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ChemicalBook--->CAS DataBase List--->121-46-0

121-46-0

121-46-0 Structure

121-46-0 Structure
IdentificationMore
[Name]

2,5-Norbornadiene
[CAS]

121-46-0
[Synonyms]

2,5-DICYCLOHEPTADIENE
2,5-NORBORNADIENE
2,5-NORBORNADINE
BICYCLO[2.2.1]-2,5-HEPTADIENE
BICYCLO[2.2.1]HEPTA-2,5-DIENE
Dicycloheptadiene
3,6-Methano-1,4-cyclohexadiene
8,9,10-trinorborna-2,5-diene
bicyclo(2.2.1)heptadiene
bicyclo[2.2.1]hepta-2,5-diene,(Norbornadiene)
Bicyclo[2.2.1]heptadiene
Norbornadiene
Norbornadine
Bicycol(2.2.1)hepta-2.5-diene (2.5-norbornadiene)
Bicyclo[2.2.1]hepta-2,5-diene, stabilized
Bicycloheptadiene
2,5-Nornornadiene, stabilized, 97+%
BICYCLOHEPTA-2,5-DIENE
2,5-NORBORNADIENE , STABILIZED WITH 250 PPM BHT
BICYCLO(2.2.1)HEPTA-2,5-DIENE (2,5-NORBORNADIENE)
[EINECS(EC#)]

204-472-0
[Molecular Formula]

C7H8
[MDL Number]

MFCD00082301
[Molecular Weight]

92.14
[MOL File]

121-46-0.mol
Chemical PropertiesBack Directory
[Appearance]

Clear colorless to slightly yellow liquid
[Melting point ]

-20--19°C
[Boiling point ]

89 °C(lit.)
[density ]

0.906 g/mL at 25 °C(lit.)
[vapor pressure ]

69 hPa (20 °C)
[refractive index ]

n20/D 1.470(lit.)
[Fp ]

12 °F
[storage temp. ]

Store below +30°C.
[solubility ]

Chloroform (Sparingly)
[form ]

A liquid
[color ]

Colorless to Almost colorless
[Odor]

Very diffusive, gassy-piney, camphoraceous-woody odor
[explosive limit]

1.6-6.3%(V)
[Water Solubility ]

Immiscible with water.
[λmax]

195nm(EtOH)(lit.)
[BRN ]

506224
[Stability:]

Volatile
[InChIKey]

SJYNFBVQFBRSIB-UHFFFAOYSA-N
[LogP]

2.67 at 25℃ and pH7
[Surface tension]

64.3-64.4mN/m at 900μg/L and 20.3℃
[CAS DataBase Reference]

121-46-0(CAS DataBase Reference)
[NIST Chemistry Reference]

2,5-Norbornadiene(121-46-0)
[EPA Substance Registry System]

121-46-0(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

F
[Risk Statements ]

R11:Highly Flammable.
[Safety Statements ]

S16:Keep away from sources of ignition-No smoking .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
[RIDADR ]

UN 2251 3/PG 2
[WGK Germany ]

2
[RTECS ]

RB6535000
[F ]

13
[Autoignition Temperature]

350 °C
[TSCA ]

Yes
[HazardClass ]

3
[PackingGroup ]

II
[HS Code ]

29021990
[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.
[Toxicity]

LD50 orl-rat: 890 mg/kg SHELL*
Hazard InformationBack Directory
[General Description]

A colorless liquid. Insoluble in water and less dense than water. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion, inhalation and skin absorption. When heated will polymerize and at decomposition emits acrid smoke and irritating fumes.
[Reactivity Profile]

2,5-NORBORNADIENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions. Violent explosions at low temperatures in ammonia synthesis gas units have been traced to the addition products of dienes and nitrogen dioxide [Bretherick, 5th Ed., 1995].
[Air & Water Reactions]

Highly flammable. Insoluble in water.
[Health Hazard]

Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
[Chemical Properties]

Clear colorless to slightly yellow liquid
[Uses]

Intermediate in prostaglandin synthesis.1
[Preparation]

2,5-Norbornadiene is of interest as a metal-binding ligand, whose complexes are useful for homogeneous catalysis. Norbornadiene can be formed by a Diels-Alder reaction between cyclopentadiene and acetylene.
[Purification Methods]

Purify the diene by distillation from activated alumina [Landis & Halpern J Am Chem Soc 109 1746 1987]. [Beilstein 5 IV 879.]
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

2,5-Norbornadiene(121-46-0).msds
Spectrum DetailBack Directory
[Spectrum Detail]

2,5-Norbornadiene(121-46-0)MS
2,5-Norbornadiene(121-46-0)1HNMR
2,5-Norbornadiene(121-46-0)13CNMR
2,5-Norbornadiene(121-46-0)IR1
2,5-Norbornadiene(121-46-0)IR2
2,5-Norbornadiene(121-46-0)Raman
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

2,5-Norbornadiene, 97%, stab with 250 ppm BHT(121-46-0)
[Sigma Aldrich]

121-46-0(sigmaaldrich)
[TCI AMERICA]

2,5-Norbornadiene  (stabilized with BHT),>97.0%(GC)(121-46-0)
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