# Material Safety Data Sheet

Genetron ® 

# 32

MSDS Number: GTRN-0025 Page 1 of 

### 7

Current Issue Date: December, 2005 1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

PRODUCT NAME: Genetron ® 32

OTHER/GENERIC NAMES: R-32, HFC-32

PRODUCT USE: Refrigerant

MANUFACTURER: Honeywell

101 Columbia Road

Box 1053 Morristown, New Jersey 07962-1053

FOR MORE INFORMATION CALL: IN CASE OF EMERGENCY CALL: (Monday-Friday, 9:00am-5:00pm)

1-800-522-8001 (24 Hours/Day, 7 Days/Week)

Medical : 1-800-498-5701 Transportation : 1-800-424-9300

2. COMPOSITION/INFORMATION ON INGREDIENTS

INGREDIENT NAME CAS NUMBER WEIGHT %

Difluoromethane 75-10-5 100

Trace impurities and additional material names not listed above may also appear in Section 15 toward the end of the MSDS. These materials may be listed for local "Right-To-Know" compliance and for other reasons.

3. HAZARDS IDENTIFICATION



### EMERGENCY OVERVIEW: Flammable material. Co lorless, volatile li quid with ethereal and faint sweetish odor. Overexposure may cause dizziness and loss of concentration. At higher levels, CNS depression and cardiac arrh ythmia may result from exposure. Vapors displace air and can cause asphyxiation in conf ined spaces. At higher temperatures, (>250 ° C), decomposition products may include Hydrofluoric Acid (HF) and carbonyl halides

POTENTIAL HEALTH HAZARDS

SKIN: Irritation would result from a defatting action on tissue. Liquid contact could cause frostbite.

EYES: Liquid contact can cause severe irritation and frostbite. Mist may irritate.

INHALATION: Genetron 32 is low in acute toxicity in animals. When oxygen levels in air are reduced to 12–14% by displacement, symptoms of asphyx iation, loss of coordination, in creased pulse rate and deeper respiration will occur. At high le vels, cardiac arrhythmia may occur.

## MATERIAL SAFETY DATA SHEET 

# Genetron ® 

# 32

MSDS Number: GTRN-0025 Page 2 of 7 Current Issue Date: December, 2005 INGESTION: Ingestion is unlikely because of the low boiling point of the material. Should it occur, discomfort in the gastrointestinal tract from rapid evaporation of the material and consequent evolution of gas would result.

Some effects of inhalation and sk in exposure would be expected.

DELAYED EFFECTS: None known

Ingredients found on one of the OSHA designated carcinogen lists are listed below.

INGREDIENT NAME NTP STATUS IARC STATUS OSHA LIST No ingredients listed in this section

4. FIRST AID MEASURES

SKIN: Promptly flush skin with water until all chemical is removed. If there is evidence of frostbite, bathe (do not rub) with lukewarm (not hot) water. If water is not available, cover with a clean, soft cloth or similar covering. Get medical attention if symptoms persist.

EYES: Immediately flush eyes with large amounts of water for at least 15 minutes (in case of frostbite water should be lukewarm, not hot) lifting eyelids occasiona lly to facilitate irrigation. Get medical attention if symptoms persist.

INHALATION: Immediately remove to fresh air. If breathing has stopped, give artificial respiration. Use oxygen as required, provided a qualified operator is available. Get medical attention. Do not give epinephrine (adrenaline).

INGESTION: Ingestion is unlikely because of the physical properties and is not expect ed to be hazardous. Do not induce vomiting unless instructed to do so by a physician.

ADVICE TO PHYSICIAN: Because of the possible disturbances of car diac rhythm, catecholamin e drugs, such as epinephrine, should be used with special caution and only in situations of emergency life support. Treatment of overexposure should be directed at the control of symptoms and the

clinical conditions.

5. FIRE FIGHTING MEASURES

FLAMMABLE PROPERTIES

FLASH POINT: Gas, not applicable

FLASH POINT METHOD: Not applicable

AUTOIGNITION TEMPERATURE: >750 ° C UPPER FLAME LIMIT (volume % in air): 33.4% LOWER FLAME LIMIT (volume % in air): 12.7% FLAME PROPAGATION RATE (solids): Not applicable

OSHA FLAMMABILITY CLASS: Not applicable

EXTINGUISHING MEDIA: Use any standard agent – choose the one most appropriate for type of surrounding fire.

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MSDS Number: GTRN-0025 Page 3 of 7 Current Issue Date: December, 2005 UNUSUAL FIRE AND EXPLOSION HAZARDS: Contact with certain reactive metals may result in formation of explosive or exothermic reactions under specific conditions (e.g. very high temperatures and/or appropriate pressures).

SPECIAL FIRE FIGHTING PRECAUTIONS/INSTRUCTIONS: Firefighters should wear self-contained, NIOSH-approved breathing apparatus for protection against possible toxic decomposition products. Proper eye and skin protection should be provided. Use water spray to keep fire-exposed

containers cool.

