SECTION II - Manufacturer"s Information

Appearance/Odor

CLEAR/PUNGENT ODOR (MERCAPTAN ADDITIVE) Boiling Point -44F -42C Melting Point -305F/-151C Vapor Pressure 300PSIG Vapor Density 1.52 Specific Gravity 0.51 @60F Decomposition Temperature UNKNOWN Evaporation Rate <1 (ETHYL ETHER = 1) Solubility in Water NEGLIGIBLE Percent Volatiles by Volume 100 Chemical pH N/K Corrosion Rate UNKNOWN Container Pressure Code 4 Temperature Code 8 Product State Code U SECTION IV - Fire and Explosion Hazard Data Flash Point -156 Flash Point Method UNK Lower Explosion Limit 2.1 % Upper Explosion Limit 9.5 % Extinguishing Media DRY CHEMICAL, FOAM OR CARBON DIOXIDE Special Fire Fighting Procedures EVACUATE AREA - USE NIOSH/MSHA APPROVED SELF- CONTAINED BREATHING APPARATUS. IF POSSIBLE ALLOW FIRE TO BURN UNTIL GAS FLOW IS STOPPED Unusual Fire/Explosion Hazards KEEP EXPOSED CONTAINERS COOL WITH WATER FOG OR SPRAY. HIGHLY FLAMMABLE VAPORS WHICH ARE HEAVIER THAN AIR MAY ACCUMULATE IN LOW AEA AND/OR SPREAD TO REMOTE AREAS SECTION V - Reactivity Data Stability YES Stability Conditions to Avoid CYLINDER TEMPERATURES ABOVE 120F, SPARKS, FLAME AND OTHER FORMS OF IGNITION Materials to Avoid CHLORINE AND OTHER STRONG OXIDIZERS Hazardous Decomposition Products CARBON MONOXIDE, CARBON DIOXIDE Hazardous Polymerization NO Polymerization Conditions to Avoid NONE. WILL NOT OCCUR LD50 - LD50 Mixture NONE SPECIFIED BY MANUFACTURER SECTION VI - Health Hazard Data Route of Entry: Skin YES Route of Entry: Ingestion NO Route of Entry: Inhalation YES Health Hazards - Acute and Chronic EXPOSURE TO 1000 PPM FOR 8 HOURS A DAY, 5 DAYS A WEEK, FOR APPROXIMATELY 2 WEEKS PRODUCES NO ABNORMAL REACTIONS IN HUMANS. SIMPLE ASPHYXIANT. HAS ANESTHETIC ACTION IN HIGH CONCENTRATIONS. LIQUIFIED GAS CAN CAUSE FROST BITE WHEN IT TOUCHES THE SKIN Carcinogenity: NTP NO Carcinogenity: IARC NO Carcinogenity: OSHA NO Explanation of Carcinogenity PRODUCT CONTAINS NO MATERIALS CURRENTLY CLASSIFIED AS CARCINOGENIC BY NTP, IARC OR OSHA Symptoms of Overexposure EXTREME OVEREXPOSURE CAN CAUSE DIZZINESS OR HEADACHE. CONTACT WITH LIQUIFIED GAS CAN CAUSE FREEZE BURN Medical Cond. Aggrevated by Exposure REPSIRATORY PROBLEMS MAY BE AGGRAVATED BY EXPOSURE