Metanilgelb 70% (Farbstoffgehalt), Sigma-Aldrich®

Lieferant: SIGMA-ALDRICH MICROSCOPY
Gefahr

Synonyms: Acid Yellow 363-(4-Anilinophenylazo)benzenesulfonic acid sodium salt

M-Clarity™ Qualitätsstufe = MQ200

202029-100GEA 105 CHF
202029-100G
Metanilgelb 70% (Farbstoffgehalt), Sigma-Aldrich®
Metanilgelb

Metanil yellow has been used for staining of leukocyte granules. It is also used as a counterstain in microscopic sections.


Metanil yellow is an azo dye. It is used as a counterstain in PAS (periodic acid-Schiff)/iron-hematoxylin stained sections to increase contrast. Metanil yellow changes its color from red at pH 1.2 to yellow at pH 2.3.

Formel: C₁₈H₁₄N₃NaO₃S
MW: 375,38 g/mol
Lager Temperatur: Room Temperature
MDL Number: MFCD00007486
CAS-Nummer: 587-98-4
EINECS: 209-608-2
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Spezifikation Testergebnisse

Appearance (colour) Gold to Orange
Appearance (form) Powder
pH Transition pH 1.2 dark red or pink
PH 2.7 yellow

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