6. ACCIDENTAL RELEASE MEASURES

IN CASE OF SPILL OR OTHER RELEASE: (Always wear recommended pe rsonal protective equipment.) Evacuate unprotected personnel. Protected personnel should remove ignition sources and shut off leak, if without risk, andprovide ventilation. Unprotected personnel should not return until air has been tested and determined safe, including lowlying areas.

Spills and releases may have to be reported to Federal and/ or local authorities. See Section 15 regarding reporting requirements.

7. HANDLING AND STORAGE

NORMAL HANDLING: (Always wear recommended pe rsonal protective equipment.) Avoid breathing vapors and liquid contact with eyes, skin or clothing. Do not puncture or drop cylinders, expose them to open flame or excessive heat. Use authorized cylinders only. Follow standard safety precautions for handling and use of compressed gas cylinders.

STORAGE RECOMMENDATIONS: Store in a cool, well-ventilated area of low fire risk and out of direct sunlight. Protect cylinder and its fittings from phys ical damage. Storage in subsurface locations should be avoided. Close valve tightly after use and when empty.

8. EXPOSURE CONTROLS /PERSONAL PROTECTION

ENGINEERING CONTROLS: Provide local ventilation at filling zones and areas where leak age is probable. Mechanical (general) ventilation may be adequate for other operating and storage areas.

PERSONAL PROTECTIVE EQUIPMENT

SKIN PROTECTION: Skin contact with refrigerant may cause frostbite. General work clothing and gloves (leather) should provide adequate protection. If prolonged contact with the liquid or gas is anticipated, insulated gloves constructed of PVA, neoprene or butyl rubber should be used. Any contaminated clothing should be promptly removed and washed before reuse.

EYE PROTECTION: For normal conditions, wear safety glasses. Where there is r easonable probability of liquid contact, wear chemical safety goggles.

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MSDS Number: GTRN-0025 Page 4 of 7 Current Issue Date: December, 2005 RESPIRATORY PROTECTION: None generally required for adequately ventilated work situations. For accidental release or non-ventilated situations, or release into confined space, where the concentration may be above the PEL of 1,000 ppm, use a self-contained, NIOSH - approved breathing apparatus or supplied air respirator. Fo r escape: use the former or a NIOSH-approved gas mask with organic vapor canister.

ADDITIONAL RECOMMENDATIONS:Where contact with liquid is likely, such as in a spill or leak, impervious boots and clothing should be worn. High doselevel warning signs are recommended for areas of principle exposure. Provide eyewash stations and quick-drench

shower facilities at convenient locations. For tank cleanin g operations, see OSHA regulations, 29 CFR 1910.132 and 29

CFR 1910.133.

EXPOSURE GUIDELINES

INGREDIENT NAME ACGIH TLV OSHA PEL OTHER LIMIT

Difluoromethane None None *1000 ppm TWA (8hr)

* = Limit established by Honeywell. ** = Workplace Environmenta l Exposure Level (AIHA). *** = Biological Exposure Index (ACGIH).

OTHER EXPOSURE LIMITS FOR POTENTIAL DECOMPOSITION PRODUCTS: Hydrogen Fluoride: ACGIH TLV: 2 ppm ceiling, 0.5 ppm TLV-TWA

9. PHYSICAL AND CHEMICAL PROPERTIES

APPEARANCE: Clear, colorless liquid and vapor

PHYSICAL STATE: Gas at ambient temperatures

MOLECULAR WEIGHT: 52

CHEMICAL FORMULA: CH 2 F 2 ODOR: Faint ethereal odor SPECIFIC GRAVITY (water = 1.0): 1.002 @ 26.7 ° (80 ° F) SOLUBILITY IN WATER (weight %): Unknown pH: Neutral

BOILING POINT: -51.7 ° C (-61 ° F)

FREEZING POINT: -136 ° C (-212 ° F)

VAPOR PRESSURE: 220.3 psia @ 70 ° F 504.8 psia @ 130 ° F VAPOR DENSITY (air = 1.0): 1.8

EVAPORATION RATE: >1 COMPARED TO: CCl 4 = 1

% VOLATILES: 100

FLASH POINT: Not applicable (Flash point method and additional flammability data are found in Section 5.)

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MSDS Number: GTRN-0025 Page 5 of 7 Current Issue Date: December, 2005 10. STABILITY AND REACTIVITY

NORMALLY STABLE? (CON DITIONS TO AVOID): The product is stable under normal conditions. Explosions may result if in the flammable range. Any source of high temperature, such as lighted cigarettes, flames, hot spots or welding may yield toxic and/or corrosive decomposition products.

