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36626 o-Tolidine dihydrochloride, ACS

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

Stock No. Size Price ($) Quantity Availability
36626-14 25g 46.70
36626-22 100g 119.00
36626-36 500g 431.00
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o-Tolidine dihydrochloride, ACS

MDL
MFCD00012960
EINECS
210-322-5

Chemical Properties

Formula
C14H16N2•2HCl
Formula Weight
285.22
Form
Solid
Melting point
>300°
Storage & Sensitivity
Air Sensitive. Light Sensitive. Store under Argon. Ambient temperatures.
Solubility
Soluble in water, alcohol, ether and dilute acids

Grade Specifications

Maximum level of impurities: Residue after ignition 0.1%, Sensitivity to chlorine P.T. (0.1ppm free chlorine), Solubility P.T.

Applications

o-Tolidine is employed as a colorimetric reagent for gold and free chlorine in water. Used in the synthesis of 9,9-bis(3-methyl-4-aminophenyl)fluorine. It is utilized for the detection of reducing sugars by thin layer chromatography. It is used in hair dyes, as a pharmaceutical intermediate and laboratory reagent.

Notes

Sensitive to air and light. Keep the container tightly closed in a cool and well-ventilated area.

Literature References

Jin, J.; Dou, Z.; Su, G.; Zhang, Z.; Liu, H. Solubility of o-tolidine in pure and modified supercritical carbon dioxide. Fluid Phase Equilibr. 2012, 315, 9-15.

Alan, I.; Kriza, A.; Badea, M.; Stanica, N.; Olar, R. Synthesis and characterisation of Co(II), Ni(II), Zn(II) and Cd(II) complexes with 5-bromo-N ,N '-bis-(salicylidene)-o -tolidine. J. Therm. Anal. Calorim. 2013, 111 (1), 483-490.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H350

Harmful if swallowed. May cause cancer.

Precautionary Statements: P201-P202-P264b-P270-P281-P301+P312-P308+P313-P330-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use personal protective equipment as required. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF exposed or concerned: Get medical advice/attention. Rinse mouth. Dispose of contents/ container to an approved waste disposal plant

Other References

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

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