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Nitrate Reagent B

SIAL/39441 - suitable for microbiology

Synonym: Sulfanilic acid solution; 4-Aminobenzenesulfonic acid

CAS Number: 121-57-3
MDL Number: MFCD00007886
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-39441-100ML-F 100 mL
$45.70
1/EA
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application(s) agriculture
clinical testing
environmental
food and beverages
pharmaceutical
  microbiology
composition acetic acid (30%), 1000 mL
  sulfanilic acid, 8.0 g
InChI 1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
InChI key HVBSAKJJOYLTQU-UHFFFAOYSA-N
Quality Level 100 
shelf life limited shelf life, expiry date on the label
SMILES string Nc1ccc(cc1)S(O)(=O)=O
suitability Enterobacter spp.
  Escherichia coli
  Neisseria spp.
  anaerobic bacteria
  coliforms
technique(s) microbe id | metabolite detection: suitable
Application: α-Naphthylamine and sulfanilic acid are used for detection of nitrate reduction by bacteria. Organisms containing nitrate reductase reduce nitrate to nitrite, which forms a diazonium salt with sulfanilic acid and reacts with α-naphthylamine to form a red azo dye.
UNSPSC 41171621

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