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Anthracene's emission spectrum peaks at between 400 nm and 440 nm. It is also used in wood preservatives, insecticides, and coating materials. [citation needed] Anthracene is commonly used as a UV tracer in conformal coatings applied to printed wiring boards. The anthracene tracer allows the conformal coating to be inspected under UV light. [29]
Boiling point (°C) K b (°C⋅kg/mol) Freezing point (°C) K f ... 184.3 3.69 –5.96 –5.87 K b & K f [1] Lauric acid: 298.9 44 –3.9 Acetic acid: 1.04 117.9 3.14 ...
Acenaphthene was prepared for the first time in 1866 [4] by Marcellin Berthelot by reacting hot napthalene vapours with acetylene, and a year later he reproduced a similar reaction with ethylene as well as discovered acenaphthene in coal tar. [5]
Anthracene-9-carbaldehyde is the most common monoaldehyde derivative of anthracene. It is a yellow solid that is soluble in common organic solvents. It is prepared by Vilsmeier formylation of anthracene. [1] [2] The compound is also used as a building block for supramolecular assemblies. [3]
9-Anthracenemethanol is the derivative of anthracene with a hydroxymethyl group (CH 2 OH) attached to the 9-position. It is a colorless solid that is soluble in ordinary organic solvents. The compound can be prepared by hydrogenation of 9-anthracenecarboxaldehyde. It is a versatile precursor to supramolecular assemblies. [1]
A Polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings.Most are produced by the incomplete combustion of organic matter— by engine exhaust fumes, tobacco, incinerators, in roasted meats and cereals, [1] or when biomass burns at lower temperatures as in forest fires.
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.
C 9 H 9 N O 3: Molar mass: 179.175 g·mol −1 Appearance Slightly beige solid Density: 1.36 g/mL Melting point: 184 to 186 °C (363 to 367 °F; 457 to 459 K) Boiling point: 399 °C (750 °F; 672 K) Hazards GHS labelling: