T89702

Tropolone

98%

• Synonym(s): 2-Hydroxy-2,4,6-cycloheptatrien-1-one
• Empirical Formula (Hill Notation): C₇H₆O₂
• CAS Number: 533-75-5
• Molecular Weight: 122.12
• Beilstein/REAXYS Number: 1904978
• EC Number: 208-577-2
• MDL number: MFCD00004158
• UNSPSC Code: 12352100
• PubChem Substance ID: 24900578
• NACRES: NA.22

Properties

• assay: 98%
• bp: 80-84 °C/0.1 mmHg (lit.)
• mp: 50-52 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: OC1=CC=CC=CC1=O
• InChI: 1S/C7H6O2/c8-6-4-2-1-3-5-7(6)9/h1-5H,(H,8,9)
• InChI key: MDYOLVRUBBJPFM-UHFFFAOYSA-N

Description

Application

Tropolone is a sensitive reagent for reducing sugars. It is also an organic chelator that can form complexes with trivalent lathanide ions (Eu³⁺, Gd³⁺, and Tb³⁺).
It can also be used as:

• A precursor to synthesize azulene derivatives such as methyl 2-methylazulene-1-carboxylate.
• A reagent to prepare fused heterocycles and complexes of Ga(III) and In(III).

Safety Information

• pictograms: GHS05,GHS07,GHS09
• signalword: Danger
• hcodes: H314,H317,H410
• pcodes: P260 - P272 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1B
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 3
• flash_point_f: 233.6 °F - closed cup
• flash_point_c: 112 °C - closed cup
• ppe: Eyeshields, Gloves, type N95 (US)