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612-82-8 - o-Tolidine dihydrochloride, 97% - 4,4'-Diamino-3,3'-dimethylbiphenyl dihydrochloride - 3,3'-Dimethylbenzidine dihydrochloride - A18196 - Alfa Aesar

A18196 o-Tolidine dihydrochloride, 97%

CAS Number
612-82-8
Synonyms
4,4'-Diamino-3,3'-dimethylbiphenyl dihydrochloride
3,3'-Dimethylbenzidine dihydrochloride

Size Price ($) Quantity Availability
25g 38.20
100g 104.00
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o-Tolidine dihydrochloride, 97%

MDL
MFCD00012960
EINECS
210-322-5

Chemical Properties

Formula
C14H16N2•2HCl
Formula Weight
285.22
Melting point
>300°
Sensitivity
Air & Light Sensitive
Solubility
Soluble in water.

Applications

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

Notes

Air and light sensitive. Incompatible with oxidizing agents.

Literature 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.

GHS Hazard and Precautionary Statements

Hazard Statements: H350-H302-H411

May cause cancer. Harmful if swallowed. Toxic to aquatic life with long lasting effects.

Precautionary Statements: P201-P273-P281-P264-P270-P301+P312-P308+P313-P330-P405-P501a

Obtain special instructions before use. Avoid release to the environment. Use personal protective equipment as required. Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF exposed or concerned: Get medical advice/attention. Rinse mouth. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Hazard Class
9
Packing Group
III
Harmonized Tariff Code
2921.59
TSCA
Yes
RTECS
DD1226000

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