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5-ethylidene-2-norbornene (mixture of endo and exo)
5-ethylidenebicyclo[2,2,1]hept-2-ene

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Name:(5E)-5-ethylidenebicyclo[2.2.1]hept-2-ene
CAS Number: 16219-75-3Picture of molecule3D/inchi
Other(deleted CASRN):1135584-95-0
ECHA EINECS - REACH Pre-Reg:240-347-7
FDA UNII: Q4D40UVR0R
Nikkaji Web:J14.767B
Beilstein Number:2039935
MDL:MFCD00167576
XlogP3-AA:2.20 (est)
Molecular Weight:120.19464000
Formula:C9 H12
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:indirect food additives: adhesives and components of coatings
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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DG SANTE Food Contact Materials:5-ethylidenebicyclo[2,2,1]hept-2-ene
FDA Mainterm (IAUFC):16219-75-3 ; 5-ETHYLIDENE-2-NORBORNENE
 
Physical Properties:
Appearance:colorless to pale yellow clear liquid (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:0.89700 to 0.89900 @ 20.00 °C.
Pounds per Gallon - (est).: 7.473 to 7.489
Refractive Index:1.49000 to 1.49200 @ 20.00 °C.
Flash Point: 101.00 °F. TCC ( 38.33 °C. )
Soluble in:
 water, 8.9 mg/L @ 25 °C (exp)
 
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
BOC Sciences
For experimental / research use only.
5-Ethylidene-2-norbornene, mixture of endo and exo 95%
Santa Cruz Biotechnology
For experimental / research use only.
5-Ethylidene-2-norbornene, mixture of endo and exo
Sigma-Aldrich: Aldrich
For experimental / research use only.
5-Ethylidene-2-norbornene
TCI AMERICA
For experimental / research use only.
5-Ethylidene-2-norbornene >98.0%(GC)
 
Safety Information:
Preferred SDS: View
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-mouse LD50 3250 mg/kg
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 18(10), Pg. 52, 1974.

intraperitoneal-rat LD50 2830 uL/kg
National Technical Information Service. Vol. OTS0536403

oral-rat LD50 2830 uL/kg
American Industrial Hygiene Association Journal. Vol. 30, Pg. 470, 1969.

Dermal Toxicity:
skin-rabbit LD50 9170 uL/kg
American Industrial Hygiene Association Journal. Vol. 30, Pg. 470, 1969.

Inhalation Toxicity:
inhalation-guinea pig LC50 2896 ppm/4H
BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE
Toxicology and Applied Pharmacology. Vol. 20, Pg. 250, 1971.

inhalation-human TCLo 6 ppm/30M
SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION SENSE ORGANS AND SPECIAL SENSES: CONJUNCTIVE IRRITATION: EYE SENSE ORGANS AND SPECIAL SENSES: CHANGE IN FUNCTION: TASTE
Toxicology and Applied Pharmacology. Vol. 20, Pg. 250, 1971.

inhalation-mouse LC50 732 ppm/4H
BEHAVIORAL: MUSCLE WEAKNESS
Toxicology and Applied Pharmacology. Vol. 20, Pg. 250, 1971.

inhalation-rabbit LC50 3104 ppm/4H
SENSE ORGANS AND SPECIAL SENSES: ULCERATED NASAL SEPTUM: OLFACTION
Toxicology and Applied Pharmacology. Vol. 20, Pg. 250, 1971.

inhalation-rat LC50 1246 ppm/4H
BEHAVIORAL: MUSCLE WEAKNESS
Toxicology and Applied Pharmacology. Vol. 20, Pg. 250, 1971.

 
Safety in Use Information:
Category:
indirect food additives: adhesives and components of coatings
Recommendation for 5-ethylidene-2-norbornene (mixture of endo and exo) usage levels up to:
 not for fragrance use.
 
Recommendation for 5-ethylidene-2-norbornene (mixture of endo and exo) flavor usage levels up to:
 not for flavor use.
 
Safety References:
EPI System: View
NIOSH International Chemical Safety Cards:search
NIOSH Pocket Guide:search
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):16219-75-3
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :5365543
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:2
(5E)-5-ethylidenebicyclo[2.2.1]hept-2-ene
Chemidplus:0016219753
EPA/NOAA CAMEO:hazardous materials
RTECS:16219-75-3
 
References:
 (5E)-5-ethylidenebicyclo[2.2.1]hept-2-ene
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:16219-75-3
Pubchem (cid):5365543
Pubchem (sid):134993725
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Indirect Additives used in Food Contact Substances:View
CHEMBL:View
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2902.90.3050
ChemSpider:View
 
Potential Blenders and core components note
None Found
 
Potential Uses:
None Found
 
Occurrence (nature, food, other):note
 not found in nature
 
Synonyms:
 bicyclo(2.2.1)hept-2-ene, 5-ethylidene-
 ethylidene norbornene
5-ethylidene-2-norbornene
5-ethylidene-8,9,10-trinorborn-2-ene
5-ethylidenebicyclo[2,2,1]hept-2-ene
(5E)-5-ethylidenebicyclo[2.2.1]hept-2-ene
 
 
Notes:
None found
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