Product ID:282 POTASSIUM HYDROXIDE SOLN, 8.0 N
MSDS Date:08/03/1996
FSC:6810
NIIN:00-850-7787
MSDS Number: BHCCD

HACH COMPANY

100 DAYTON RD.
AMES, IA 50010-6402
US

Emergency Phone: 515-232-2533 (303-623-5716 MEDICAL)

Info Phone: 800-227-4224

Cage: 4T252

POLYSCIENCES INC

WARRINGTON, PA 18976 US

Telephone: 215-343-6484

Cage: 32939

POTASSIUM HYDROXIDE (CERCLA)

CAS: 1310-58-3

RTECS: TT2100000

Fraction By Weight: <50%

OSHA PEL C 2 MG/M3

ACGIH TLV: C 2 MG/M3; 9596

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

WATER

CAS: 7732-18-5

RTECS: ZC0110000

Fraction By Weight: TO 100%

LD50 LC50 Mixture:LD50 (ORAL RAT) IS 365 MG/KG.
Routes of Entry: Inhalation:NO Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: HARMFUL IF SWALLOWED, INHALED,
OR ABSORBED THROUGH SKIN. MATERIAL IS EXTREMELY DESTRUCTIVE TO
TISSUE OF THE MUCOUS MEMBRANES AND UPPER RESPIRATORY TRACT, EYES
AND SKIN. INHALATION MAY BE FATAL AS A RESULT OF SPASM,
INFLAMMATION AND EDEMA OF THE LARYNX AND BRONCHI, CHEMICAL
PNEUMONITIS AND PULMONARY EDEMA.
Explanation of Carcinogenicity:POTASSIUM HYDROXIDE IS NOT LISTED BY
IARC, NTP, OR OSHA AS A CARCINOGEN.
Effects of Overexposure:MAY INCLUDE BURNING SENSATION, COUGHING,
WHEEZING, LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA AND
VOMITING.
Medical Cond Aggravated by Exposure:PERSONS WITH A HISTORY OF AILMENTS
OR WITH A PRE-EXISTING DISEASE INVOLVING THE EYES, SKIN, OR
RESPIRATORY TRACT MAY BE AT INCREASED RISK FROM EXPOSURE.

First Aid:EYE-FLUSH W/WATER 15 MIN, HOLD LIDS OPEN. SKIN-WASH WITH SOAP
& WATER. REMOVE CONTAMINATED CLOTHING & LAUNDER BEFORE REUSE.
INHALED-REMOVE TO FRESH AIR. INGESTED-DO NOT INDUCE VOMITING. GIVE
2 GLASSES OF MILK OR WATER & GET IMMEDIATE MEDICAL CARE. GIVE
NOTHING BY MOUTH IF UNCONSCIOUS. IF IRRITATION PERSISTS OR IS
SEVERE, SEE A DOCTOR.

Flash Point:NON-FLAMMABLE
Extinguishing Media:USE MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:CORROSIVE FUMES MAY BE GIVEN OFF UNDER
FIRE CONDITIONS.

Spill Release Procedures:COVER SPILL WITH CITRIC ACID OR ANOTHER ACIDIC
MATERIAL. SCOOP SLURRY TO BEAKER, ADD WATER & NEUTRALIZE TO A PH
BETWEEN 6 &9. FLUSH NEUTRALIZED WASTE TO THE DRAIN WITH EXCESS
WATER.
Neutralizing Agent:CITRIC ACID OR OTHER ACIDIC MATERIAL.

Handling and Storage Precautions:KEEP AWAY FROM ACIDS. STORE IN A COOL,
DRY AREA. KEEP CONTAINERS TIGHTLY CLOSED WHEN NOT IN USE. PROTECT
CONTAINERS FROM PHYSICAL DAMAGE.
Other Precautions:DO NOT TAKE INTERNALLY. DO NOT BREATHE MIST OR VAPOR.
AVOID CONTACT WITH EYES AND SKIN. WASH THOROUGHLY AFTER HANDLING.

Respiratory Protection:NONE USUALLY REQUIRED. ALWAYS USE NIOSH/MSHA
APPROVED RESPIRATORS WHEN REQUIRED.
Ventilation:NOT NORMALLY REQUIRED. USE LAB HOOD OR OTHER LOCAL EXHAUST
TO MAINTAIN EXPOSURE BELOW PEL/TLV.
Protective Gloves:RUBBER, VINYL OR OTHER IMPERVIOUS
Eye Protection:SAFETY GOGGLES WITH OPTIONAL FACE SHIELD
Other Protective Equipment:SAFETY SHOWER AND EYE WASH STATION. LAB COAT
OR APRON.
Work Hygienic Practices:USE GOOD CHEMICAL HYGIENE PRACTICE. AVOID
UNNECESSARY CONTACT.
Supplemental Safety and Health
CHANGE NUMBER 12068.

HCC:B1
Boiling Pt:=100.C, 212.F
Spec Gravity:1.3
pH:14
Evaporation Rate & Reference:0.18 (WATER = 1)
Solubility in Water:COMPLETE
Appearance and Odor:CLEAR COLORLESS LIQUID. IRRITATING ODOR.
Corrosion Rate:AL-21.31

Stability Indicator/Materials to Avoid:YES
ACIDS, METALS, ORGANIC PEROXIDES, EXPLOSIVES, EASILY IGNITABLE
MATERIALS.
Stability Condition to Avoid:CONTACT WITH ACIDS, METALS, EXPLOSIVES,
ORGANIC PEROXIDES, EASILY IGNITABLE MATERIALS, EXTREME
TEMPERATURES.
Hazardous Decomposition Products:CONTACT WITH SOME METALS WILL LIBERATE
HYDROGEN GAS (EXPLOSION HAZARD).

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

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.