMPORARY YELLOWING OF SKIN & POSSI BLY SENSITIZATION. INGEST:
CAUSE BURNS OF MOUTH, THROAT, STOM & DEEP TISS. MAY CAUSE FLUSHED
FACE. UNEVEN HEART ACTION, DIZZ, TREMORS & NAUS. INGEST OF
EXTREMELY LG AMTS MAY LEAD TO CONVERSION OF HEMO GLOBIN TO
METHEMGLOBIN PRDCG CYANOSIS, MARKED DECR IN BLOOD PRESS LEADING TO
COLLAPSE, COMA & POSS DEATH. INHAL: INHAL OF MISTS CAUSES BURNS TO
MUC MEMB, MAY CAUSE SHORTNESS OF BREATH (EFTS OF OVEREXP )
Effects of Overexposure:HLTH HAZ: & COUGH. MAY BE ABSORBED THROUGH
LUNGS, PRDCG EFTS SIMILAR TO INGEST. CHRONIC: UNDER CERTAIN CNDTNS,
NITRITES MAY REACT W/SECONDARY AMINES TO FORM CARCINOGENIC
NITROSAMINES. TARGET ORGANS: C ENTRAL NERVOUS SYSTEM, RESPIRATORY
SYSTEM, EYES, HEART, AND BLOOD-FORMING ORGANS.
Medical Cond Aggravated by Exposure:BONE MARROW, CARDIOVASCULAR OR SKIN
DISEASES.

First Aid:INHAL: REMOVE TO FRESH AIR. IF NOT BRTHG, CLEAR AIRWAY &
START MOUTH TO MOUTH ARTF RESP. GET IMMED MED ATTN. EYE CONT: IMMED
RINSE W/WATER. REMOVE ANY CONT LENSES. HOLD EYELIDS APART TO ENSURE
RINSING OF ENTIRE SURF OF EYES & LIDS W/WATER. CONTINUE FLUSHING
FOR @ LST 15 MINS. GET IMMED MED ATTN. SKIN CONT: WASH W/LG AMTS OF
SOAP & WATER FOR 15 MINS. REMOVE CONTAMD CLTHG & SHOES. GET IMMED
MED ATTN . WASH CLTHG & CLEAN SHOES BEFORE REUSE. INGEST: GIVE 3-4
GLASSES OF WATER, BUT DO NOT INDUCE VOMIT. IF VOMIT OCCURS, GIVE
FLUIDS AGAIN. GET IMMED MED ATTN. DO NOT GIVE ANYTHING BY (SUPDAT)

Flash Point:NON FLAM
Extinguishing Media:FOAM, "ALCOHOL" FOAM, CO*2, DRY CHEMICAL, WATER
SPRAY.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
EQUIPMENT . USE EXTINGUISHING MEDIA SUITABLE FOR SURROUNDING FIRE.
Unusual Fire/Explosion Hazard:DRIED FILM OF THIS MATERIAL IS CONSIDERED
AN OXIDIZING AGENT AND CAN SUPPLY OXYGEN TO STIMULATE OR ACCELERATE
COMBUSTION OF ORGANIC OR OTHER COMBUSTIBLE MATERIALS. MATERIAL MAY
EXPLODE AT TEMPERATURES >1000F.

Spill Release Procedures:DIKE & CONTAIN SPILL. ABSORB WITH INERT
MATERIAL & SWEEP, SCOOP OR SHOVEL MATERIAL INTO A PROPERLY LABELED
CONTAINER FOR DISPOSAL. SPILLED MATERIAL MAY BE SLIPPERY. WEAR
APPROPRIATE PROTECTIVE CLOTHIN G.
Neutralizing Agent:DILUTE INORGANIC ACIDS SUCH AS HYDROCHLORIC ACID
WILL NEUTRALIZE. ADD CAUTIOUSLY WHILE MIXING.

Handling and Storage Precautions:STOR TEMP: INDOOR: MAX: 120F. MIN:
35F. KEEP CNTNR CLSD WHEN NOT IN USE. STORE AT MOD TEMP. KEEP OUT
OF REACH OF CHILDREN. READ ENTIRE LBL BEFORE USING PROD. EMPTY
CNTNRS RETAIN PROD RESIDUE, OBSERVE ALL PRECS.
Other Precautions:IF US (USE EXEMPTION) APPEARS UNDER UPPER % LIMIT,
END USERS ARE EXEMPT FROM NOTIFICATION BECAUSE PROD US USED & LBLD
FOR ROUTINE JANITORIAL WORK/PROD IS USED & LBLD FOR FACILITY
GROUNDS MAINTENANCE ( SUCH AS FERTILIZERS & HERBICIDES), OR PROD IS
USED & LBLD FOR MAINTAINING MOTOR VEHICLES.

