5-ETHYLIDENE-2-NORBORNENE
- CAS NO.:16219-75-3
- Empirical Formula: C9H12
- Molecular Weight: 120.19
- MDL number: MFCD24390166
- EINECS: 240-347-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-07-25 20:04:51
What is 5-ETHYLIDENE-2-NORBORNENE?
Chemical properties
clear colorless to yellow liquid
Chemical properties
5-Ethylidene- 2-norbornene is a colorless liquid with a turpentine-like odor. The Odor Threshold is 0.007 ppm.
The Uses of 5-ETHYLIDENE-2-NORBORNENE
5-Ethylidene-2-norbornene is used as a self healing agent for polymeric composites. It is also used to reinforce multiwalled carbon nanotubes.
The Uses of 5-ETHYLIDENE-2-NORBORNENE
Ethylidene norbornene is the third monomer in EPDM (ethylene–propylene diene monomer) elastomers.
The Uses of 5-ETHYLIDENE-2-NORBORNENE
As third monomer in EPDM (ethylene- propylene diene monomer)
Definition
A diene used as the third monomer in EPDM elastomers.
General Description
Colorless liquid with an odor of turpentine. Flash point 101°F. Floats on water.
Air & Water Reactions
Flammable. Insoluble in water.
Reactivity Profile
5-ETHYLIDENE-2-NORBORNENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions.
Hazard
Toxic.
Health Hazard
Inhalation of vapors causes headache, confusion, and respiratory distress. Ingestion causes irritation of entire digestive system. Aspiration causes severe pneumonia. Contact with liquid causes irritation of eyes and skin.
Fire Hazard
5-ETHYLIDENE-2-NORBORNENE is flammable.
Safety Profile
Moderately toxic by ingestion. Mildly toxic by inhalation and sh contact. Human systemic effects by inhalation: conjunctiva, olfactory, and taste changes. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Potential Exposure
5-Ethylidene-2-norbornene is used as the third monomer in terpolymer elastomers. Those engaged in the synthesis of pharmaceuticals; pesticides, or in the preparation of specialty resins.
Shipping
UN1993 Flammable liquids, n.o.s., Hazard Class: 3; Labels: 3-Flammable liquid, Technical Name Required.
Incompatibilities
May form explosive mixture with air. Reacts violently with strong oxidants. Violent reaction with oxygen and strong oxidizers. May accumulate static electrical charges, and may cause ignition of its vapors. The substance may polymerize. Inhibit peroxide formation with tert-butyl catechol. ENB should be stored in a nitrogen atmosphere since it reacts with oxygen
Waste Disposal
Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.
Properties of 5-ETHYLIDENE-2-NORBORNENE
Melting point: | -80.15°C |
Boiling point: | 146 °C(lit.) |
Density | 0.893 g/mL at 25 °C(lit.) |
vapor density | 4.1 (vs air) |
vapor pressure | 4.6 mm Hg ( 20 °C) |
refractive index | n |
Flash point: | 101 °F |
storage temp. | Flammables area |
solubility | Chloroform (Slightly), Hexanes (Slightly) |
form | Liquid |
color | Colorless to Almost colorless |
explosive limit | ~6.4% |
Water Solubility | Soluble in water (0.01% at 20C). |
Exposure limits | ACGIH: TWA 2 ppm; STEL 4 ppm NIOSH: Ceiling 5 ppm(25 mg/m3) |
Stability: | Volatile |
CAS DataBase Reference | 16219-75-3(CAS DataBase Reference) |
EPA Substance Registry System | 5-Ethylidene-2-norbornene (16219-75-3) |
Safety information for 5-ETHYLIDENE-2-NORBORNENE
Signal word | Danger |
Pictogram(s) |
Flame Flammables GHS02 Exclamation Mark Irritant GHS07 Health Hazard GHS08 Environment GHS09 |
GHS Hazard Statements |
H226:Flammable liquids H304:Aspiration hazard H315:Skin corrosion/irritation H332:Acute toxicity,inhalation H373:Specific target organ toxicity, repeated exposure H411:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273:Avoid release to the environment. P314:Get medical advice/attention if you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
Computed Descriptors for 5-ETHYLIDENE-2-NORBORNENE
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