Description

2,7-Dihydroxyfluoren-9-one (CAS No. 42523-29-5) is a high-purity organic compound with the molecular formula C₁₃H₈O₃. This yellow crystalline solid is a derivative of fluorenone, featuring hydroxyl groups at the 2 and 7 positions, which enhance its reactivity and utility in synthetic chemistry. With an IUPAC name of 2,7-dihydroxyfluoren-9-one, this compound is widely used as a building block in the synthesis of advanced materials, dyes, and pharmaceutical intermediates. Its high purity and consistent quality make it ideal for research and industrial applications requiring precise chemical properties. Store in a cool, dry place away from light to maintain stability.

Properties

• CAS Number: 42523-29-5
• Complexity: 274
• IUPAC Name: 2,7-dihydroxyfluoren-9-one
• InChI: InChI=1S/C13H8O3/c14-7-1-3-9-10-4-2-8(15)6-12(10)13(16)11(9)5-7/h1-6,14-15H
• InChI Key: CWHPQXRTQSNTRR-UHFFFAOYSA-N
• Exact Mass: 212.047344113
• Molecular Formula: C13H8O3
• Molecular Weight: 212.20
• SMILES: C1=CC2=C(C=C1O)C(=O)C3=C2C=CC(=C3)O
• Topological: 57.5
• Monoisotopic Mass: 212.047344113
• Synonyms: 42523-29-5, 2,7-dihydroxyfluoren-9-one, 610-035-9, 2,7-Dihydroxy-9-fluorenone, 2,7-dihydroxy-9H-fluoren-9-one, 2,7-dihydroxy-fluoren-9-one, MFCD00037141, ChemDivAM_000848, ChemDiv1_019145, Oprea1_047542, Compound 0356-0002, SCHEMBL539276, CHEMBL491290, BDBM25808, HMS641G05, DTXSID60402283, CWHPQXRTQSNTRR-UHFFFAOYSA-N, AC-350, AKOS003625057, FD70414, AS-14445, DB-024811, CS-0096802, EN300-113938, SR-01000390923, SR-01000390923-1, Z1464358023

Application

2,7-Dihydroxyfluoren-9-one serves as a key intermediate in the synthesis of organic electronic materials, including OLEDs and conductive polymers. Its hydroxyl groups enable functionalization for creating dyes and pigments with tailored optical properties. Researchers also utilize it in pharmaceutical development for constructing complex heterocyclic frameworks. Additionally, it finds use in analytical chemistry as a fluorescent probe due to its photophysical characteristics.

Safety and Hazards

GHS Hazard Statements

• H301 (11.1%): Toxic if swallowed [Danger Acute toxicity, oral]
• H302 (22.2%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (22.2%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H315 (55.6%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (55.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332 (22.2%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H335 (22.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P316, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (22.2%)
• Acute Tox. 4 (22.2%)
• Skin Irrit. 2 (55.6%)
• Eye Irrit. 2A (55.6%)
• Acute Tox. 4 (22.2%)
• STOT SE 3 (22.2%)

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