Ethylidene norbornene |
Synonyms & Trade Names ENB, 5-Ethylidenebicyclo(2.2.1)hept-2-ene, 5-Ethylidene-2-norbornene [Note: Due to its reactivity, ENB may be stabilized with tert-butyl catechol.] |
CAS No. 16219-75-3 |
RTECS No. RB9450000 |
DOT ID & Guide |
FormulaC9H12 |
Conversion 1 ppm = 4.92 mg/m3 |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: C 5 ppm (25 mg/m3)
OSHA PEL†: none |
Measurement Methods
None available
See: NMAM or OSHA Methods |
Physical Description Colorless to white liquid with a turpentine-like odor. |
MW: 120.2 |
BP: 298°F |
FRZ: -112°F |
Sol: ? |
VP: 4 mmHg |
IP: ? |
Sp.Gr: 0.90 |
Fl.P(oc): 101°F |
UEL: ? |
LEL: ? |
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| Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F. |
Incompatibilities & Reactivities Oxygen [Note: ENB should be stored in a nitrogen atmosphere since it reacts with oxygen.] |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, nose, throat; headache; cough, dyspnea (breathing difficulty); nausea, vomiting; olfactory, taste changes; chemical pneumonitis (aspiration liquid); in animals: liver, kidney, urogenital injury; bone marrow effects |
Target Organs Eyes, skin, respiratory system, central nervous system, liver, kidneys, urogenital system, bone marrow |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: Daily
Remove: When wet or contaminated
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0473
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