Azo rubine (50% dye content) C.I 14720 , Sigma-Aldrich®

Lieferant: SIGMA ALDRICH MICROSCOPY

Synonyme: Carmoisine B, acid Red 14, Brilliant Crimson Red, Sodium 4-hydroxy-3-((4-sulphonatonaphthalen-1-yl)diazenyl)naphthalene-1-sulphonate

M-Clarity™ Qualitätsstufe = MQ200

214515-50G
214515-50GEA 164 EUR
214515-50G
Azo rubine (50% dye content) C.I 14720 , Sigma-Aldrich®
Azo rubine

Chromotrope FB, also known as acid red 14 (AR14), is a bright orange-red powder. It belongs to the class of monoazides.


Chromotrope FB efficiently stains fatty substances and is also used to dye food and medicines.


Chromotrope FB can be used in indirect competitive CLIA (icCLIA) to detect its presence in foods and also it efficiently stains fatty substances and used to dye food and medicines.

Formel: C₂₀H₁₄N₂O₇S₂
Molecular Weight: 502,42 g/mol
Flammpunkt: >225 °C
MDL: MFCD00003978
CAS-Nummer: 3567-69-9
EINECS: 222-657-4
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Spezifikation Testergebnisse

Infrared Spectrum Conforms to Structure
Appearance (Color), Dark Red to Brown to Black Conforms to Requirements
Wavelength 214 - 220 nm
Extinction Coefficient ≥9000
Extinction Coefficient, c = 0.03 g/l, H₂O ≥33000
Carbon 23.9 - 71.7%
Nitrogen 2.7 - 8.4%

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