1,3-CYCLOHEPTADIENE Chemical Properties

Melting point:

-110.4°C

Boiling point:

120-121 °C (lit.)

Density 

0.868 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.498(lit.)

Flash point:

52 °F

storage temp. 

2-8°C

Water Solubility 

619.2mg/L(temperature not stated)

BRN 

1847604

Safety Information

Hazard Codes 

F,Xn

Risk Statements 

11-65

Safety Statements 

16-23-24/25-62

RIDADR 

UN 3295 3/PG 2

WGK Germany 

3

F 

23

HazardClass 

3.1

PackingGroup 

II

MSDS

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1,3-CYCLOHEPTADIENE Usage And Synthesis

Uses

1,3-Cycloheptadiene was used in the preparation of enantiopure epoxy cycloheptenyl sulfones.

General Description

1,3-Cycloheptadiene is a 1,3-cycloalkadiene. Isomerization of highly strained (E,E)-1,3-cycloheptadiene was investigated through double bond rotation, and electrocyclic ring closure. [1,5] Sigmatropic hydrogen shifts in 1,3-cyclohepatdiene were studied by density functional calculations.

Purification Methods

Purify the diene by dissolving it in Et2O, washing with 5% HCl, H2O, drying (MgSO4), evaporating, and the residue is distilled under dry N2 through a semi-micro column (some foaming occurs) [Cope et al. J Am Chem Soc 79 6287 1957, UV: Pesch & Friess J Am Chem Soc 72 5756 1950]. [Beilstein 5 IV 390.]

1,3-CYCLOHEPTADIENE(4054-38-0)Related Product Information

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• 2,5-Norbornadiene
• 2,6,6-TRIMETHYL-2,4-CYCLOHEPTADIEN-1-ONE
• 1,3-CYCLOHEPTADIENE
• Dibenzo(a,d)cycloheptadiene-5-carboxamide,Dibenzo(a,d)(1,4)-cycloheptadiene-5-carboxamide
• Dibenzosuberone
• 2-(PHENYLSULFONYL)-1 3-CYCLOHEPTADIENE
• (R)-6-[(Z)-1-Butenyl]-1,4-cycloheptadiene
• cycloheptadiene
• 2,6,6-trimethyl-2,4-cycloheptadiene-1-one
• 3-(2-Phenylethenyl)-4,4-dimethyl-1,5-cycloheptadiene-1-carboxylic acid ethyl ester
• 4-Methoxy-4-(trimethylsilyloxy)-3-(phenylsulfonyl)-1,5-cycloheptadiene-1-carboxylic acid ethyl ester
• 4-Methoxy-4-(trimethylsilyloxy)-3-phenyl-1,5-cycloheptadiene-1-carboxylic acid methyl ester
• (3R)-3α-(2-Phenylethenyl)-4α-methyl-1,5-cycloheptadiene-1-carboxylic acid ethyl ester
• 2-Ethyl-1,3-cycloheptadiene
• 5,6-Dimethyl-3-(2-phenylethenyl)-1,5-cycloheptadiene-1-carboxylic acid ethyl ester
• 2-tert-Butyl-1,3-cycloheptadiene
• 6-Methylene-1,3-cycloheptadiene