MSDS - S300P

Mar. 4, 2003

Rev. 3

Page 1 of 4

MATERIAL SAFETY DATA SHEET (MSDS)

Product Name: S300P, Oxidizing microbiocide

Chemical Name: 1-Bromo-3-Chloro-5,5-Dimethylhydantoin

DOT Shipping Name: Oxidizing Substance, N.O.S., 5.1 , UN 1479 , PG 11

Formula: C5H6BrClN2O2

E.P.A. Registration Number: 8622-30-47033

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SECTION 1 * PHYSICAL DATA

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Boiling Point @ 76 mm Hg: N/A

Vapor Density (Air=1): N/A

Specific Gravity (H20=1): N/A

pH of Solutions: N/A

Freezing/Melting Point: N/A, N/A

Solubility: .2% @ 25 oC: DECOMPOSES

Bulk Density: N/A

Vapor Pressure: NEGLIGIBLE

Appearance and Odor: OFF-WHITE GRANULES OR 24g/2.5cm TABLETS; FAINT HALOGEN ODOR

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SECTION 2 * HAZARDOUS INGREDIENTS

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1-BROMO-3-CHLORO - 5,5 – DIMETHYLHYDANTOIN CAS# 32718-18-6

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SECTION 3 * FIRE AND EXPLOSION HAZARD DATA

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Flash Point F (Method Used): N/A

Flammable Limits in Air (% by Volume): LEL: NO DATA UEL: NO DATA

Extinguishing Media: CARBON DIOXIDE DRY CHEMICAL WATER SPRAY

Special Fire Fighting Procedures: USE WATER SPRAY TO COOL CONTAINERS EXPOSED TO FIRE. MINIMIZE EXPOSURE. DO NOT BREATHE FUMES. CONTAIN RUN OFF.

Unusual Fire and Explosion Hazards: OXIDIZING MATERIAL. FORMS EXPLOSIVE MIXTURES WITH COMBUSTIBLE, ORGANIC OR OTHER EASILY OXIDIZABLE MATERIALS. COMBUSTION GENERATES TOXIC FUMES OF THE FOLLOWING: HYDROGEN BROMIDE, BROMINE GAS, NITROGEN OXIDES, HYDROGEN CHLORIDE.

MSDS - S300P

Mar. 4, 2003

Rev. 3

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SECTION 4 * HEALTH HAZARD DATA

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MATERIAL IS SEVERE IRRITANT: AVOID ANY EXPOSURE TO EYES AND SKIN. AVOID INHALATION OF VAPORS

24-HOUR EMERGENCY ASSISTANCE: CHEMTREC 800-424-9300

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SECTION 5 * EFFECTS OF OVEREXPOSURE

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This section covers effects of overexposure for inhalation, eye/skin contact, ingestion and other types of overexposure information in the order of the most hazardous and the most likely route of overexposure.

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Permissible Exposure Limits: NONE

Toxicity Data: LD50 (oral, rat) ...... 929 mg/kg

LD50 (dermal, rat) ...... >2000 mg/kg

LC50 (inhalation, rat) ...... 1.11 mg/l/4hr

LC50 (96 hr, static, Bluegill sunfish) .... 0.46 mg/l

LC50 (96 hr, static, Rainbow trout) ...... 0.4 mg/l

LC50 (48 hr, static, Daphnia magna) ...... 0.75 mg/l

LD50 (oral, Bobwhite quail) ...... 1839 mg/kg

LC50 (dietary, Bobwhite quail) ...... >5620 ppm A.I.

LC50 (dietary, Mallard duck) ...... >5620 ppm A.I.

ACUTE: INHALATION AND INGESTION MAY BE FATAL.

Eye Contact: MATERIAL CAN CAUSE SEVERE IRRITATION - POSSIBLE PERMANENT INJURY.

Skin Contact: CONTACT WITH MOIST SKIN WILL CAUSE SEVERE SKIN BURNS. MATERIAL CAN CAUSE SUPERFICIAL BURNS AFTER PROLONGED CONTACT AND SENSITIZATION IN SUSCEPTIBLE INDIVIDUALS.

Ingestion: MAY BE FATAL

Inhalation: INHALATION OF DUST CAN CAUSE SEVERE IRRITATIONS OF NOSE THROAT AND LUNGS, SHORTNESS OF BREATH, HEADACHE, NAUSEA.

CHRONIC: THE EFFECTS OF CHRONIC EXPOSURE HAVE NOT BEEN STUDIED.

MSDS - S300P

Mar. 4, 2003

Rev. 3

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SECTION 6 * EMERGENCY AND FIRST AID PROCEDURES

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Inhalation: MOVE SUBJECT TO FRESH AIR. GIVE ARTIFICIAL RESPIRATION IF BREATHING HAS STOPPED.

