Product ID:SODIUM HYDROXIDE 1/28 MOL/L VOLUMETRIC SOLUTION, 35290
MSDS Date:07/01/1999
FSC:6810
NIIN:00N092321
Status Code:A
MSDS Number: CJQVJ

Emergency Phone: 314-289-6000

Info Phone: 314-289-6000

Cage: 21076

Telephone: 314-771-5765

Cage: 21076

SODIUM HYDROXIDE

CAS: 1310-73-2

RTECS: WB4900000

OSHA PEL 2 MG/M3

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

LD50 LC50 Mixture:SEE TOXICOLOGICAL INFORMATION.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:CORROSIVE! ACUTE: MAY BE HARMFUL BY
INHALATION, INGESTION, OR SKIN ABSORPTION. CAUSES SEVERE BURNS.
MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE OF THE MUCOUS MEMBRANES
AND UPPER RESPIRATORY TRACT, EYE S AND SKIN. INHALATION MAY RESULT
IN SPASM, INFLAMMATION AND EDEMA OF THE LARYNX AND BRONCHI,
CHEMICAL PNEUMONITIS AND PULMONARY EDEMA. SYMPTOMS OF EXPOSURE MAY
INCLUDE BURNING SENSATION, COUGHING, WH EEZING, LARYNGITIS,
SHORTNESS OF BREATH, HEADACHE, NAUSEA AND VOMITING.
Effects of Overexposure:SEE HEALTH HAZARDS.

First Aid:EYES: IMMEDIATELY FLUSH WITH COPIOUS AMOUNTS OF WATER FOR AT
LEAST 15 MINUTES. ASSURE ADEQUATE FLUSHING BY SEPARATING LIDS WITH
FINGERS. SKIN: IMMEDIATELY FLUSH WITH COPIOUS AMOUNTS OF WATER FOR
AT LE AST 15 MINUTES WHILE REMOVING CONTAMINATED CLOTHING AND
SHOES. WASH CONTAMINATED CLOTHING BEFORE REUSE. DISCARD
CONTAMINATED SHOES. INHALATION: REMOVE TO FRESH AIR. IF NOT
BREATHING GIVE ARTIFICIAL RE SPIRATION. IF BREATHING IS DIFFICULT,
GIVE OXYGEN. INGESTION: WASH OUT MOUTH WITH WATER PROVIDED PERSON
IS CONSCIOUS. CALL MD.

Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE TO SURROUNDING
FIRE CONDITIONS. DO NOT USE WATER.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
EQUIPMENT . EXOTHERMIC IN CONTACT WITH WATER.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPROVED
SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS AND HEAVY RUBBER
GLOVES. SWEEP UP, PLACE IN A BAG AND HOLD FOR WASTE DISPOSAL.
VENTILATE AREA AND WASH SPILL SITE AF TER MATERIAL PICKUP IS
COMPLETE.

Handling and Storage Precautions:DO NOT BREATHE DUST. DO NOT GET IN
EYES, ON SKIN, ON CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE.
KEEP TIGHTLY CLOSED. DO NOT ALLOW CONTACT WITH WATER. STORE IN A
COOL, DRY PLACE.
Other Precautions:CORROSIVE. IN CASE OF ACCIDENT OR IF YOU FEEL UNWELL,
SEEK MEDICAL ADVICE IMMEDIATELY (SHOW THE LABEL WHERE POSSIBLE).

Respiratory Protection:WEAR APPROPRIATE NIOSH APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES & FULL LENGTH
FACESHIELD .
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER .
WEAR SUITABLE OTHER PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
MATLS TO AVOID: NEVER ADD WATER TO THIS MATERIAL, ALWAYS ADD THIS
MATERIAL TO WATER. MFR: (RIEDEL-DE HAEN)

Melt/Freeze Pt:=318.C, 604.4F
Vapor Pres:<18 MM @ 20C; 3 MM @ 37C
Vapor Density:>1
Spec Gravity:2.13
Appearance and Odor:WHITE PELLETS.

