2,5-Norbornadiene

Description

2,5-Norbornadiene · CAS 16422-76-7 · C7H8. UNII W9ZTQ75ZUS. Flash Point: -6 °F (NFPA, 2010); Vapor Pressure: 25.5 [mmHg]; LogP: 2.67.

Identification

CAS Registry Number	16422-76-7
PubChem CID	8473
Molecular formula	C7H8
IUPAC name	bicyclo[2.2.1]hepta-2,5-diene
UNII (FDA)	W9ZTQ75ZUS

Computed Descriptors

Molecular Weight	92.14
XLogP3	2.1
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	92.062600255
Monoisotopic Mass	92.062600255
Topological Polar Surface Area	0
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Flash Point	-6 °F (NFPA, 2010)
Vapor Pressure	25.5 [mmHg]
LogP	2.67

Physical description & handling notes

• 2,5-norbornadiene, stabilized appears as 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.
• Liquid
• Liquid with a foul odor; [Merck Index] Colorless liquid; [CAMEO]

GHS Hazard Classification

Reported hazard statements	H225 (100%), H314 (13.1%), H318 (13.1%)

Documented Uses

• Used to make synthetic rubber; [ChemIDplus] Used in organic, organometallic, and petrochemical synthesis; Used as an intermediate for aldrin; [Merck Index]
• Pharmaceutical and Medicine Manufacturing
• Bicyclo[2.2.1]hepta-2,5-diene: ACTIVE

Synonyms

2,5-Norbornadiene; Bicyclo[2.2.1]hepta-2,5-diene; 121-46-0; Norbornadiene; Dicycloheptadiene; BICYCLO(2.2.1)HEPTA-2,5-DIENE; Bicyclo(2.2.1)heptadiene; UN2251; W9ZTQ75ZUS; 3,6-Methano-1,4-cyclohexadiene; NSC-13672; DTXSID1059523; UN-2251; Bicyclo[2.2.1]heptadiene; RefChem:83016; DTXCID6033669

Frequently Asked Questions

What are the CAS number and molecular formula of 2,5-Norbornadiene?

CAS 16422-76-7; molecular formula C7H8; molecular weight — g/mol.

What other names is 2,5-Norbornadiene known by?

2,5-Norbornadiene, Bicyclo[2.2.1]hepta-2,5-diene, 121-46-0, Norbornadiene, Dicycloheptadiene, BICYCLO(2.2.1)HEPTA-2,5-DIENE.

Is 2,5-Norbornadiene classified as hazardous?

Hazard statements reported: H225, H314, H318.

What are the key physical properties of 2,5-Norbornadiene?

Flash Point: -6 °F (NFPA, 2010); Vapor Pressure: 25.5 [mmHg]; LogP: 2.67.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.