Respiratory Protection:USE NIOSH APPROVED MASK IF MISTING IS LIKELY.
Ventilation:MECHANICAL (GENERAL) VENTILATION IS USUALLY ADEQUATE.
Protective Gloves:NEOPRENE GLOVES SHOULD BE WORN.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER .
APRON AND RUBBER BOOTS SHOULD BE WORN DEPENDING ON SEVERITY OF
EXPOSURE.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
FIRST AID PROC: MOUTH TO UNCON/CONVLG PERSON. NOTES TO PHYS:
INTRODUCTION INTO BODY MAY LEAD TO FORMATION OF METHEMOGLOBIN WHICH
CAN CAUSE CYANOSIS. SINCE REVERSION OF METHEMOGLOBIN TO HEMOGLOBIN
OCCU RS SPONT AFTER TERMINATION OF EXPOS, MOD DEGREES OF CYANOSIS,
SHOULD BE TREATED BY SUPPORTIVE MEASURES. (OTHER INFO)

Boiling Pt:=100.C, 212.F
Vapor Pres:17.5 (MM HG)
Vapor Density:0.6
Spec Gravity:1.060 (H*2O =1)
pH:12.8 @ 100%
Viscosity:NON-VISCOUS
Evaporation Rate & Reference:0.1 (BU A/C = 1)
Solubility in Water:COMPLETE
Appearance and Odor:TRANSPARENT PALE YELLOW, AMMONIACAL ODOR.
Percent Volatiles by Volume:90

Stability Indicator/Materials to Avoid:YES
ACIDS, AMMONIA SALTS, REDUCING AGENTS, ZINC, ALUMINUM, THIOCYANATES,
AMIDES, MAGNESIUM, BUTADIENE AND PHTHALIC ACIDS.
Stability Condition to Avoid:AVOID TEMPERATURES ABOVE 350F.
Hazardous Decomposition Products:OXIDES OF NITROGEN, CARBON AND SODIUM.
CAUSTIC RESIDUES.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH ALL FEDERAL,
STATE, AND LOCAL REGULATIONS.

Toxicological Information:SODUM NITRITE: ORL-RAT LD50: 85 MG/KG.
EYE-RBT 500 MG/24H SEVERE. HMN-TDLO: 14 MG/KG: CNS EFFECTS. SODIUM
HYDROXIDE: EYE-RBT: 50 MG 24/H SEVERE. SKN-RBT: 50 MG 24/H SEVERE.

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.

Transport Information:*(FOR FUTURE USE). *SHORT TERM EXPOSURE LIMIT
(TWA) LISTED AS FINAL RULE LIMITS PUBLISHED IN THE FEDERAL
REGISTER/VOL. 54 NO. 12, 1-19-89.

SARA Title III Information:OTHER INFO: **INJECTION OF METHYLENE BLUE @
1 MG/KG OF BODY WT MAY BE INDICATED. CYANOCOBALAMIN (VITAMIN B-12),
1 MG INTRAMUSCULARLY, WILL SPEED RECOVERY. INTRAVENOUS FLUIDS &
BLOOD TRANSFUSIONS MAY B E INDICATED IN VERY SEV EXPOS.
Federal Regulatory Information:THOSE INGREDIENT LISTED (CHEM NAME:
SODIUM HYDROXIDE, CAS # 1310-73-2, UPPER % LIMIT-5%) ARE SUBJECT TO
RPTG REQUIREMENTS OF 313 OF TITLE III OF THE SUPERFUND AMENDMENTS &
REAUTHORIZATION ACT OF 1986 AND 40 CFR PART 372.
State Regulatory Information:CALIFORNIA PROP 65: WARNING: THIS PROD
CNTNS FOLLOWING CHEM(S) KNOWN TO STATE OF CALIFORNIA TO CAUSE (1)
CANCER OR (2) BIRTH DEFECTS/OTHER REPRO HARM: NONE.