Valeraldehyde: Reactive Aldehyde Intermediate
Valeraldehyde is volatile flammable aldehyde liquid used for synthesizing fragrances which undergoes rapid self-condensation catalyzed by titanium dioxide.
Jun 4，2026 Chemical Reagents
Lewis Structure of NH2+
NH2+ is a polar molecule. Its Lewis structure consists of a central nitrogen atom (N), two hydrogen atoms (H) in the outer shell, and a positive charge in the outermost shell.
Jun 3，2026 API
Lewis Structure and Chemical Properties of Fluoride Ions (F-)
Fluoride ions (F-) are the monatomic anion of fluorine and one of the most fundamental and important ions in inorganic chemistry.
Jun 3，2026 Analytical Chemistry
Physicochemical Properties and Synthesis of Phenylmagnesium bromide
Phenylmagnesium bromide is generally prepared through the addition reaction of bromobenzene with metallic magnesium at elevated temperatures.
Jun 3，2026 API
7-Hydroxycoumarin: Fluorescent Natural Coumarin
7-Hydroxycoumarin is a stable fluorescent natural coumarin compound widely applied in fluorescence analysis, cosmetics and fine chemical synthesis.
Jun 3，2026 Natural Products
DL-Mandelic Acid: Racemic Aromatic Hydroxy Acid
DL-Mandelic acid is a stable racemic hydroxy acid widely used for chiral resolution and drug synthesis and it can be converted into low-toxicity ionic liquids.
Jun 3，2026 Organic Acids
Is the formate ion (HCO2-) polar?
Unlike molecules with fixed bonding frameworks, HCO2- relies entirely on resonances to achieve maximum structural stability.
Jun 2，2026 Biochemical Engineering
Lewis Structure and Polarity of Sulfur Difluoride
Sulfur difluoride (SF2) is a polar molecule. Its Lewis structure consists of a central sulfur atom (S) and two surrounding fluorine atoms (F).
Jun 2，2026 API
Lewis Structure of Aluminum Fluoride
Aluminum fluoride (molecular formula AlF3) is a nonpolar molecule. As a monomer, its Lewis structure is a highly symmetrical planar equilateral triangle.
Jun 2，2026 API
Lewis Structure and Resonance Structure of Ozone (O3)
Ozone (O3) is a reactive allotrope of oxygen, widely distributed in the Earth's stratosphere and troposphere.
Jun 2，2026 Inorganic chemistry