------------------------------------------------------------------------------ MSDS for POTASSIUM HYDROXIDE Page 1 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 1 - PRODUCT IDENTIFICATION ------------------------------------------------------------------------------ PRODUCT NAME: POTASSIUM HYDROXIDE FORMULA: KOH FORMULA WT: 56.11 CAS NO.: 01310-58-3 NIOSH/RTECS NO.: TT2100000 COMMON SYNONYMS: POTASSIUM HYDRATE PRODUCT CODES: 3141,3150,3146,3147,5342,3142,5085,3140 EFFECTIVE: 01/22/87 REVISION #03 PRECAUTIONARY LABELLING BAKER SAF-T-DATA(TM) SYSTEM HEALTH - 3 SEVERE (POISON) FLAMMABILITY - 0 NONE REACTIVITY - 2 MODERATE CONTACT - 4 EXTREME (CORROSIVE) HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD). LABORATORY PROTECTIVE EQUIPMENT GOGGLES; LAB COAT; VENT HOOD; PROPER GLOVES PRECAUTIONARY LABEL STATEMENTS POISON DANGER CAUSES SEVERE BURNS MAY BE FATAL IF SWALLOWED DO NOT GET IN EYES, ON SKIN, ON CLOTHING. AVOID SPATTERING BY SLOWLY ADDING TO SOLUTION. AVOID BREATHING DUST. KEEP IN TIGHTLY CLOSED CONTAINER. USE WITH ADEQUATE VENTILATION. WASH THOROUGHLY AFTER HANDLING. SAF-T-DATA(TM) STORAGE COLOR CODE: WHITE STRIPE (STORE SEPARATELY) ------------------------------------------------------------------------------ 2 - HAZARDOUS COMPONENTS ------------------------------------------------------------------------------ COMPONENT % CAS NO. POTASSIUM HYDROXIDE 85-100 1310-58-3 ------------------------------------------------------------------------------ 3 - PHYSICAL DATA ------------------------------------------------------------------------------ BOILING POINT: 1320 C ( 2408 F) VAPOR PRESSURE(MM HG): N/A MELTING POINT: 360 C ( 680 F) VAPOR DENSITY(AIR=1): N/A ------------------------------------------------------------------------------ MSDS for POTASSIUM HYDROXIDE Page 2 ------------------------------------------------------------------------------ SPECIFIC GRAVITY: 2.04 EVAPORATION RATE: N/A (H2O=1) (BUTYL ACETATE=1) SOLUBILITY(H2O): APPRECIABLE (MORE THAN 10 %) % VOLATILES BY VOLUME: 0 APPEARANCE & ODOR: WHITE OR SLIGHTLY YELLOW PELLETS; NO ODOR. ------------------------------------------------------------------------------ 4 - FIRE AND EXPLOSION HAZARD DATA ------------------------------------------------------------------------------ FLASH POINT (CLOSED CUP N/A NFPA 704M RATING: 3-0-1 FLAMMABLE LIMITS: UPPER - N/A % LOWER - N/A % FIRE EXTINGUISHING MEDIA USE EXTINGUISHING MEDIA APPROPRIATE FOR SURROUNDING FIRE. UNUSUAL FIRE & EXPLOSION HAZARDS A VIOLENT EXOTHERMIC REACTION OCCURS WITH WATER. SUFFICIENT HEAT MAY BE PRODUCED TO IGNITE COMBUSTIBLE MATERIALS. REACTS WITH MOST METALS TO PRODUCE HYDROGEN GAS, WHICH CAN FORM AN EXPLOSIVE MIXTURE WITH AIR. TOXIC GASES PRODUCED HYDROGEN GAS ------------------------------------------------------------------------------ 5 - HEALTH HAZARD DATA ------------------------------------------------------------------------------ TLV LISTED DENOTES CEILING LIMIT. THRESHOLD LIMIT VALUE (TLV/TWA): 2 MG/M3 ( PPM) TOXICITY: LD50 (ORAL-RAT)(MG/KG) - 365 CARCINOGENICITY: NTP: NO IARC: NO Z LIST: NO OSHA REG: NO EFFECTS OF OVEREXPOSURE CONTACT WITH SKIN OR EYES MAY CAUSE SEVERE IRRITATION OR BURNS. EXCESSIVE INHALATION OF DUST IS IRRITATING AND MAY BE SEVERELY DAMAGING TO RESPIRATORY PASSAGES AND/OR LUNGS. INGESTION MAY CAUSE SEVERE BURNING OF MOUTH AND