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| ProductName: | Propane |
| ChemicalName: | Propane |
| Formula: | C3H8 | 4 |
| ChemicalFamily: | Alkane (hydrocarbon) | 1 | 0 |
| Use: | Various |
| Synonyms: | Dimethylmethane, LP-Gas, Liquified petroleum gas (LPG) |
| ¨ ¨ |
| NFPA Fire: | 4 | HMIS Fire: | 4 | Acute: | No |
| NFPA Health: | 1 | HMIS Health: | 0 | Chronic: | No |
| NFPA Reactivity: | 0 | HMIS Reactivity: | 0 | Fire: | Yes |
| NFPA Special Hazard: | Mixture: | No | Reactive: | No |
| Sudden Release Pressure: | Yes |
| 02. INGREDIENTS - COMPOSITION & INFORMATION |
| PERCENT | EXPOSURE GUIDELINES |
| COMPONENT | CAS No. | (BY WT.) | OSHA - TWA | ACGIH - STEL |
| Propane | 74-98-6 | 99.0% | 100.0% | 1000 | Simple Asphyxiant |
| LD50: None. LC50: None. |
| 03. HAZARDS IDENTIFICATION |
| EMERGENCY OVERVIEW: |
| Warning: | Flammable liquid gas under pressure. |
| Can form explosive mixtures with air. |
| May cause frostbite. |
| Potential Health Effects Information: |
| Routes of Exposure: |
| Inhalation: | Simple asphyxiant. It should be noted that before suffocation could occur, the lower |
| flammability limit of propane in air would be exceeded; possibly causing both an |
| oxygen-deficient and explosive atmosphere. Exposure to concentrations (> 10%) |
| may cause dizziness. Exposure to atmospheres containing 8-10% or less oxygen |
| will bring about unconsciousness without warning, and so quickly that the individuals |
| cannot help or protect themselves. Lack of sufficient oxygen may cause serious |
| injury or death. |
| Eye Contact: | Contact with liquid or cold vapor can cause freezing of tissue. |
| Skin Contact: | Contact with liquid or cold vapor can cause frostbite. |
| Chronic Effects: | None. |
| Medical Conditions Aggravated By | None. |
| Overexposure: |
| Other Effects Of Overexposure: | None. |
| Carcinogenicity: | Propane is not listed by NTP, OSHA or IARC. |
| 04. FIRST AID MEASURES |
| Inhalation: | Persons suffering from lack of oxygen should be removed to fresh air. If victim is |
| not breathing, administer artificial respiration. If breathing is difficult, administer |
| oxygen. Obtain prompt medical attention. |
| Eye: | Contact with liquid or cold vapor can cause freezing of tissue. Gently flush eyes |
| with lukewarm water. Obtain medical attention immediately. |
| Skin: | Contact with liquid or cold vapor can cause frostbite. Immediately warm affected |
| area with lukewarm water not to exceed 105°F (40°C). |
| Ingestion: | None. |
| Notes To Physician: | None. |
| 05. FIRE FIGHTING MEASURES |
| Flash Point: | -156F (-104C) |
| Autoignition: | 842F (432C) |
| Flammable Limits - Lower: | 2.2% |
| Flammable Limits - Upper: | 9.5% |
| Extinguishing Media: | CO2, dry chemical, water spray or fog for surrounding area. Do not extinguish until |
| propane source is shut off. |
| Fire Fighting Instructions: | Evacuate all personnel from danger area. Immediately cool container with water |
| spray from maximum distance, taking care not to extinguish flames. If flames are |
| accidentally extinguished, explosive re-ignition may occur. Stop flow of gas if |
| without risk while continuing cooling water spray. |
| Fire And Explosion Hazards: | Propane is easily ignited. It is heavier than air, therefore, it may collect in low areas |
| or travel along the ground where an ignition source may be present. Pressure in a |
| container can build up due to heat, and it may rupture if pressure relief devices |
| should fail to function. |
| Hazardous Combustion Products: | None known. |
| Sensitivity To Static Discharge: | Possible, container should be grounded. |
| Sensitivity To Mechanical Impact: | None. |
| 06. ACCIDENTAL RELEASE MEASURES |
| Evacuate: | Evacuate the immediate area. Eliminate any possible sources of ignition, and |
| provide maximum explosion-proof ventilation. Shut off source of propane, if |
| possible. If leaking from cylinder, or valve, contact your supplier. Never enter a |
| confined space or other area where the concentration is greater than 10% of the |
| lower flammable limit which is 0.22%. |
| 07. HANDLING AND STORAGE |
| Storage: | Specific requirements are listed in NFPA 58. Cylinder storage locations should be |
| well-protected, well-ventilated, dry, and separated from combustible materials. |
| Cylinders should never knowingly be allowed to reach a temperature exceeding |
| 125°F (52°C). Cylinders of propane should be separated from oxygen cylinders or |
| other oxidizers by a minimum distance of 20 ft., or by a barrier of non-combustible |
| material at least 5 ft. high having a fire resistance rating of at least ½ hour. Full and |
| empty cylinders should be segregated. Use a first-in, first-out inventory system to |
| prevent full containers from being stored for long periods of time. |
| Cylinders should be stored upright with valve protection cap in place and firmly |
| secured to prevent falling or being knocked over. Protect cylinders from physical |
| damage; do not drag, roll, slide or drop. Use a suitable hand truck for cylinder |
