CAS No.121-46-0,2,5-Norbornadiene Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	121-46-0
Name:	2,5-Norbornadiene
Article Data:	106

Formula:	C₇H₈
Molecular Weight:	92.1405
Synonyms:	2,5-Norbornadiene(8CI);3,6-Methano-1,4-cyclohexadiene;Bicyclo[2.2.1]heptadiene;NSC 13672;Norbornadiene;Bicyclo[2.2.1]hepta-2,5-diene;
EINECS:	204-472-0
Density:	1.003 g/cm³
Melting Point:	-20--19 °C
Boiling Point:	89.5 °C at 760 mmHg
Flash Point:	12 °F
Solubility:	Immiscible with water.
Appearance:	Clear colorless to slightly yellow liquid
Hazard Symbols:	F
Risk Codes:	11
Safety:	16-23
Transport Information:	UN 2251 3/PG 2
PSA:	0.00000
LogP:	1.74850

Synthetic route

: 278-06-8
quadricyclo[2.2.1.0.0]heptane

: 121-46-0
bicyclo[2.2.1]hepta-2,5-diene

Conditions

Conditions	Yield
x In nitromethane at 25℃;	100%
cadmium(II) sulphide In dichloromethane for 3h; Product distribution; Irradiation; other semiconducters, presence of methylviologen dication and diphenylamine;	1.8%
3,3-dimethyldioxirane In dichloromethane; acetone at 0℃; for 0.0166667h;	60 % Turnov.

: 278-06-8
tetracyclo-[3.2.0.0.2,7.04,6]heptane

: 121-46-0
bicyclo[2.2.1]hepta-2,5-diene

Conditions

Conditions	Yield
With 1-Cyanonaphthalene In methanol Irradiation;
dichloro(norbornadiene)palladium(II) In dichloromethane at 25℃; for 1h; Product distribution; Quantum yield; Mechanism; Irradiation; different Q concentration, solvent, times, intensity and wavelenght of irradiation, effect of free radical scavenger;
With 9,10-Dicyanoanthracene In hexane Quantum yield; Mechanism; Rate constant; Ambient temperature; Irradiation; exciplex isomerization, var. of sensitizer, solv.;
With aluminum oxide; 4-Aminosalicylic acid; tetrasodium (5,10,15,20-tetrakis(4-sulfonatophenyl)porphyrinato)cobalt(II) In pentane at 24℃; Rate constant; Thermodynamic data; ΔH(activation);
With trichlorostannylacetylene at 25℃; for 1h; Inert atmosphere;

(+-)-dimethyl-norborn-5-ene-2exo-yl-amine oxide: (+-)-dimethyl-norborn-5-ene-2exo-yl-amine oxide

: 121-46-0
bicyclo[2.2.1]hepta-2,5-diene

Conditions

Conditions	Yield
at 200℃; under 30 - 60 Torr;

(+-)-trimethyl-norborn-5-ene-2exo-yl-ammonium hydroxide: (+-)-trimethyl-norborn-5-ene-2exo-yl-ammonium hydroxide

: 121-46-0
bicyclo[2.2.1]hepta-2,5-diene

Conditions

Conditions	Yield
at 110 - 125℃; under 30 - 60 Torr;

: 27770-83-8
endo-2,3-bis(phenylsulfonyl)bicyclo<2.2.1>hept-5-ene

: 121-46-0
bicyclo[2.2.1]hepta-2,5-diene

Conditions

Conditions	Yield
With methanol; sodium dihydrogenphosphate; sodium amalgam Ambient temperature;	65%
With sodium dihydrogenphosphate; sodium amalgam In methanol Ambient temperature;	65%

