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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
Formula
C9H12
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:
?
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
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
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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