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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: H302-H350

Harmful if swallowed. May cause cancer.

Precautionary Statements: P201-P280-P301+P312a-P308+P313-P405-P501a

Obtain special instructions before use. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. IF exposed or concerned: Get medical advice/attention. 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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