Metanil Yellow
Metanil Yellow
Metanil Yellow
Thermo Scientific Chemicals

Metanil Yellow

CAS: 587-98-4 | C18H14N3NaO3S | 375.378 g/mol
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Catalog NumberQuantity
ALFA17527.1850 g
Catalog number ALFA17527.18
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Quantity:
50 g
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Specifications
Chemical Name or MaterialMetanil Yellow
CAS587-98-4
Health Hazard 1H317-H361
Health Hazard 2GHS H Statement
H318
Causes serious eye damage.
Health Hazard 3P201-P202-P261-P272-P280g-P281-P302+P352-P308+P313-P333+P313-P363-P501c
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Metanil Yellow is used as indicator. Metanil yellow is useful in spectrophotometric methods to determine the presence of trace amounts of nitrates and nitrites in solution. The method utilizes the fact that potassium bromate can catalyze the discoloring of Metanil yellow which can then be analyzed by spectrophotometry.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Metanil Yellow is used as indicator. Metanil yellow is useful in spectrophotometric methods to determine the presence of trace amounts of nitrates and nitrites in solution. The method utilizes the fact that potassium bromate can catalyze the discoloring of Metanil yellow which can then be analyzed by spectrophotometry.

Solubility
Soluble in water (25g/L).

Notes
Store away from strong oxidizing agents. Keep container tightly closed. Store in cool, dry conditions in well sealed containers.
RUO – Research Use Only

General References:

  1. T.N. Nagaraja.; T. Desiraju. Effects of chronic consumption of metanil yellow by developing and adult rats on brain regional levels of noradrenaline, dopamine and serotonin, on acetylcholine esterase activity and on operant conditioning. Food and Chemical Toxicology. 1993, 31, (1), 41-44.
  2. Ming-Shen Chiou.; Guo-Syong Chuang. Competitive adsorption of dye metanil yellow and RB15 in acid solutions on chemically cross-linked chitosan beads. Chemosphere. 2006, 62, (5), 731-740.