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Hematoxylin

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For Research Use Only | Not For Clinical Use
CATAPB517282
CAS517-28-2
Structure
SynonymsHydroxybrazilin; Natural Black 1
IUPAC Name(6aS,11bR)-7,11b-dihydro-6H-indeno[2,1-c]chromene-3,4,6a,9,10-pentol
Molecular Weight302.28
Molecular FormulaC16H14O6
Melting Point100-120 °C
SolubilitySlightly soluble in cold water and ether
Soluble in alkali hydroxides, hot water, hot alcohol and borax
AppearanceWhite to yellowish crystals, turns red when exposed to light solid powder
Color Index75290
Pubchem CID442514
Pubchem SID469688483
UsesHematoxylin is principally used as a nuclear stain (to stain the nucleus).
In histology, hematoxylin and eosin are used in combination during H&E staining.
It is also a part of the Papanicolaou stain, often known as PAP stain, which is used to examine cytology specimens.
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