Product ID:50% CAUSTIC SODA-DIAPHRAGM
MSDS Date:07/14/1989
FSC:6810
NIIN:01-051-3050
MSDS Number: BKBMN

OCCIDENTAL CHEMICAL CO, DIV OCCIDENTAL PETROLEUM

CUSTOMER SERVICE, OCCIDENTAL TOWER
DALLAS, TX 75380
US

Emergency Phone: 716-278-7021

Info Phone: 800-752-5151 / 716-286-3081

Cage: 4R332

TEXTILE CHEMICAL CO

READING, PA 19605 US

Telephone: 215-926-4151

Cage: 9D436

SODIUM HYDROXIDE (SARA III)

CAS: 1310-73-2

RTECS: WB4900000

Fraction By Weight: 50%

OSHA PEL 2 MG/M3

ACGIH TLV: C 2 MG/M3; 9293

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

WATER

CAS: 7732-18-5

RTECS: ZC0110000

Fraction By Weight: 50 - 55%

LD50 LC50 Mixture:ORAL LD50 (RAT) IS 140-340 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:CORROSIVE SOLID/LIQUID WILL BURN
EYES/SKIN/ RESPIRATORY TRACT. CAN CAUSE BLINDNESS. CAUSES
DESTRUCTIVE TISSUE DAMAGE AND SCARRING. MAY LEAD TO SKIN
DERMATITIS. INGESTION OF LIQUID OR MIST WILL CAUSE S EVERE BURNING
AND IRRITATION TO MUCOUS MEMBRANES, MOUTH, THROAT AND
GASTROINTESTINAL TRACT. CAN CAUSE SEVERE PNEUMONITIS
Explanation of Carcinogenicity:THE COMPONENTS OF THIS PRODUCT HAVE NOT
SHOWN ANY EVIDENCE OF BEING CARCINOGENIC.
Effects of Overexposure:OVEREXPOSURE MAY LEAD TO RESPIRATORY
IRRITATION, NAUSEA, FATIGUE, DIZZINESS, HEADACHES, UNCONSCIOUSNESS,
DERMATITIS AND EYE IRRITATION. MATERIAL IS CORROSIVE AND WILL BURN
EXPOSED TISSUE. INGESTION MA Y RESULT IN ASTHMA-LIKE REACTIONS
(WHEEZING, COUGHING AND SHORTNESS OF BREATH).
Medical Cond Aggravated by Exposure:PERSONS WITH A SKIN DISORDER, EYE
DISORDERS, OR IMPARED RESPIRATORY FUNCTION SHOULD USE CAUTION WHEN
HANDLING OR USING THIS PRODUCT.

First Aid:SKIN: REMOVE CONTAMINATED CLOTHING. WASH WITH SOAP AND WATER.
GET MEDICAL ATTENTION IF IRRITATION PERSISTS. INHALATION: REMOVE TO
FRESH AIR & RESTORE BREATHING IF NECESSARY. GET MEDICAL ATTENTION.
EYE : IMMEDIATELY FLUSH WITH WATER FOR 15 MINUTES WHILE HOLDING
EYELIDS OPEN. GET MEDICAL ATTENTION. INGESTION: DRINK WATER/MILK TO
DILUTE. DO NOT INDUCE VOMITING. NOTHING BY MOUTH IF
UNCONSCIOUS.CALL DR.

Extinguishing Media:USE WATER FOG, CARBON DIOXIDE, FOAM OR DRY
CHEMICAL. THIS MATERIAL ITSELF IF NON-FLAMMABLE.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA
AND FULL PROTECTIVE GEAR WHEN FGHTING ANY CHEMICAL FIRE. USE WATER
SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:CONTACT WITH SOME METALS MAY YIELD
EXPLOSIVE HYDROGEN GAS AND HIGH HEAT RELEASE.

Spill Release Procedures:CONTAIN SPILL AND VACUUM RECOVER TO A SEPTIC
TANK TRUCK. DO NOT ALLOW RUNOFF TO A SEWER UNLESS MATERIAL IS
DILUTED AND NEUTRALIZED WITH DILUTE ACID SOLUTION.
Neutralizing Agent:5% ACETIC ACID (VINEGAR) OR OTHER MINERAL ACIDS LIKE
HCL.

Handling and Storage Precautions:STORE IN A COOL, DRY, VENTILATED WORK
AREA. KEEP CONTAINERS CLOSED WHEN NOT IN USE. PLACE STORAGE TANKS
IN A DIKED CONTAINMENT AREA.
Other Precautions:SPILLAGE CAN BE SLIPPERY.

Respiratory Protection:NOT NORMALLY REQUIRED. USE NIOSH/MSHA APPROVED
RESPIRATOR FOR HANDLING MIST IF PROLONGED CONTACT WITH MATERIAL.
Ventilation:ADEQUATE ROOM VENTILATION SUFFICIENT TO MEET TLV.
Protective Gloves:NEOPRENE OR RUBBER GLOVES
Eye Protection:NO CONTACTS. USE CHEMICAL SAFETY GOGGLES
Other Protective Equipment:EYE WASH. CHEMICAL APRON IS RECOMMENDED.
FULL RUBBER BOOTS RECOMMENDED. DO NOT WEAR THIN RUBBER COVERS OVER
LEATHER SHOE
Work Hygienic Practices:DO NOT TAKE INTERNALLY. AVOID SKIN CONTACT.
WASH SKIN AFTER USING PRODUCT. DO NOT EAT, DRINK OR SMOKE IN WORK
AREA.
Supplemental Safety and Health
CORROSIVE LIQUID - AVOID CONTACT. CONTACT LENSES SHOULD NOT BE WORN
WHEN DEALING WITH THIS PRODUCT. KEEP EYE WASH AND QUICK DRENCH
SHOWER FACILITIES AVAILABLE WHEN WORKING WITHN THIS MATERIAL. BE
VERY CAUTIOUS WHEN MIXING THIS VERY CAUSTICSOLUTION WITH WATER -
EXOTHERMIC REACTION CAN EXCEED BOILING POINT OF WATER.

HCC:B1
Boiling Pt:B.P. Text:289F,143C
Melt/Freeze Pt:M.P/F.P Text:54.0F,12.2C
Vapor Pres:13
Spec Gravity:1.54
pH:14
Solubility in Water:COMPLETE
Appearance and Odor:CLEAR LIQUID WITH NO DISTINCT ODOR.

Stability Indicator/Materials to Avoid:YES
WATER, ACIDS, HALOGENATED ORGANICS, METALS SUCH AS ALUMINUM, TIN, ZINC,
ALDEHYDES, ORGANIC NITRO COMPOUNDS.
Stability Condition to Avoid:ANYTHING OTHER THAN NORMAL CONDITONS;
DIRECT CONTACT WITH ACIDS; METALS
Hazardous Decomposition Products:LIBERATES FLAMMABLE HYDROGEN GAS ON
CONTACT WITH ACTIVE METALS SUCH AS ZN,AL,SN.

Waste Disposal Methods:WASTE DILUTED AND NEUTRALIZED LIQUID COULD BE
FLUSHED TO A WASTE WATER TREATMENT SYSTEM VIA THE SEWER OR GIVEN TO
A LICENSED DISPOSAL CONTRACTOR. CONFORM TO ALL APPLICABLE
REGULATIONS. UNDILUTED MATER IAL IS A RCRA HAZARDOUS WASTE (CODE =
D002).

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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.