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG ACIDS, ORGANIC MATLS, CHLORINATED
SOLVS. ABSORBS CO*2 FROM AIR. WATER. CONT W/ALUMINUM, TIN & ZINC
LIBERATES HYDROGEN GAS. CONT W/NITROMETHANE & OTHER SIMILAR NITRO
CMPDS CAUSES FORM OF SHOCK
Stability Condition to Avoid:DO NOT ALLOW WATER TO ENTER CONTAINER.
HEAT OF SOLUTION IS VERY HIGH, AND WITH LIMITED AMOUNTS OF WATER,
VIOLENT BOILING MAY OCCUR.
Hazardous Decomposition Products:NATURE OF DECOMPOSITION PRODUCTS NOT
KNOWN.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

Waste Disposal Methods:CONTACT A LICENSED PROFESSIONAL WASTE DISPOSAL
SERVICE TO DISPOSE OF THIS MATERIAL OBSERVE ALL FEDERAL, STATE AND
LOCAL ENVIRONMENTAL REGULATIONS.

Toxicological Information:TO THE BEST OF MFR'S KNOWLEDGE, THE CHEMICAL,
PHYSICAL AND TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY
INVESTIGATED. IRRITATION DATA: EYE-MKY 1%/24H SEV; EYE-RBT 1 MG/24H
SEV - TXAPA9 6,701,1964 ; SKN-RBT 500 MG/24H SEV; EYE-RBT 50 UG/24H
SEV - 28ZPAK -,7,1972; EYE-RBT 400 UG MLD - OYYAA2 26,627,1983;
EYE-RBT 1% SEV - AJOPAA 29,1363,1946; EYE-RBT 1 MG/30S RINSE SEV -
TXCYAC 23,281,1982. TOXIC ITY DATA: LD50:(IPR MUS) 40 MG/KG -
COREAF 257,791,1963. ONLY SELECTED RTECS DATA IS PRESENTED HERE.
SEE ACTUAL ENTRY IN RTECS FOR COMPLETE INFORMATION.

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:DATA NOT YET AVAILABLE.

Transport Information:CONTACT SIGMA CHEMICAL COMPANY FOR TRANSPORTATION
INFORMATION.

Federal Regulatory Information:EUROPEAN INFO: CORR; R 35 - CAUSES SEV
BURNS; S 26 - IN CASE OF CONT W/EYES, RINSE IMMED W/PLENTY OF WATER
& SEEK MED ATTN; S 37/39 - WEAR SUITABLE GLOVES & EYE/FACE PROT; S
45 - IN CASE OF ACCIDENT/ IF YOU FEEL UNWELL, SEEK MED ADVICE IMMED
(SHOW LBL WHERE POSS). -- REVIEWS, STDS & REGS:OEL=MAK. ACGIH
TLV-CL 2 MG/M3 - DTLVS* TLV/BEI,1997. EPA FIFRA 1988 PESTICIDE
SUBJECT TO REGISTRATION/RE-REGIST RATION - FEREAC 54,7740,1989.
MSHA STD:AIR-CL 2 MG/M3 - DTLVS* 3,233,1971. OSHA PEL:8H TWA 2
MG/M3 ( GEN INDU - CFRGBR 29,1910.1000,1994) (CONSTRUC - CFRGBR
29,1926.55,1994) (SHIPYARD - CFRGBR 29,1915.1000,1993) (STATE
REGULATORY INFO)
State Regulatory Information:FED REGULATORY:(FED CONT - CFRGBR
41,50-204.50, 1994). OEL-AUSTRALIA, DENMARK, FINLAND, FRANCE,
GERMANY, THE NETHERLANDS, THE PHILIPPINES, SWEDEN, THAILAND,
TURKEY:TWA 2 MG/M3 JAN 1993; OEL-BELGIUM, J APAN:STEL 2 MG/M3 JAN
1993; OEL-SWITZERLAND:TWA 2 MG/M3; STEL 4 MG/M3 JAN 1993;
OEL-UNITED KINGDOM:TWA 2 MG/M3; STEL 2 MG/M3 JAN 1993; OEL IN
BULGARIA, COLOMBIA, JORDAN, KOREA, NEW ZEALAND, SINGAPORE,
VIETNAM: CHECK ACGIH TLV. NIOSH REL TO SODIUM HYDROXIDE-AIR:CL 2
MG/M315M - NIOSH* DHHS #92-100,199 2. NOHS 1974: HZD 69070; NIS
359; TNF 112525; NOS 192; TNE 1122583. NOES 1983: HZD X3782; NIS
167; TNF 21989; NOS 120; (OTHER INFO)