STOMACH. TARGET ORGANS EYES, SKIN MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE NONE IDENTIFIED ROUTES OF ENTRY EYE CONTACT, SKIN CONTACT, INHALATION, INGESTION EMERGENCY AND FIRST AID PROCEDURES CALL A PHYSICIAN. ------------------------------------------------------------------------------ MSDS for POTASSIUM HYDROXIDE Page 3 ------------------------------------------------------------------------------ IF SWALLOWED, DO NOT INDUCE VOMITING; IF CONSCIOUS, GIVE LARGE AMOUNTS OF WATER. FOLLOW WITH DILUTED VINEGAR, FRUIT JUICE OR WHITES OF EGGS, BEATEN WITH WATER. IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN. IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES OR SKIN WITH PLENTY OF WATER FOR AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED CLOTHING AND SHOES. WASH CLOTHING BEFORE RE-USE. ------------------------------------------------------------------------------ 6 - REACTIVITY DATA ------------------------------------------------------------------------------ STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR CONDITIONS TO AVOID: MOISTURE, HEAT INCOMPATIBLES: WATER, STRONG ACIDS, ORGANIC MATERIALS, ZINC, ALUMINUM DECOMPOSITION PRODUCTS: HYDROGEN ------------------------------------------------------------------------------ 7 - SPILL AND DISPOSAL PROCEDURES ------------------------------------------------------------------------------ STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE WEAR SELF-CONTAINED BREATHING APPARATUS AND FULL PROTECTIVE CLOTHING. WITH CLEAN SHOVEL, CAREFULLY PLACE MATERIAL INTO CLEAN, DRY CONTAINER AND COVER; REMOVE FROM AREA. FLUSH SPILL AREA WITH WATER. J. T. BAKER NEUTRACIT-2(R) CAUSTIC NEUTRALIZER IS RECOMMENDED FOR SPILLS OF THIS PRODUCT. DISPOSAL PROCEDURE DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL ENVIRONMENTAL REGULATIONS. EPA HAZARDOUS WASTE NUMBER: D002, D003 (CORROSIVE, REACTIVE WASTE) ------------------------------------------------------------------------------ 8 - PROTECTIVE EQUIPMENT ------------------------------------------------------------------------------ VENTILATION: USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV REQUIREMENTS. RESPIRATORY PROTECTION: A RESPIRATOR WITH DUST/MIST FILTER IS RECOMMENDED. IF AIRBORNE CONCENTRATION EXCEEDS TLV, A SELF- CONTAINED BREATHING APPARATUS IS ADVISED. EYE/SKIN PROTECTION: SAFETY GOGGLES, UNIFORM, APRON, NEOPRENE GLOVES ARE RECOMMENDED. ------------------------------------------------------------------------------ 9 - STORAGE AND HANDLING PRECAUTIONS ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ MSDS for POTASSIUM HYDROXIDE Page 4 ------------------------------------------------------------------------------ SAF-T-DATA(TM) STORAGE COLOR CODE: WHITE STRIPE (STORE SEPARATELY) SPECIAL PRECAUTIONS KEEP CONTAINER TIGHTLY CLOSED. STORE IN CORROSION-PROOF AREA. ------------------------------------------------------------------------------ 10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION ------------------------------------------------------------------------------ DOMESTIC (D.O.T.) PROPER SHIPPING NAME POTASSIUM HYDROXIDE, DRY SOLID HAZARD CLASS CORROSIVE MATERIAL (SOLID) UN/NA UN1813 LABELS CORROSIVE REPORTABLE QUANTITY 1000 LBS. INTERNATIONAL (I.M.O.) PROPER SHIPPING NAME POTASSIUM HYDROXIDE, DRY SOLID HAZARD CLASS 8 UN/NA UN1813 LABELS CORROSIVE