Eye or Skin Contact: IMMEDIATELY FLUSH EYES WITH A LARGE AMOUNT OF WATER FOR AT LEAST 15 MINUTES. GET PROMPT MEDICAL ATTENTION. WASH AFFECTED SKIN AREAS THOROUGHLY. REMOVE AND WASH CONTAMINATED CLOTHING THOROUGHLY. CONSULT PHYSICIAN IF IRRITATION PERSISTS.

Ingestion: IF SWALLOWED, GIVE 2 GLASSES OF WATER TO DRINK. IMMEDIATELY SEE A PHYSICIAN. NEVER GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON.

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SECTION 7 * REACTIVITY DATA

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Stability: STABLE

Conditions to Avoid: TEMPERATURES ABOVE 160 oC/320 oF

Hazardous Polymerization: WILL NOT UNDERGO POLYMERIZATION.

Conditions to Avoid: HIGH TEMPERATURES

Incompatibility (Materials to Avoid): PAINTS, PETROLEUM, BASES, COMBUSTIBLE ORGANIC AND INORGANIC OXIDIZERS, REDUCING AGENTS.

Hazardous Decomposition Products: THERMAL DECOMPOSITION; HYDROGEN BROMIDE, BROMINE GAS, HYDROGEN CHLORIDE.

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SECTION 8 * SPILL OR LEAK PROCEDURES

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Steps to be Taken if Material is Spilled or Released: EVACUATE THE SPILL AREA. KEEP DUST TO A MINIMUM. TRANSFER SPILLED MATERIAL TO SUITABLE CONTAINERS FOR RECOVERY OR DISPOSAL. FLUSH CLEANED AREA WITH WATER TO A SEWAGE TREATMENT FACILITY. KEEP SPILLS AND CLEANING RUN-OFF OUT OF MUNICIPAL SEWERS AND OPEN BODIES OF WATER.

Waste Disposal Method: INCINERATE THIS MATERIAL AT A FACILITY THAT COMPLIES WITH LOCAL, STATE AND FEDERAL REGULATIONS.

MSDS - S300P

Mar. 4, 2003

Rev. 3

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SECTION 9 * SPECIAL PROTECTION INFORMATION

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Respiratory Protection: A RESPIRATORY PROTECTION PROGRAM MEETING OSHA 1910,134 AND ANSI Z88.2 REQUIREMENTS MUST BE FOLLOWED WHENEVER WORKPLACE CONDITIONS WARRANT A RESPIRATOR. WEAR MSHA/NIOSH APPROVED RESPIRATOR OR OTHER OSHA APPROVED HALF-MASK AIR PURIFYING RESPIRATOR WITH DUST AND MIST FILTERS.

Ventilation (Type): USE LOCAL EXHAUST VENTILATION WITH A MINIMUM CAPTURE VELOCITY OF 150 FT./MIN. AT THE POINT OF DUST OR MIST EVOLUTION.

Eye Protection: USE SAFETY GLASSES ANSI 287.1 OR EQUIVALENT.

Gloves: BUTYL RUBBER.

Other Protective Equipment: USE CHEMICALLY RESISTANT APRON OR OTHER IMPERVIOUS CLOTHING TO AVOID PROLONGED OR REPEATED SKIN CONTACT.

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SECTION 10 * SPECIAL PRECAUTIONS

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Precautions to be Taken During Handling and Storing: THE MINIMUM RECOMMENDED STORAGE TEMPERATURE FOR THIS MATERIAL IS 20 oC/68 oF THE MAXIMUM RECOMMENDED STORAGE TEMPERATURE FOR THIS MATERIAL IS 30 oC/86 oF. STORE IN A COOL, DARK, DRY AREA THAT IS WELL VENTILATED. DO NOT STORE NEAR COMBUSTIBLE MATERIAL. FACILITIES STORING OR UTILIZING THIS MATERIAL SHOULD BE EQUIPPED WITH AN EYE WASH FACILITY AND A SAFETY SHOWER.

Other Precautions: AVOID CONTACT WITH CLOTHING AND OTHER COMBUSTIBLE MATERIALS. THIS MATERIAL IS A SEVERE IRRITANT.

THE INFORMATION AND RECOMMENDATIONS IN THIS MATERIAL SAFETY DATA SHEET HAVE BEEN COMPILED FROM SOURCES BELIEVED TO BE RELIABLE AND TO REPRESENT THE BEST OPINION ON THE SUBJECT AS OF THE DATE ON THIS SHEET. HOWEVER, NO WARRANTY, GUARANTEE OR REPRESENTATION, EXPRESS OR IMPLIED, IS MADE BY CASCADE WATER SERVICES, INC. AS TO THE CORRECTNESS OR SUFFICIENCY OF THIS INFORMATION OR TO BE OBTAINED FROM THE USE THEREOF.