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Eosin B, high purity biological stain

Catalog NumberACM548243

CAS Number548-24-3

CategoryXanthene Dyes

Eosin B, high purity biological stain
Synonyms
EOSIN RED; SAFFROSINE; Eosine BN; Eosine BA; CAESAR RED; SAFROSIN; Nophalin G; EOSIN B;
IUPAC Name
disodium 4,5-dibromo-2,7-dinitro-3-oxospiro[2-benzofuran-1,9-xanthene]-3,6-diolate
Molecular Weight
624
Molecular Formula
C20H6Br2N2Na2O9
InChI Key
QGAYMQGSQUXCQO-UHFFFAOYSA-L
Boiling Point
694.1ºC at 760 mmHg
Melting Point
275ºC (dec.)(lit.)
Flash Point
373.6ºC
Purity
Disodium Salt
Appearance
red to purple crystalline powder
Application
Dyeing wool, cotton, and paper. In histology as a stain for epithelia, muscular fibers, nuclei, etc.
Storage
Store at +5°C to +30°C.
Exact Mass
621.82400
Safety Description
S22-S24/25
Stability
Stable. Incompatible with strong oxidizing agents.
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