5-ethylidene-2-norbornene

Modify Date: 2025-08-21 09:50:39

5-ethylidene-2-norbornene structure	Common Name	5-ethylidene-2-norbornene
	CAS Number	16219-75-3	Molecular Weight	120.19200
	Density	0.893 g/mL at 25 °C(lit.)	Boiling Point	146 °C(lit.)
	Molecular Formula	C₉H₁₂	Melting Point	-80 °C
	MSDS	Chinese USA	Flash Point	101 °F
	Symbol	GHS02, GHS07, GHS08, GHS09	Signal Word	Danger

Name	5-ethylidene-2-norbornene
Synonym	More Synonyms

Density	0.893 g/mL at 25 °C(lit.)
Boiling Point	146 °C(lit.)
Melting Point	-80 °C
Molecular Formula	C₉H₁₂
Molecular Weight	120.19200
Flash Point	101 °F
Exact Mass	120.09400
LogP	2.52870
Vapour density	4.1 (vs air)
Vapour Pressure	5.98mmHg at 25°C
Index of Refraction	n20/D 1.49(lit.)
Storage condition	Flammables area

5-ethylidene-2-norbornene MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RB9450000

CHEMICAL NAME :: 2-Norbornene, 5-ethylidene-

CAS REGISTRY NUMBER :: 16219-75-3

LAST UPDATED :: 199712

DATA ITEMS CITED :: 28

MOLECULAR FORMULA :: C9-H12

MOLECULAR WEIGHT :: 120.21

WISWESSER LINE NOTATION :: L55 A CY FUTJ CU2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Open irritation test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 11/28/1967 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Human

DOSE/DURATION :: 6 ppm/30M

TOXIC EFFECTS :: Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Sense Organs and Special Senses (Eye) - conjunctive irritation Sense Organs and Special Senses (Taste) - change in function

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 20,250,1971

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2830 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1246 ppm/4H

TOXIC EFFECTS :: Behavioral - muscle weakness

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 20,250,1971

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2830 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536403

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 18(10),52,1974

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 732 ppm/4H

TOXIC EFFECTS :: Behavioral - muscle weakness

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 20,250,1971

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 3104 ppm/4H

TOXIC EFFECTS :: Sense Organs and Special Senses (Olfaction) - ulcerated nasal septum

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 20,250,1971

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 9170 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 2896 ppm/4H

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - convulsions or effect on seizure threshold

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 20,250,1971 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 90 ppm/7H/88D-I

TOXIC EFFECTS :: Liver - changes in liver weight Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 20,250,1971

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 350 ppm/6H/11D-I

TOXIC EFFECTS :: Endocrine - changes in thyroid weight Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536403

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 61 ppm/7H/89D-I

TOXIC EFFECTS :: Liver - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other transferases

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536403 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

DOSE :: 100 ppm/6H

SEX/DURATION :: female 6-15 day(s) after conception

REFERENCE :: IOMTE3 International Journal of Occupational Medicine and Toxicology. (Princeton Scientific Publishing, POB 2155, Princeton, NJ 08543) V.3(2)- 4(4), 1994-95 Volume(issue)/page/year: 4,371,1995 *** REVIEWS *** ACGIH TLV-CL 25 mg/m3 (5 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-BELGIUM:STEL 5 ppm (25 mg/m3) JAN 1993 OEL-DENMARK:STEL 5 ppm (25 mg/m3) JAN 1993 OEL-FINLAND:TWA 5 ppm (25 mg/m3);STEL 10 ppm (50 mg/m3) JAN 1993 OEL-FRANCE:STEL 5 ppm (25 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 5 ppm (25 mg/m3) JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO ETHYLIDENE NORBORNENE-air:CL 5 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M3889 No. of Facilities: 22 (estimated) No. of Industries: 1 No. of Occupations: 20 No. of Employees: 1988 (estimated)

Symbol	GHS02, GHS07, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H226-H304-H315-H332-H373-H411
Precautionary Statements	P273-P301 + P310-P331
Target Organs	Liver, Testes
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn
Risk Phrases	R10
Safety Phrases	S16-S26-S36/37/39
RIDADR	UN 2929 6.1/PG 2
WGK Germany	2
RTECS	RB9450000
Packaging Group	III
Hazard Class	3
HS Code	2902199090

Precursor 0
DownStream 4
CAS#:2146-40-9 3-ethylidenebic... CAS#:22482-71-9 1-(2,3,4,5,6,7-... CAS#:2146-41-0 5-Ethylnorbornane CAS#:31996-78-8 herbal heptane

HS Code	2902199090
Summary	2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Comparative acute toxicity and primary irritancy of the ethylidene and vinyl isomers of norbornene.

J. Appl. Toxicol. 17(4) , 211-21, (1997)

The acute toxicity and primary irritancy of the industrial chemicals 5-ethylidene-2-norbornene (ENB) and 5-vinyl-2-norbornene (VNB) were studied. They are of moderate acute peroral toxicity in the rat...

Short-term and subchronic repeated exposure studies with 5-ethylidene-2-norbornene vapor in the rat.

J. Appl. Toxicol. 17(4) , 197-210, (1997)

5-Ethylidene-2-norbornene (ENB) is an industrial chemical whose physical properties indicate a likelihood for vapor exposure to humans. The potential for target organ or cumulative toxicity was invest...

Environmental assessment of 5-ethylidene-2-norbornene using modeled and measured fate and effects results.

Chemosphere 56(3) , 285-97, (2004)

Several predictive models were used to assess aquatic exposure, persistence (P) and potential for long-range transport (LRT) of 5-ethylidene-2-norbornene (ENB). Such estimations are components of the ...

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-ethylidene-2-norbornene
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 5-ethylidene-2-norbornene
Price: ￥118.0/25ml ￥338.0/100ml
Purity: 98.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Ethylidene-2-norbornene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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5-ethylidene-2-norbornene

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The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.