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39441

Nitrate Reagent B

suitable for microbiology

Synonym(s):

Sulfanilic acid solution, 4-Aminobenzenesulfonic acid

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About This Item

CAS Number:
121-57-3
NACRES:
NA.85
PubChem Substance ID:
329755871
UNSPSC Code:
41171621
MDL number:
MFCD00007886
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shelf life

limited shelf life, expiry date on the label

Quality Segment

composition

acetic acid (30%), 1000 mL , sulfanilic acid, 8.0 g

technique(s)

microbe id | metabolite detection: suitable

application(s)

agriculture
clinical testing
environmental
food and beverages
pharmaceutical, microbiology

suitability

Enterobacter spp., Escherichia coli, Neisseria spp., anaerobic bacteria, coliforms

SMILES string

Nc1ccc(cc1)S(O)(=O)=O

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

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.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Codes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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