International Chemical Safety Cards BENZETHONIUM CHLORIDE ICSC: 0387 N,N-Dimethyl-N-(2-(2-(4-(1,1,3,3-tetramethylbutyl)phenoxy)ethoxy)ethyl) benzenemethanaminium chloride C27H42NO2•Cl Molecular mass: 448.1 ICSC #    0387 CAS #     121-54-0 RTECS # BO7175000 March 04, 2006 Validated TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire. NO open flames. Water spray, powder. EXPLOSION EXPOSURE  •INHALATION Ventilation (not if powder). Fresh air, rest.  •SKIN Redness. Pain. Protective gloves. Remove contaminated clothes. Rinse and then wash skin with water and soap.  •EYES Redness. Blurred vision. Pain. Severe deep burns. Safety goggles. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.  •INGESTION Nausea. Vomiting. Diarrhoea. Convulsions. Shock or collapse. Do not eat, drink, or smoke during work. Rinse mouth. Give one or two glasses of water to drink. Refer for medical attention. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Personal protection: P2 filter respirator for harmful particles. Do NOT let this chemical enter the environment. Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. Separated from food and feedstuffs Dry. Store in an area without drain or sewer access. Signal: Danger Excl mark-Corr Harmful if swallowed Causes skin irritation Causes serious eye damage Toxic to aquatic life SEE IMPORTANT INFORMATION ON BACK ICSC: 0387 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

International Chemical Safety Cards BENZETHONIUM CHLORIDE ICSC: 0387 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: COLOURLESS OR WHITE HYGROSCOPIC SOLID IN VARIOUS FORMS PHYSICAL DANGERS: CHEMICAL DANGERS: The substance decomposes on burning producing toxic and corrosive fumes including hydrogen chloride and nitrogen oxides . OCCUPATIONAL EXPOSURE LIMITS: TLV not established. MAK not established. ROUTES OF EXPOSURE: The substance can be absorbed into the body through the skin and by ingestion. INHALATION RISK: EFFECTS OF SHORT-TERM EXPOSURE: The substance is corrosive to the eyes and is irritating to the skin. EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: Repeated or prolonged contact with skin may cause dermatitis PHYSICAL PROPERTIES Melting point: 160-165°C Solubility in water: very good Octanol/water partition coefficient as log Pow: 4.0 ENVIRONMENTAL DATA The substance is toxic to aquatic organisms. It is strongly advised that this substance does not enter the environment. N O T E S Card has been partially updated in August 2007: see GHS classification, Storage. ADDITIONAL INFORMATION ICSC: 0387 BENZETHONIUM CHLORIDE (C) IPCS, CEC, 1994

IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.