CHEMICAL INTERNATIONAL

                        MATERIAL SAFETY DATA SHEET

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  PRODUCT IDENTIFICATION AND PREPARATION INFORMATION

PRODUCT NAME: C.I. Scalzoff                                       EFFECTIVE DATE: 10 Sep 2003

WHMIS CLASS: E, Corrosive

T.D.G. CLASSIFICATION: Phosphoric acid solution

UN: 1805        CLASS: 8(9,2) PG: III

MATERIAL USE: Liquid inhibited descaler





                                 HAZARDOUS INGREDIENTS

 INGREDIENTS               CAS #           Wt%          ACGTH-TLV            LC50        LD50

 Phosphoric Acid           7664-38-2         15-40%            N/A             TLV-1g/m3 1530 mg/kg Oral Rat









                                          PHYSICAL DATA

BOILING POINT(oC): N/A                                    COEF. OF WATER/OIL DIST.: N/A

VAPOUR PRESSURE (mm Hg): N/A                    SPECIFIC GRAVITY (H20=1): 1.203

VAPOUR DENSITY (Air=1): 3/4                     PERCENT VOLATILE (by vol.): Not Specified

SOLUBILITY IN WATER: 100%                       EVAPORATION RATE (H20=1): Not determined

PHYSICAL STATE: Liquid                          ODOUR THRESHOLD: Not determined

                                                FREEZING POINT(oC): N/A

PH (as supplied): <1

APPEARANCE AND ODOUR: Clear, colorless liquid. No particular odor.





                                FIRE AND EXPLOSION DATA

FLAMMABILITY: Non flammable

FLASH POINT (Deg C method): N/A

UEL: N/A                      LEL: N/A

HAZARDOUS COMBUSTION PRODUCTS: Emits toxic fumes of oxides of phosphorus.

MEANS OF EXTINCTION: As for surrounding fire.

SPECIAL FIREFIGHTING PROCEDURES: Use full protective clothing and self-contained breathing apparatus

FIRE AND EXPLOSION HAZARDS: None





                                        REACTIVITY DATA

CONDITIONS FOR CHEMICAL INSTABILITY: Stable

INCOMPATIBILITY: Oxidizing material, base, contact with alkaline materials, reactive metals

HAZARDOUS DECOMPOSITION PRODUCTS: At flame temperatures will emit toxic phosphorus oxide fumes.

REACTIVITY: None





                                               FIRST AID

EYE: Flush with plenty of water for at least 15 minutes. If irritation persists, get medical attention.

SKIN: Wash off with water. If irritation persists, get medical attention.

INHALATION: Remove from exposure. If breathing is difficult or discomfort persists, get medical attention.

INGESTION: Do not induce vomiting. Give large quantities of water, milk, egg whites or milk of magnesia. Get

medical attention.

                                                                                         C.I. SCALZOFF

                             TOXICOLOGICAL PROPERTIES

ROUTE OF ENTRY: Eyes, skin contact, inhalation, ingestion

EFFECTS OF ACUTE EXPOSURE:

EYE: Severe irritation, chemical burn likely. May cause permanent damage and possible blindness.

SKIN: Severe irritation, corrosive to tissue

INHALATION: Mist may cause severe irritation to eyes, throat and upper respiratory tract.

INGESTION: May cause severe burns to mouth, throat, esophagus, and stomach, nausea, vomiting. Risk of stomach

perforation, convulsions and coma.

EFFECTS OF CHRONIC EXPOSURE:

SKIN: Severe irritation, corrosive to tissue.

IRRITANCY: Irritant.

RESPIRATORY TRACT SENSITIZATION: See “Inhalation� above.

CARCINOGENICITY: Not specified

REPRODUCTIVE TOXIN: Not specified

TERATOGENICITY: Not specified

MUTAGENICITY: Not specified

SYNERGISTIC MATERIALS: Not specified

EXPOSURE LIMITS: Not specified





                                PREVENTATIVE MEASURES

GLOVES: Gloves should be worn.

EYE PROTECTION: Safety glasses with side shield.

RESPIRATORY PROTECTION: In severe exposure, use self-contained breathing apparatus.

OTHER PROTECTIVE EQUIPMENT: Coveralls should be worn.

ENGINEERING CONTROLS: None.

LEAK AND SPILL PROCEDURE: Dyke and salvage or neutralize. Soda ash and lime are neutralizing agents.

WASTE DISPOSAL: If material cannot be salvaged, it should be neutralized and discharged into a treatment system

in accordance with all local, provincial and federal regulations.

STORAGE REQUIREMENTS: Store in cool, dry and well-ventilated area in closed container away from heat

sources, metals and oxidizers.

HANDLING PROCEDURES: Same as above.





                       HMIS HAZARD RATING INFORMATION

 FLAMMABILITY                                   REACTIVITY                                     HEALTH







DISCLAIMER: Information for this material safety data sheet was obtained from sources

considered technically accurate and reliable. While every effort has been made to ensure full

disclosure of product hazards, in some cases, data is not available and is so stated. Since

conditions of actual product use are beyond the control of the supplier, it is assumed that the user

of this material has been full trained according to the mandatory requirements of WHIMIS. No

warranty, expressed or implied is made, and supplier will not be liable for any losses, injuries, or

consequential damage that may result from the use or reliance on any information contained in

this form.

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