Acid-base Indicator

• bromophenol blue

  A dye used as an acid-base indicator.

• bromothymol blue

  A dye used as an acid-base indicator.

Also contains

• azo dye

  Any dye containing one or more azo groups.

• hair coloring

  A dye or tint for the hair.

• lac dye

  Scarlet dye like cochineal; extracted with alkali from stick lac.

• fluorescein

  A yellow dye that is visible even when highly diluted; used as an absorption indicator...

• safranine

  Any of a class of chiefly red organic dyes.

• acid dye

  Dye in which the chromophore is part of a negative ion.

• fluorochrome

  Any of various fluorescent substances used in fluorescence microscopy to stain spe...

• quercitron

  A yellow dye made from the bark of the quercitron oak tree.

• Kendal green

  A green dye, often used to color cloth, which is obtained from the woad plant.

• archil

  A purplish dye obtained from orchil lichens.

• radiopaque dye

  Dye that does not allow the passage of X rays or other radiation; used to outline...

• chromophore

  The chemical group that gives color to a molecule.

• lead acetate

  A poisonous white solid (Pb[CH3CO]2) used in dyeing cotton and in making enamels and...

• Tyrian purple

  A red-purple to deep purple dye obtained from snails or made synthetically.

• woad

  A blue dyestuff obtained from the woad plant.

• vat dye

  A water-insoluble dye that is applied by reducing the dye to an alkaline form, applying...

• basic dye

  A dye that is considered to be a base because the chromophore is part of a positive i...

• alizarin yellow

  Any of various yellow dyes; not related chemically to alizarin but applied in the...

• aniline dye

  Any of many dyes made from aniline.

• indigo

  A blue dye obtained from plants or made synthetically.

• blue

  Used to whiten laundry or hair or give it a bluish tinge.

• cochineal

  A red dyestuff consisting of dried bodies of female cochineal insects.

• direct dye

  Dye with a high affinity for cellulose fibers (cotton or rayon etc.).

• cyanine dye

  Any of a class of dyes containing a -CH= group linking two heterocyclic rings containing...