MATERIAL SAFETY DATA SHEET

50% BENZALKONIUM CHLORIDE

Section I - IDENTIFICATION

PRODUCT: 50% Benzalkonium Chloride

SYNONYMS: n-alkyl dimethyl benzyl ammonium chloride solution

PRODUCT CODE NO.: 10650

Section II - HAZARDOUS INGREDIENTS

Section III - HEALTH & FIRST AID INFORMATION

INHALATION: Prolonged exposure may be irritating in some individuals.

INGESTION: If swallowed drink promptly a large quantity of milk, egg whites, gelatin solution or, if these are not available, large quantities of water. Avoid alcohol. May be fatal. Seek medical attention immediately.

EYE CONTACT: May cause severe eye damage. In case of contact, immediately flush for a least 15 minutes with plenty of water. Seek medical attention immediately.

SKIN CONTACT: May cause irritation or skin damage. Remove affected clothing and wash affected area thoroughly with plenty of water. Wash clothing before re-using. If irritation persists, seek medical attention.

OTHER HEALTH INFORMATION: LD₅₀ n.av.

Section IV - PHYSICAL DATA

BOILING POINT: unknown

VAPOUR DENSITY (AIR = 1): n.av.

PERCENT VOLATILE BY WEIGHT (%): 10

SOLUBILITY IN WATER: completely miscible

SPECIFIC GRAVITY (H2O=1): 1,000

APPEARANCE AND ODOUR: light yellow liquid with a distinctive odour. Foams when mixed with water.

Section V - FIRE AND EXPLOSION HAZARDS

FLASH POINT & METHODS USED: >93^oC by Pensky Martin closed cup

FLAMMABLE LIMITS IN AIR; % BY VOL. LOWER: n.av.

FLAMMABLE LIMITS IN AIR; % BY VOL. UPPER: n.av.

SPECIAL FIRE FIGHTING PROCEDURES & PRECAUTIONS: none

UNUSUAL FIRE & EXPLOSION HAZARDS: Products of combustion are toxic. Heated solvent vapors can travel to an ignition source and flash back.

Section VI - REACTIVITY

STABILITY: stable

HAZARDOUS POLYMERIZATION: will not occur

CONDITIONS & MATERIALS TO AVOID: Avoid mixing with strong oxidizing agents. Incompatible with soaps and anionic detergents.

HAZARDOUS DECOMPOSITION PRODUCTS: none

Section VII - EMPLOYEE PROTECTION

CONTROL MEASURES: Use in well-ventilated area or use mechanical ventilation.

RESPIRATORY PROTECTION: Use in a well ventilated area.

PROTECTIVE CLOTHING: Wear gloves and full protective clothing when handling this product. Thoroughly wash contaminated clothing before re-using.

EYE PROTECTION: Always wear tight fitting safety goggles when handling this product.

Section VIII - ENVIRONMENTAL PROTECTION

ENVIRONMENTAL PRECAUTIONS: Do not use near water or food.

SPILL OR LEAK PRECAUTIONS: Dike spill and prevent from entering water sources or food storage. Absorb any liquid in absorbent material and dispose in an approved manner. Always wear gloves, protective clothing and safety goggles.

WASTE DISPOSAL: May be disposed in an approved landfill but seek the advice of a professional disposal service. Ensure disposal method complies with local, provincial and federal regulations governing disposal.

Section IX - REGULATORY CONTROLS

DEPT. OF TRANSPORTATION and OTHER REGULATORY REQUIREMENT: none

Section X - PRECAUTIONS: HANDLING, STORAGE & USAGE

Store in a cool place away from direct light. Store away from water sources and food storage.

PREPARED BY: MSDS Dept .                                       DATE: Update January 10, 2008