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74-85-1

74-85-1 Structure

74-85-1 Structure
IdentificationMore
[Name]

ETHYLENE
[CAS]

74-85-1
[Synonyms]

ETHYLENE
Acetene
Athylen
bicarburettedhydrogen
Bicarburretted hydrogen
bicarburrettedhydrogen
C2H4
Elayl
Ethen
Ethylen
ethylene,refrigeratedliquid(cryogenicliquid)
etileno
Liquid ethyene
liquidethyene
liquidethylene
Olefiant gas
olefiantgas
R1150
R-1150
ETHYLENE, 99.5+%
[EINECS(EC#)]

200-815-3
[Molecular Formula]

C2H4
[MDL Number]

MFCD00008604
[Molecular Weight]

28.05
[MOL File]

74-85-1.mol
Chemical PropertiesBack Directory
[Appearance]

colourless gas
[Appearance]

Ethylene, an alkene is a colorless gas (at room temperature). Sweet odor. Minimum detectable odor 5 260 ppm.
[mp ]

−169 °C(lit.)
[bp ]

−104 °C(lit.)
[density ]

0.00126
[vapor density ]

0.97 (vs air)
[vapor pressure ]

35.04 atm ( 20 °C)
[refractive index ]

1.363
[Fp ]

-100 °C
[Stability:]

Stable. Highly flammable-note wide explosion limits. Incompatible with strong oxidizing agents. Readily forms explosive mixtures with air.
[FreezingPoint ]

-169.4℃
[Merck ]

13,3825
[CAS DataBase Reference]

74-85-1(CAS DataBase Reference)
[NIST Chemistry Reference]

Ethylene(74-85-1)
[EPA Substance Registry System]

74-85-1(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

F+,F
[Risk Statements ]

R12:Extremely Flammable.
R67:Vapors may cause drowsiness and dizziness.
[Safety Statements ]

S9:Keep container in a well-ventilated place .
S16:Keep away from sources of ignition-No smoking .
S33:Take precautionary measures against static discharges .
S46:If swallowed, seek medical advice immediately and show this container or label .
[RIDADR ]

UN 1962 2.1
[WGK Germany ]

-
[RTECS ]

KU5340000
[F ]

4.5-31
[HazardClass ]

2.1
[HS Code ]

29012100
[Safety Profile]

Suspected carcinogen. A simple asphyxiant. High concentrations cause anesthesia. A common air contaminant. It is phytotoxic. A very dangerous fire hazard when exposed to heat or flame. Moderate explosion hazard when exposed to flame. A flammable gas. To figh fire, stop flow of gas, use Co2, dry chemical, or fine water spray. Mixtures with aluminum chloride explode in the presence of nickel catalysts, methyl chloride, or nitromethane. Explosive reaction with bromotrichloromethane (at 120℃/51 bar), carbon tetrachloride (25-100°C/30 bar). Explosive reaction with chlorine catalyzed by sunlight or UV light or in the presence of mercury(I) oxide, mercury(Ⅱ) oxide, or silver oxide. Mixtures with chlorotrifluoroethylene polymerize explosively when exposed to 50 kV gamma rays at 308 krad/hr. Has been involved in industrial accidents. Violent polymerization is catalyzed by copper above 4OO0C/54 bar. Incompatible with AlCl3, (CC4 + benzoyl peroxide), (bromotrichloromethane + NCh), 03, CCl4, Cl2, NOx, tetrafluoroethylene trifluorohypofluorite. When heated to decomposition it emits acrid smoke and irritating fumes
[Hazardous Substances Data]

74-85-1(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

COKEOVENGAS
[Preparation Products]

Diethyl ether-->ETHYLENE OXIDE-->1,2-Dichloroethane -->Naphthalene-->Ethyl acrylate-->Tetrahydro-4H-pyran-4-one-->5,6-DIHYDRO-4-METHOXY-2H-PYRAN-->Tetrahydro-4-pyranol-->finishing agent for polyester fiber-->6-Chloro-2-tetralone
Hazard InformationBack Directory
[General Description]

A colorless gas with a sweet odor and taste. ETHYLENE(74-85-1) is lighter than air. ETHYLENE(74-85-1) is easily ignited and a flame can easily flash back to the source of the leak. Under prolonged exposure to fire or heat the containers may rupture violently and rocket. Can cause explosion.
[Reactivity Profile]

Peroxidizable monomer may initiate exothermic polymerization of the bulk material [Bretherick 1979. p. 160]. Ethylene in the presence of aluminum chloride may undergo a violent reaction [J. Inst. Pet. 33:254. 1947]. Ozone and ethylene react explosively [Berichte 38:3837]. Ethylene can polymerize at low pressure if catalyzed by titanium halides. (Sundaram, K. M, M. M. Shreehan, E. F. Olszewski. thylene. Kirk-Othmer Encyclopedia of Chemical Technology. John Wiley & Sons, Inc. 2001.)
[Air & Water Reactions]

Highly flammable.
[Hazard]

Highly flammable, dangerous fire and explosion risk; explosive limits in air 3–36% by volume. Simple asphyxiant; questionable carcinogen.
[Health Hazard]

Moderate concentration in air causes drowsiness, dizziness, and unconsciousness. Overexposure causes headache, drowsiness, muscular weakness.
[Potential Exposure]

Ethylene is used in production of fabricated plastics, antifreeze; making fibers; to manufacture ethylene oxide, polyethylene for plastics, alcohol, mustard gas and other organics. It is used to accelerate ripening of fruit; as an anesthetic; and for oxyethylene welding and cutting of metals
[First aid]

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit. If frostbite has occurred, seek medical attention immediately; do NOT rub the affected areas or flush them with water. In order to prevent further tissue damage, do NOT attempt to remove frozen clothing from frostbitten areas. If frostbite has NOT occurred, immediately and thoroughly wash contaminated skin with soap and water.
[Shipping]

UN1962 Ethylene, Hazard Class: 2.1; Labels: 2.1-Flammable gas; UN1038 Ethylene, refrigerated liquid (cryogenic liquid), Hazard Class: 2.1; Labels: 2.1- Flammable gas. Cylinders must be transported in a secure upright position, in a well-ventilated truck. Protect cylinder and labels from physical damage. The owner of the compressed gas cylinder is the only entity allowed by federal law (49CFR) to transport and refill them. It is a violation of transportation regulations to refill compressed gas cylinders without the express written permission of the owner.
[Incompatibilities]

A highly flammable gas at room temperature. Contact with oxidizers may cause explosive polymerization and fire. May be spontaneously explosive in sunlight or ultraviolet light when mixed with chlorine. Reacts violently with mixtures of carbon tetrachloride and benzoyl peroxide; bromotrichloromethane; aluminum chloride and ozone. Incompatible with acids, halogens, nitrogen oxides; hydrogen bromide; aluminum chloride; chlorine dioxide; nitrogen dioxide. May accumulate static electrical charges, and may cause ignition of its vapors.
[Waste Disposal]

Return refillable compressed gas cylinders to supplier
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

ethylene(74-85-1).msds
Spectrum DetailBack Directory
[Spectrum Detail]

ETHYLENE(74-85-1)ESR
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

74-85-1(sigmaaldrich)
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