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MATERIAL SAFETY DATA SHEET: Rhodimet AT 88

For Product Information: (800) 727-1019
For Emergencies: CHEMTREC (800) 424-9300 (US), (703) 527-3887 (International collect calls), or the Distribution Assistance Response Team ("DART") (800) 334-7577

1. COMPOSITION/INGREDIENT DESCRIPTION

OSHA
Chemical CAS # Hazardous(Y/N) Concentration(%)
2-Hydroxy -4-(Methylthio)      
Butanoic acid 583-91-5 Y >88
Water 7732-18-5 N <12

2. HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW: CORROSIVE TO EYES. MAY CAUSE SKIN AND RESPIRATORY TRACT IRRITATION.
Physical Appearance and Odor: Slightly brown viscous liquid, acrid odor

POTENTIAL HEALTH EFFECTS:
Acute Eye: Corrosive. Can cause permanent damage to the cornea.
Acute Skin: Low acute dermal toxicity. Can cause redness, inflammation and irritation on prolonged contact.
Acute Inhalation: Vapors can cause respiratory tract irritation.
Acute Ingestion: Harmful if ingested. May cause irritation, nausea, diarrhea and abdominal cramps.
Chronic Effects: None known.

3. FIRST AID MEASURES
Eye Contact: Hold eyelids open and flush with a steady, gentle stream of water for al least 15 minutes. Seek immediate medical attention, preferably with an ophthalmologist. If a physician is not immediately available, eye irrigation should be continued for an additional 15 minutes. If it is necessary to transport the patient to a physician and the eye needs to be bandaged, use a dry sterile cloth pad and cover both eyes.
Skin Exposure: Immediately wash with plenty of soap and water for at least 5 minutes. Seek medical attention if irritation develops or persists. Remove contaminated clothing and shoes and clean before re-use.
Inhalation: If respiratory irritation or distress occurs, remove victim to fresh air. Seek medical attention if respiratory irritation or distress continues.
Ingestion: If victim is conscious and alert, give 2-3 glasses of water to drink. Do not induce vomiting. Material may enter lungs and cause severe damage. Do not give anything by mouth to an unconscious person. To prevent aspiration of swallowed material, lay victim on side with head lower than waist. Persons attending victim should avoid direct contact with heavily contaminated clothing and vomitus. Wear impervious gloves while decontaminating skin and hair. Seek medical attention. Do not leave victim unattended.
Medical Conditions Possibly Aggravated by Exposure: Skin contact may aggravate existing skin diseases.
Notes to Physician: All treatments should be based on observed signs and symptoms of distress in the patient. Consideration should be give to the possibility that overexposure to materials other than this product may have occurred. Treat symptomatically. No specific antidote available.

4. FIRE FIGHTING MEASURES
Flash point: >121C (240F)
Flammability limits (vol/vol%): Lower: No data Upper: No data
Extinguishing Media: Dry chemical, foam, water, CO2
Special Fire Fighting Procedures: Firefighters should wear NIOSH/MSHA-approved self-contained breathing apparatus and full protective clothing. Cool containers exposed to fire with water.
Unusual Fire and Explosion Hazards: Product will burn under fire conditions.
Hazardous Decomposition Materials Under Fire Conditions: Oxides of carbon, oxides of sulfur, hydrogen sulfide

5. ACCIDENTAL RELEASE MEASURES
Evacuation Procedures and Safety: Wear appropriate protective gear for the situation. (See Personal Protection information in Section 7).
Cleanup and Disposal of Spill: Absorb with an inert absorbent. Sweep up and place in an appropriate closed container. Clean up residual material by washing area with water. Collect washings for disposal.
Environmental and Regulatory Reporting: Do not flush to drain.

6. HANDLING AND STORAGE
Maximum Storage Temperatures: 121C (240F)
Handling: Avoid breathing vapors. Avoid direct or prolonged contact with skin and eyes.
Storage: Store in tightly-closed, original container. Store in an area that is cool, dry, dark and well-ventilated.
Recommended container material: polyethylene. Container material(s) to avoid: glass, metal.

7. EXPOSURE CONTROLS/PERSONAL PROTECTION
Introductory Remarks: These recommendations provide general guidance for handling this product. Because specific work environments and material handling practices vary, safety procedures should be developed for each intended application.
Exposure Guidelines: The following limits apply to components of this material. No exposure limits were found for this product or any of its components.
Chemical
None
Engineering Controls: General area dilution/exhaust ventilation
Respiratory Protection: When respirators are required, select NIOSH/MSHA approved equipment based on actual or potential airborne concentrations and in accordance with regulatory standards and/or industrial recommendations. For reasonably foreseeable industrial end-uses of this material, respiratory protection should not be necessary.
Eye/Face Protection: A minimum of safety glasses with side shields is recommended.
Skin Protection: Skin contact should be minimized through the use of gloves and s uitable long-sleeved clothing.
Work Practice Controls: The following general measures should be taken when working or handling this material: 1)Do not store, use, and/or consume foods, beverages, tobacco products, or cosmetics in areas where this material is stored. 2) Wash hands and face carefully before eating, drinking, using tobacco, applying cosmetics, or using the toilet. 3) Wash exposed skin promptly to remove accidental splashes of contact with this material.

