Product ID:CAUSTIC SODA
MSDS Date:08/08/1995
FSC:6810
NIIN:00-181-7557
MSDS Number: CFRCV

MALLINCKRODT CHEMICAL, INC.

16385 SWINGLEY RIDGE DRIVE
CHESTERFIELD, MD
US

Emergency Phone: 314-539-1600

Info Phone: 800-325-8888

Cage: 23104

MALLINCKRODT CHEMICAL WORKS LTD

POINTE CLAIRE QUE CAN H9R, IL 60803 US

Telephone: 847-816-5060

Cage: 23104

SODIUM HYDROXIDE (CERCLA)

CAS: 1310-73-2

RTECS: WB4900000

OSHA PEL 2 MG/M3

ACGIH TLV: C 2 MG/M3; 9596

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

LD50 LC50 Mixture:LD50 (ORAL, RAT) IS UNKNOWN.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS:EYE, SKIN, RESPIRATORY &
GI TRACTS. ACUTE- CORROSIVE TO ALL BODY TISSUES. SKIN CONTACT CAN
CAUSE DESTRUCTION. INHALING MIST MAY CAUSE SEVERE RESPIRATORY TRACT
IRRITATION. CAN CAUSE SEVER E EYE/SKIN BURNS. IF INGESTED, SEVERE
MOUTH, THROAT, ESOPHAGUS, STOMACH BURNS. CHRONIC- DERMATITIS,
RESPIRATORY ILLNESS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:SEVERE BURNS TO EYES, SKIN, MOUTH, THROAT,
ESOPHAGUS, STOMACH; UPPER RESPIRATORY TRACT AND LUNG DAMAGE;
POSSIBLY BLINDNESS

First Aid:GET IMMEDIATE MEDICAL HELP FOR ALL CASES OF EXPOSURE.
EYES/SKIN:FLUSH WITH WATER FOR AT LEAST 15 MINUTES. HOLD EYELIDS
OPEN. INHALED:REMOVE TO FRESH AIR. PROVIDE CPR/OXYGEN IF NECESSARY.
ORAL:DO NOT I NDUCE VOMITING. IF CONSCIOUS, DRINK LARGE AMOUNT OF
MILK/WATER. NEVER GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON.
IF VOMITING OCCURS SPONTANEOUSLY, KEEP AIRWAY CLEAR.

Flash Point:NONE
Extinguishing Media:USE CARBON DIOXIDE, FOAM/DRY CHEMICALS. AVOID
DIRECT CONTACT OF THIS PRODUCT WITH WATER (VIOLENT EXOTHERMIC
REACTION).
Fire Fighting Procedures:WEAR FULL PROTECTIVE CLOTHING AND
NIOSH-APPROVED SELF-CONTAINED BREATHING APPARATUS WITH FULL
FACEPIECE OPERATED IN THE POSITIVE PRESSURE MODE.
Unusual Fire/Explosion Hazard:MAY REACT WITH AMPHOTERIC METALS ( SUCH
AS ALUMINUM, ZINC, TIN) GENERATING HYDROGEN GAS WHICH WILL BURN OR
EXPLODE IF IGNITED.

Spill Release Procedures:VENTILATE AREA. WEAR PROTECTIVE EQUIPMENTS.
REMOVE SPILL WITH VACCUM TRUCK. NEUTRALIZE REMAINING SPILL WITH
ACID. FLUSH AREA WITH WATER, THEN COVER WITH SODIUM BICARBONATE.
PLACE ALL CLEAN-UP MATERIAL IN CONTAINER FOR LATER DISPOSAL.
REPORTIF NEEDED
Neutralizing Agent:ACETIC, HYDROCHLORIC, SULFURIC, PHOSPHORIC, NITRIC
ACIDS

Handling and Storage Precautions:STORE IN CLOSED CONTAINER AWAY FROM
INCOMPATIBLES. ADD PRODUCT TO WATER WITH ADEQUATE AGITATION TO
PREVENT BOILING. KEEP OUT OF REACH OF CHILDREN.
Other Precautions:DO NOT GET INTO EYES OR ON SKIN. DO NOT BREATHE
MISTS. DO NOT TAKE INTERNALLY. WASH THOROUGHLY AFTER HANDLING. USE
WITH ADEQUATE VENTILATION. CAUTION! CARBON MONOXIDE GAS CAN FORM
UPON CONTACT WITH FO OD AND BEVERAGES AND MAY CAUSE DEATH.

Respiratory Protection:NOT NORMALLY REQUIRED. USE NIOSH-APPROVED
RESPIRATORS WHERE DUST, MIST OR SPRAY MAY BE GENERATED.
Ventilation:NONE REQUIRED UNDER NORMAL USE. USE LOCAL EXHAUST
VENTILATION WHERE MIST/DUST/SPRAY MAY BE GENERATED.
Protective Gloves:NATURAL OR BUTYL RUBBER
Eye Protection:CHEMICAL SAFETY GOGGLES WITH FACE SHIELD
Other Protective Equipment:RUBBER APRON, RUBBER BOOTS, EYE WASH STATION
AND SAFETY SHOWER
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. WASH THOROUGHLY BEFORE EATING,
DRINKING/SMOKING.
Supplemental Safety and Health
NOTE: DISTRIBUTOR SENT MSDS FOR SOLID SODIUM HYDROXIDE. THE PRODUCT IS
ACTUALLY A 50% SOLUTION OF SODIUM HYDROXIDE.

HCC:B1
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:=122.8C, 253.F
Melt/Freeze Pt:=317.8C, 604.F
Decomp Temp:Decomp Text:NOT KNOWN
Vapor Pres:NEGLIGIBLE
Vapor Density:>1
Spec Gravity:2.13
Solubility in Water:111G/100G OF WATER
Appearance and Odor:WHITE, DELIQUESCENT PELLETS. ODORLESS.

Stability Indicator/Materials to Avoid:YES
WATER, ACIDS, ALUMINUM, TIN, ZINC, ALLOYS OF THESE METALS, WOOL,
ORGANIC HALOGEN COMPOUNDS AND ORGANIC NITRO COMPOUNDS
Stability Condition to Avoid:PRODUCT ABSORBS CARBON DIOXIDE FROM THE
AIR. KEEP CONTAIENRS TIGHTLY CLOSED.
Hazardous Decomposition Products:WILL REACT WITH SOME METALS SUCH AS
ALUMINUM, TIN OR ZINC TO FORM EXPLOSIVE HYDROGEN GAS.

Waste Disposal Methods:WASTE DISPOSAL TO BE PERFORMED IN COMPLIANCE
WITH ALL CURRENT LOCAL, STATE AND FEDERAL REGULATIONS. SMALL
QUANTITIES MAY BE DISSOLVED IN WATER AND NEUTRALIZED WITH ACID. THE
NEUTRALIZED SOLUTION CAN B E FLUSHED DOWN THE DRAIN IF PERMITTED.

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.