Product ID:POTASSIUM HYDROXIDE,SOLID,PX (1478,1480,1485,1490,1495)
MSDS Date:03/07/1995
FSC:6810
NIIN:00-234-8366
MSDS Number: BYDCW

E M SCIENCE

480 DEMOCRATE RD
GIBBSTOWN, NJ 08027
US

Emergency Phone: 609-354-9200/800-424-9300(CHEMTREC)

Info Phone: 609-354-9200

Cage: 0SK29

E M SCIENCE

70 GIBBSTOWN, NJ 08027 US

Telephone: 609-354-9200/800-424-9300(CHEMTREC)

Cage: 0SK29

POTASSIUM HYDROXIDE (CERCLA)

CAS: 1310-58-3

RTECS: TT2100000

Fraction By Weight: 100%

OSHA PEL C 2 MG/M3

ACGIH TLV: C 2 MG/M3; 9495

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

LD50 LC50 Mixture:LD50 ORAL RAT IS 365 MG/KG.
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:EYES, SKIN, RESPIRATORY
& GI TRACTS. ACUTE- CORROSIVE. SEVERE BURNS ON CONTACT WITH ANY
BODY TISSUE. INHALE:SEVERE IRRITATION OF NOSE, THROAT. EYE:CAUSES
PERMANENT, IRREVERSIBLE INJURY. SKIN:CAUSES BURNS. ORAL:WILL CAUSE
BURNING & SEWELLING OF MOUTH, THROAT & ABDOMEN. CHRONIC- UNKNOWN.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:SEVERE IRRITATION, PAIN, BURNS

First Aid:GET MEDICAL ATTENTION IMMEDIATELY. EYE/SKIN:IMMEDIATELY FLUSH
WITH WATER FOR AT LEAST 15 MINUTES. HOLD EYELIDS APART.
INHALED:REMOVE TO FRESH AIR & PROVIDE OXYGEN/CPR IF NEEDED. ORAL:DO
NOT INDUCE VOM ITING. IF CONSCIOUS, DRINK LARGE AMOUNTOF WATER.

Flash Point:NONE
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, FOAM OR DRY CHEMICAL
FOR SURROUNDING FIRE. USE WATER SPRAY TO COOL FIRE EXPOSED
CONTAINERS.
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:A VIOLENT EXOTHERMIC REACTION OCCURS WITH
WATER. SUFFICIENT HEAT MAY BE PRODUCED TO IGNITE COMBUSTIBLE
MATERIALS. HIGHLY TOXIC FUMES MAY BE FORMED.

Spill Release Procedures:REMOVE IGNITION SOURCES (HYDROGEN MAY BE
GENERATED). VENTILATE AREA. WEAR PROTECTIVE EQUIPMENT. WITH CLEAN
SHOVEL, CAREFULLY PLACE MATERIAL INTO CLEAN, DRY CONTAIENR AND
COVER. REMOVE FROM AREA. WASH SPILL AREA THOROUGHLY WITH WATER.
Neutralizing Agent:ACID

Handling and Storage Precautions:STORE IN COOL, DRY PLACE AWAY FROM
INCOMPATIBLES. VIOLENT REACTION CAN OCCUR WHEN MIXED WITH
WATER/ACID. NEVER ADD WATER TO PRODUCT.
Other Precautions:DO NOT BREATHE DUSTS. DO NOT GET IN EYES, ON SKIN OR
ON CLOTHING. MATERIAL IS HYGROSCOPIC. KEEP CONTAINER TIGHTLY
CLOSED. KEEP OUT OF REACH OF CHILDREN. FOR INDUSTRIAL USE ONLY.
WASH THOROUGHLY AFTER HANDLING.

Respiratory Protection:RESPIRATORY PROTECTION IS REQUIRED IF AIRBORNE
CONCENTRATION EXCEEDS TLV. A NIOSH-APPROVED AIR-SUPPLIED RESPIRAOR
SHOULD BE USED. IN EMERGENCIES, A NIOSH-APPROVED SELF-CONTAINED
BREATHING APPARATUS IS ADVISED.
Ventilation:USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV
REQUIREMENTS.
Protective Gloves:NEOPRENE OR LATEX
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:IMPERVIOUS PROTECTIVE CLOTHING SHOULD BE
WORN TO PREVENT SKIN CONTACT. EYE WASH & SAFETY EQUIPMENT SHOULD BE
AVAILABLE.
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. WASH THOROUGHLY BEFORE EATING,
DRINKING/SMOKING.
Supplemental Safety and Health

HCC:B1
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:=1320.C, 2408.F
Melt/Freeze Pt:=360.C, 680.F
Spec Gravity:2.044
pH:14 1 M
Viscosity:NOT RELEVANT
Evaporation Rate & Reference:NOT RELEVANT
Solubility in Water:APPRECIABLE
Appearance and Odor:WHITE DELIQUESCENT PELLETS/FLAKES, ODORLESS

Stability Indicator/Materials to Avoid:YES
WATER, ACIDS AND THEIR ANHYDRIDES, COMMON METALS AND THEIR ALLOYS
Stability Condition to Avoid:MOISTURE
Hazardous Decomposition Products:MAY FORM HYDROGEN UPON REACTION WITH
MOST METALS. MAY FORM TOXIC FUMES.

Waste Disposal Methods:WASTE DISPOSAL TO BE PERFORMED IN COMPLIANCE
WITH ALL CURRENT LOCAL, STATE AND FEDERAL REGULATIONS. EPA
HAZARDOUS WASTE NUMBER: D002 (CORROSIVE WASTE). CERCLA RQ: 1000
LBS.

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.