o-Tolidine dihydrochloride, 97%, Thermo Scientific Chemicals

Name: o-Tolidine dihydrochloride, 97%, Thermo Scientific Chemicals
SKU: ALFA18196.14

CAS: 612-82-8 | C14H18Cl2N2 | 285.212 g/mol

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100 g

Catalog number ALFA18196.14

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Chemical Identifiers

CAS96-97-9

IUPAC Name2-hydroxy-5-nitrobenzoic acid

Molecular FormulaC7H5NO5

InChI KeyPPDRLQLKHRZIJC-UHFFFAOYSA-N

SMILESOC(=O)C1=CC(=CC=C1O)[N+]([O-])=O

Specifications

Specification Sheet

Infrared spectrumConforms

Appearance (Form)Powder

Melting point228°C to 233°C

Appearance (Color)Off-white to yellow to beige to orange to tan

HPLC>=98.5 %

o-Tolidine dihydrochloride is used as a sensitive colorimetric reagent for gold and for free chlorine in water.

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
o-Tolidine dihydrochloride is used as a sensitive colorimetric reagent for gold and for free chlorine in water.

Solubility
Soluble in water.

Notes
Air and light sensitive. Incompatible with oxidizing agents.

RUO – Research Use Only

General References:

L.L.Salomon; J.E.Johnson. Enzymatic microdetermination of glucose in blood and urine. Anal. Chem. 1959, 31,(3), 453-456.
A.N.Whitaker; M.J.Elms; P.P.Masci; P.G.Bundesen; D.B.Rylatt; A.J.Webber; I.H.Bunce. Measurement of cross linked fibrin derivatives in plasma: an immunoassay using monoclonal antibodies. J Clin Pathol. 1984, 37,(8), 882-887.