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4-Amino-1,1′-azobenzene-3,4′-disulphonic acid monosodium salt 95% (dye content), Sigma-Aldrich®

Fornitore: SIGMA ALDRICH MICROSCOPY
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Synonyms: 2-Amino-5-([4-sulphophenyl]azo)benzenesulphonic acid monosodium salt, Acid Yellow 9 monosodium salt

M-Clarity™ quality level = MQ100

250309-100G
250309-100GEA 766 EUR
250309-100G
4-Amino-1,1′-azobenzene-3,4′-disulphonic acid monosodium salt 95% (dye content), Sigma-Aldrich®
4-Amino-1,1′-azobenzene-3,4′-disulphonic acid monosodium salt

4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt, also called as acid yellow 9, belongs to the class of azo dyes.


4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt has been used as a control to study the influence of aromatic substitution patterns on azo dye degradability by Streptomyces spp and the fungus Phanerochaete chrysosporium.

Formula: C₁₂H₁₀N₃NaO₆S₂
Peso molecolare: 379.34 g/mol
CAS Number: 74543-21-8
EINECS: 277-916-4

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Risultati del test di specificazione

Appearance (Colour) Brown to Very Dark Brown and Purple to Very Dark Purple and Purple-Brown and Brown-Purple and Red-Brown and Very Dark Red-Brown
Appearance (Form) Powder
Infrared Spectrum Conforms to Structure
Carbon 35.7 - 40.2%
Nitrogen 10.4 - 11.7%
TLC Conforms
ICP Major Analysis Confirmed
Absorption, λmax 489 nm
Confirms Sodium Component


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