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  2. p-Phenylenediamine - Wikipedia

    en.wikipedia.org/wiki/P-Phenylenediamine

    p-Phenylenediamine (PPD) is an organic compound with the formula C 6 H 4 (NH 2) 2. This derivative of aniline is a white solid, but samples can darken due to air oxidation. [1] It is mainly used as a component of engineering polymers and composites like kevlar. It is also an ingredient in hair dyes and is occasionally used as a substitute for ...

  3. 4-Aminodiphenylamine - Wikipedia

    en.wikipedia.org/wiki/4-Aminodiphenylamine

    4-Aminodiphenylamine is a diphenylamine with an additional amine substituent.This dimer of aniline has various industrial uses, including as a hair dye ingredient, but also has raised concerns about toxicity by skin contact. [1]

  4. Color Developing Agent 1 - Wikipedia

    en.wikipedia.org/wiki/Color_Developing_Agent_1

    Color Developing Agent 1 (CD-1) is the first in the series of color developing agents used in developing color films.It is the organic compound N,N-diethyl-1,4-benzenediamine (DPD), which is usually in the form of the monohydrochloride salt. [1]

  5. Infrared spectroscopy correlation table - Wikipedia

    en.wikipedia.org/wiki/Infrared_spectroscopy...

    An infrared spectroscopy correlation table (or table of infrared absorption frequencies) is a list of absorption peaks and frequencies, typically reported in wavenumber, for common types of molecular bonds and functional groups.

  6. Phenylenediamine - Wikipedia

    en.wikipedia.org/wiki/Phenylenediamine

    Phenylenediamine may refer to: o-phenylenediamine or OPD, a chemical compound C 6 H 4 (NH 2) 2; m-phenylenediamine or MPD, a chemical compound C 6 H 4 (NH 2) 2; p-phenylenediamine or PPD, a chemical compound C 6 H 4 (NH 2) 2; N,N-dimethyl-p-phenylenediamine or DMPD; N,N,N′,N′-tetramethyl-p-phenylenediamine or TMPD, used in microbiology; N,N ...

  7. Print an AOL Calendar

    help.aol.com/articles/print-an-aol-calendar

    Using AOL Calendar lets you keep track of your schedule with just a few clicks of a mouse. While accessing your calendar online gives you instant access to appointments and events, sometimes a physical copy of your calendar is needed. To print your calendar, just use the print functionality built into your browser.

  8. Wurster's blue - Wikipedia

    en.wikipedia.org/wiki/Wurster's_blue

    Wurster's blue is the radical cation of the colorless chemical N,N,N′,N′-tetramethyl-p-phenylenediamine, also known as TMPD. [1] This is an easily oxidized phenylenediamine, which loses two electrons in one-electron oxidation steps; the radical cation is a characteristic blue-violet color, which gives the compound part of its name.

  9. 6PPD - Wikipedia

    en.wikipedia.org/wiki/6PPD

    6PPD is an organic chemical widely used as stabilising additive (or antidegradant) in rubbers, such as NR, SBR and BR; all of which are common in vehicle tires. [1] Although it is an effective antioxidant it is primarily used because of its excellent antiozonant performance.