INCOMPATIBILITIES: (Under specific conditions: e.g. very high temperatures and/or appropriate pressu res) – Freshly abraded aluminum surfaces (may cause strong exothermic reaction) . Chemically active metals: potassium, calcium, and powdered aluminum, magnesium and zinc.

HAZARDOUS DECOMPOSITION PRODUCTS: Halogens, halogen acids and possibly carbonyl halides.

HAZARDOUS POLYMERIZATION:

Will not occur.

11. TOXICOLOGICAL INFORMATION

IMMEDIATE (ACUTE) EFFECTS:

LC 50 : 4 hr. (rat) - > 520,000 ppm Cardiac Sensitization NOEL – 350,000 ppm

DELAYED (SUBCHRONIC AND CHRONIC) EFFECTS: Teratogenic NOEL (rat and rabbit) - 50,000 ppm Subchronic inhalation (rat) NOEL - 50,000 ppm

OTHER DATA: Not active in four genetic tests.

12. ECOLOGICAL INFORMATION

Degradability (BOD): Genetron 32 is a gas at room temperature; therefore, it is unlikely to remain in water.

Octanol Water Partition Coefficient: Unknown

13. DISPOSAL CONSIDERATIONS

RCRA

Is the unused product a RCRA hazardous waste if discarded? Not a hazardous waste If yes, the RCRA ID number is: Not applicable

OTHER DISPOSAL CONSIDERATIONS: Disposal must comply with federal, state, and local disposal or discharge laws. Genetron 32 is subject to U.S. Environmental Protection Agency Clean Air Act Regulations Section 608 in 40 CFR Part 82 regarding refrigerant recycling.

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MSDS Number: GTRN-0025 Page 6 of 7 Current Issue Date: December, 2005 The information offered here is for the product as shipped. Use and/or alterations to the product such as mixing with other materials may significantly change the char acteristics of the material and alter the RC RA classification and the proper disposa l

method.

14. TRANSPORT INFORMATION

US DOT HAZARD CLASS: US DOT PROPER SHIPPING NAME: Difluoromethane

US DOT HAZARD CLASS: 2.1 US DOT PACKING GROUP: Not applicable

US DOT ID NUMBER: UN3252

For additional information on shipping regula tions affecting this material, contact the information number found in Section 1.

15. REGULATORY INFORMATION

TOXIC SUBSTANCES CONTROL ACT (TSCA)

TSCA INVENTORY STATUS: Listed on the TSCA inventory

OTHER TSCA ISSUES: None

SARA TITLE III/CERCLA

"Reportable Quantities" (RQs) and/or "Threshold Planning Qu antities" (TPQs) exist for the following ingredients.

INGREDIENT NAME SARA/CERCLA RQ (lb.) SARA EHS TPQ (lb.) No ingredients listed in this section

Spills or releases resulting in the loss of any ingredient at or above its RQ re quires immediate notification to the National Response Center [(800) 424-8802] and to your Local Emergency Planning Committee.

SECTION 311 HAZARD CLASS: FIRE

IMMEDIATE

PRESSURE

SARA 313 TOXIC CHEMICALS : The following ingredients are SARA 313 "Toxic Chemicals". CAS numbers and weight percents are found in Section 2.

INGREDIENT NAME COMMENT No ingredients listed in this section

STATE RIGHT-TO-KNOW

In addition to the ingredients found in Section 2, th e following are listed for state right-to-know purposes.

INGREDIENT NAME WEIGHT % COMMENT No ingredients listed in this section

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MSDS Number: GTRN-0025 Page 7 of 7 Current Issue Date: December, 2005 ADDITIONAL REGULATORY INFORMATION: Genetron 32 is subject to U.S. Environmental Protectio n Agency Clean Air Act Regulations at 40 CFR Part 82.

WARNING: Contains Difluoromethane (HFC-32), a greenhouse gas which may contribute to global warming

Do Not vent to the atmosphere. To comply with provisions of th e U.S. Clean Air Act, any residual must be recovered.

WHMIS CLASSIFICATION (CANADA): This product has been evaluated in accordance with the hazard criteria of the CPR and the MSDS contains all the information required by the CPR.

FOREIGN INVENTORY STATUS:

EU – EINECS # 2008394

16. OTHER INFORMATION

CURRENT ISSUE DATE: December, 2005

PREVIOUS ISSUE DATE: February, 2003

CHANGES TO MSDS FROM PREVIOUS IS SUE DATE ARE DUE TO THE FOLLOWING: Section 1: Updated medical emergency number Section 8: Updated ACGIH-TLV for HF decomposition product

OTHER INFORMATION: HMIS Classification: Health – 1, Flammability – 2, Reactivity – 0 NFPA Classification: Health – 2, Flammability – 2, Reactivity – 0 ANSI/ASHRAE 34 Safety Group – A2

Regulatory Standards : 1. OSHA regulations for compressed gases: 29 CFR 1910.101 2. DOT classification per 49 CFR 172.101