8. PHYSICAL AND CHEMICAL PROPERTIES
Physical and Chemical properties here represent typical properties of this product. Contact the manufacturer for exact specifications.

Physical Appearance: Slightly brown, viscous liquid
Odor: Acrid odor
pH: <1 at 100%
Specific Gravity: 1.21-1.23 at 25C (77F)
Water Solubility: Miscible
Melting Point Range: Not available
Boiling Point Range: Not available
Freezing Point Range: 10C (40F)
Vapor Pressure: <17 mm Hg at 20 C (68F)
Vapor Density: Not available
Viscosity: 105 centistokes at 25C(77F)

9. STABILITY AND REACTIVITY
Chemical Stability: This material is stable under normal handling and storage conditions described in Section 6.
Conditions to be Avoided: Extreme heat, open flame.
Materials/Chemicals to be Avoided: Strong bases, strong oxidizing agents, metals
Decomposition Temperature Range: 160C (320F)
Hazardous Decomposition Products: Oxides of carbon, oxides of sulfur, hydrogen sulfide
Hazardous Polymerization: Not applicable

10. TOXICOLOGICAL INFORMATION
Acute Eye Irritation: Corrosive (rabbit).
Acute Skin Irritation: Slightly irritating (4-hour exposure, rabbit), Moderately to severely irritating (24-hour exposure, rabbit). Not a sensitizer (human).
Acute Dermal Toxicity: LD50>2000 mg/kg, rabbit.
Acute Respi ratory Irritation: No data available.
Acute Inhalation Toxicity: No data available.
Acute Oral Toxicity: LD50=3478 mg/kg, rat.
Mutagenicity Testing: Negative in the Ames test.
Chronic Toxicity: This product does not contain any substances that are considered by OSHA, NTP, IARC or ACGIH to be "probable" or "suspected" human carcinogens. No additional test data found for product.

11. ECOLOGICALINFORMATION
Ecotoxicological Information: LC50=386mg/L/96-hour (rainbow trout), EC50=222 mg/L/48-hour (daphnia), EC50=82 mg/L/72-hour (algae).
Chemical Fate Information: No data available.

12. DISPOSAL CONSIDERATIONS
Waste disposal Method: Chemical additions, processing or otherwise altering this material may make the waste management information presented in this MSDS incomplete, inaccurate or otherwise inappropriate. Consult local regulations regarding the proper disposal of this material.
Container Handling and Disposal: Rinse containers before disposal.

13. TRANSPORTATION INFORMATION
Note: The listed transportation classification does not address regulatory variations due to changes in package size, mode of shipment or other regulatory descriptors.

TDG Status: Not Dangerous
IMO Status: Not Regulated
IATA Status: Not Regulated

14. REGULATORY INFORMATION
Inventory Status:
US (TSCA): Yes
Canada (DSL): Yes
Europe (EINECS/ELINCS): Yes
Australia (AICS): Yes
Japan (MITI): Yes
Korea (KECL): No

Where: Yes = all ingredients are listed on the inventory, Exempt = All ingredients are either on the inventory or exempt from the requirements of listing, No = Not determined, or one or more ingredients are not on the inventory and are not exemp t from listing.

US Inventory Issues: This product is exempt from TSCA because it is solely for FDA-regulated use
WHMIS Classification: D-2B (Toxic Material), E: Corrosive Material

This product has been classified in accordance with the hazard criteria of the CPR (Controlled Products Regulations) and the MSDS contains all the information required by the CPR.

15. OTHER INFORMATION
National Fire Protection Association ("NFPA") Hazard Ratings:
Health: 3 (Serious)
Flammability: 1 (Slight)
Instability: 0 (Minimal)
National Paint and Coatings Hazardous Materials Identification System ("HMIS") Hazard Ratings:
Health: 3 (Serious)
Flammability: 1 (Slight)
Reactivity: 0 (Minimal)
Reason for Revision(s): Format change
Disclaimer: The information and recommendations in this data sheet are believed to be correct and reliable.
However, the data are offered for consideration and verification by the user and Adisseo Canada Inc. offers no guarantee,
warranty or representation as to the accuracy or completeness of the data.

END OF MATERIAL SAFETY DATA SHEET


Date Prepared: December 1, 2000
Supercedes: February 16, 1996