| movement. Post "No Smoking or Open Flames" signs in the storage areas. There |
| should be no sources of ignition. All electrical equipment should be explosion proof |
| in the storage and use areas. Storage areas must meet national electric codes for |
| class 1 hazardous areas. |
| Handling: | Propane is heavier than air and may collect in low areas that are without proper |
| ventilation. Leak check system with leak detection solution, never with flame. If |
| user experiences difficulty operating cylinder valve, discontinue use and contact |
| supplier. Never insert an object (e.g., wrench, screwdriver, pry bar, etc.) into valve |
| cap openings. Doing so may damage valve, causing a leak to occur. Use an |
| adjustable strap wrench to remove over-tight or rusted caps. Non-sparking tools |
| should be used. Never strike an arc on a compressed gas cylinder or make a |
| cylinder a part of an electrical circuit. Electrically bond and ground cylinder when |
| transferring liquid product. For additional precautions in using propane see Section |
| 16 - Other Information. |
| 08. EXPOSURE CONTROLS - PERSONAL PROTECTION |
| Engineering Controls: |
| Ventilation: | Natural or mechanical to prevent accumulation in worker's breathing zone above |
| exposure limits. (See Section 2). |
| Personal Protective Equipment (PPE): |
| Clothing: | Cotton Clothing is recommended for use to prevent static electric buildup. |
| Glasses: | Safety glasses are recommended when handling cylinders. |
| Shoes: | Safety shoes are recommended when handling cylinders. |
| Gloves: | Work gloves are recommended when handling cylinders. |
| Respirator: | None required in general use. |
| Emergency Use: | Self-contained breathing apparatus (SCBA) or positive pressure airline with mask |
| are to be used in oxygen-deficient atmosphere. Respirators will not function. |
| Before entering area, you must check for flammable and oxygen deficient |
| atmospheres. |
| 09. PHYSICAL AND CHEMICAL PROPERTIES |
| Physical State: | Gas |
| Color: | Colorless |
| Odor: | Unodorized propane has a slightly sweet odor. If an odorant has been added it will |
| have a strong unpleasant odor. |
| Molecular Weight: | 44.097 |
| Boiling Point: | -43.67°F ( -42.04°C) @ 1 atm |
| Specific Gravity: | 1.5223 At 70°F (21.1°C) @ 1 atm, Air = 1 |
| Freezing/Melting Point: | -305.84F (-187.69C) at 1 atm |
| Vapor Pressure: | 109.73 psig, (756.56 kPa) at 70°F (21.2°) |
| Vapor Density: | 0.110 lb./cu ft (1.1.77kg/CuM), At 70°F (21.1°C) @ 1 atm |
| Water Solubility: | .065 Vol./Vol. At 100° F (37.8°C) |
| Expansion Ratio: | 1 to 290 at 70°F (21.1°C) |
| pH: | Not applicable |
| Odor Threshold: | 1800 mg/CuM |
| Evaporation Rate: | Not Applicable - Gas |
| Coefficient Of Water/Oil Distribution: | Information not available |
| 10. STABILITY AND REACTIVITY |
| Chemical Stability: | Stable |
| Conditions To Avoid: | None. |
| Incompatibility With Other Materials: | Oxidizing agents. |
| Hazardous Decomposition Products: | None. |
| Hazardous Polymerization: | Will not occur |
| 11. TOXICOLOGICAL INFORMATION |
| Other Studies Relevant To Material: | Propane is nontoxic and is a simple asphyxiant, however it does have slight |
| anesthetic properties and higher concentrations may cause dizziness. |
| Irritancy Of Material: | None. |
| Reproductive Effects: | None. |
| Teratogenicity: | None. |
| Synergistic Materials: | None. |
| Sensitization To Material: | None. |
| Mutagenicity: | None. |
| 12. ECOLOGICAL INFORMATION |
| ECOTOXICITY: | No adverse ecological effects are expected. Propane does not contain any Class I |
| or Class II Ozone depleting chemicals (40 CFR Part 82). Propane is not listed as a |
| marine pollutant by DOT (49 CFR Part 171). |
| 13. DISPOSAL CONSIDERATIONS |
| Waste Disposal Method: | Do not attempt to dispose of residual or unused quantities. Return cylinder to |
| supplier. |
| Residual product within process system may be burned at a controlled rate, if a |
| suitable burning unit (flare stack) is available on site. This shall be done in |
| accordance with federal, state, and local regulations. |
| 14. TRANSPORT INFORMATION |
| DOT/IMO Shipping Name: | Propane |
| HAZARD CLASS: | 2.1 (Flammable gas.) |
| Identification Number: | UN 1978* |
| PIN: | 1978 |
| Product RQ: | None. |
| Shipping Label: | Flammable Gas. |
| Placard (When Required): | Flammable gas. |
| Special Shipping Information: | Cylinders should be transported in a secure position, in a well ventilated vehicle. |
| The transportation of compressed gas cylinders in automobiles or in closed-body |
| vehicles can present serious hazards and should be discouraged. |
| Special Shipping Information | *For domestic transportation only: The identification number UN 1075 may be used |
| in place of the identification number UN 1978. The identification number used |
| must be consistent on package markings, shipping papers, and emergency response |
| information (Special provision 19 from 49 CFR 172.101). |
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