ChemicalBook > CAS DataBase List > TROPONE

TROPONE

Product Name: TROPONE
CAS No.: 539-80-0
Chemical Name: TROPONE
Synonyms: cyclohepta-2,4,6-trien-1-one;2,4,6-CYCLOHEPTATRIEN-1-ONE;cyclohepta-2,4,6-trienone;Tropon;TROPONE;Tropone,97%;Cycloheptatrienone;LABOTEST-BB LT00233179;2,4,6-CYCLOHEPTATRIENONE;2,4,6-Cycloheptatriene-1-one
CBNumber: CB8724528
Molecular Formula: C7H6O
Formula Weight: 106.12
MOL File: 539-80-0.mol

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TROPONE Property

Melting point:: -7°C
Boiling point:: 113 °C/15 mmHg (lit.)
Density: 1.094 g/mL at 25 °C (lit.)
refractive index: n20/D 1.615(lit.)
Flash point:: >110°C
storage temp.: -20°C
solubility: sol ether, dioxane, acetone, benzene, toluene, xylene, MeCN, CCl4; miscible with water.
form: Liquid
color: very deep brown
BRN: 1902335

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Safety

Safety Statements: 24/25
WGK Germany: 3
F: 10-23

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 252832
Product name: Tropone
Purity: 97%
Packaging: 1g
Price: $89
Updated: 2025/07/31

Sigma-Aldrich

Product number: 252832
Product name: Tropone
Purity: 97%
Packaging: 5g
Price: $209.95
Updated: 2025/07/31

Biosynth Carbosynth

Product number: FC59201
Product name: 2,4,6-Cycloheptatrien-1-one
Packaging: 250mg
Price: $45
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FC59201
Product name: 2,4,6-Cycloheptatrien-1-one
Packaging: 500mg
Price: $70
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FC59201
Product name: 2,4,6-Cycloheptatrien-1-one
Packaging: 1g
Price: $115
Updated: 2021/12/16

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TROPONE Chemical Properties,Usage,Production

Uses

Tropone has been used in synthesis of:

bicyclic δ-lactones via heterocyclic carbine-catalyzed [8+3] annulation pathway
6,7-benzobicyclo [3.2.2] nona-3,6,8-trien-2-one via thermal addition to bezyne

Application

Tropone can be used to prepare the synthon of cycloheptadiene-1-one; it is used as the basis for the synthesis of cycloheptadiene compounds, fluorene compounds, polycyclic compounds, and natural products.

Preparation

2,4,6-cycloheptatrien-1-one (1) is a functionalized conjugated carbocyclic compound with diversified reactivity. The most popular and simple method of preparation involves oxidation of 1,3,5- Cycloheptatriene with Selenium(IV) Oxide-KH2PO4. Several other procedures have also been developed, among which electrooxidation of cycloheptatrienes and α-pyrone ring expansion via high-pressure cycloaddition of cyclopropenone acetals can be considered general methods of synthesis of tropones.

Synthesis Reference(s)

Journal of the American Chemical Society, 78, p. 5442, 1956 DOI: 10.1021/ja01601a077
The Journal of Organic Chemistry, 29, p. 960, 1964
Organic Syntheses, Coll. Vol. 9, p. 396, 1998

General Description

Metal-catalyzed [6+3] cycloaddition of tropone with azomethine ylides has been reported.

TROPONE Preparation Products And Raw materials

Raw materials

Preparation Products

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TROPONE Suppliers

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539-80-0, TROPONERelated Search:

TROPONE Tropolone GLORIOSINE Colchicine TROPOLONE TOSYLATE DEMECOLCINE Hinokitiol colchiceine 5-Dibenzosuberenone 5-Bromo-2-methoxy-tropone Cycloheptatriene 2-CHLORO-2,4,6-CYCLOHEPTATRIEN-1-ONE TRIMETHYLCOLCHICINIC ACID 3,7-dihydroxytropolone trimethylcolchicinic acid methyl ether COLCHICINE, [RING C, METHOXY-3H] 2-methoxy-5-(2',3',4'-trimethoxyphenyl)tropone COLCHICINE SALICYLATED

TROPONE

cyclohepta-2,4,6-trien-1-one

2,4,6-Cyclo-heptatriene-1-one

2,4,6-Cycloheptatriene-1-one

cyclohepta-2,4,6-trienone

Cycloheptatrienone

Tropon

2,4,6-CYCLOHEPTATRIEN-1-ONE

2,4,6-CYCLOHEPTATRIENONE

LABOTEST-BB LT00233179

Tropone,97%

2,4,6-CYCLOHEPTATRIEN-1-ONE 97%

Cycloheptane-2,4,6-triene-1-one

539-80-0

Carbonyl Compounds

C7 to C8

Building Blocks

Ketones

Organic Building Blocks