: 132856-14-5
exo-3-deuteriobicyclo<2.2.1>hept-5-enyl tosylate

A: 74773-67-4, 92076-23-8
<2-D>Bicyclo<2.2.1>hepta-2,5-dien

B: 121-46-0
bicyclo[2.2.1]hepta-2,5-diene

Conditions

Conditions	Yield
With 18-crown-6 ether; potassium tert-butylate In various solvent(s) at 60℃; Yield given. Yields of byproduct given;
With 18-crown-6 ether; potassium tri-2-norbornylmethoxide In various solvent(s) at 60℃; Yield given. Yields of byproduct given;

: 75612-58-7
bicyclo<2.2.1>hepta-2,5-dien-2-yl p-tolyl sulfone

: 121-46-0
bicyclo[2.2.1]hepta-2,5-diene

Conditions

Conditions	Yield
With sodium dihydrogenphosphate; sodium amalgam In methanol at 18℃;	27%

: 278-06-8
quadricyclo[2.2.1.0.0]heptane

A: 121-46-0
bicyclo[2.2.1]hepta-2,5-diene

: exo-3-Oxa-4-thiatricyclo<4.2.1.02,5>non-7-ene 4-oxide

Conditions

Conditions	Yield
With sulfur dioxide In chloroform at 0℃; under 15 Torr; rotaevaporation;

: 278-06-8
tetracyclo-[3.2.0.0.2,7.04,6]heptane

A: 13041-10-6
7anti-Methoxy-norbornen-(2)

: 21516-65-4
3-methoxynortricyclene

C: 121-46-0
bicyclo[2.2.1]hepta-2,5-diene

Conditions

Conditions	Yield
With Rh(pnen)3(3+) In methanol Irradiation;	A n/a B n/a C 72%

...Expand

: 23979-29-5
exo-3,4-diazotricyclo[4.2.1.02,5]nona-3,7-diene

A: 121-46-0
bicyclo[2.2.1]hepta-2,5-diene

B: 278-06-8
quadricyclo[2.2.1.0.0]heptane

Conditions

Conditions	Yield
With 9,10-Dicyanoanthracene Irradiation;
With 9,10-Dicyanoanthracene In acetonitrile at 23℃; Product distribution; Mechanism; Irradiation; var. sensitizers and solvents;
In various solvent(s) at 144.85℃; Kinetics; Further Variations:; Temperatures;

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Chemistry

Product Categories: Functional Materials;Photochromic Compounds;Norbornene Derivatives ；Azobenzene, etc. (Photochromic Compounds);
Synonyms:bicyclo(2.2.1)heptadiene;bicyclo[2.2.1]hepta-2,5-diene,(Norbornadiene);Norbornadiene;2,5-DICYCLOHEPTADIENE;2,5-NORBORNADIENE ；8,9,10-trinorborna-2,5-diene;Bicyclo[2.2.1]heptadiene; 3,6-Methano-1,4-cyclohexadiene;
MF: C₇H₈
MW: 92.14
mp ： -20--19°C
bp ：89 °C(lit.)
EINECS: 204-472-0
density 0.906 g/mL at 25 ℃(lit.)
It is a bicyclic hydrocarbon.

Toxicity Data With Reference

1.	orl-rat LD50:890 mg/kg SHELL*
2.	ihl-rat LC50:14,100 ppm/8H	SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583)
3.	ipr-rat LD50:890 mg/kg	SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583)
4.	orl-mus LD50:3850 mg/kg	SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583)
5.	ihl-mus LC50:27,700 ppm/30M	SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583)
6.	ivn-mus LD50:56 mg/kg	CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#04158 .

Consensus Reports

EPA Extremely Hazardous Substances List. Reported in EPA TSCA Inventory.

Safety Profile

Poison by intravenous route. Moderately toxic by ingestion and intraperitoneal routes. Mildly toxic by inhalation. A flammable liquid. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes： F
HS Code ： 29021990
Risk Statements ： 11
Safety Statements ： 16-23
WGK Germany ：2
F ：13
HazardClass ： 3
RIDADR ： UN 2251 3/PG 2

Standards and Recommendations

DOT Classification: 3; Label: Flammable Liquid