Skip to Content
Merck
CN

89585

o-Tolidine dihydrochloride

≥99.0% (HPLC)

Synonym(s):

3,3′-Dimethylbenzidine dihydrochloride, 4,4′-Bianisidine dihydrochloride, 4,4′-Diamino-3,3′-dimethylbiphenyl dihydrochloride

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Linear Formula:
[-C6H3(CH3)-4-NH2]2 · 2HCl
CAS Number:
612-82-8
Molecular Weight:
285.21
EC Number:
210-322-5
UNSPSC Code:
12352100
PubChem Substance ID:
57653347
Beilstein/REAXYS Number:
3713238
MDL number:
MFCD00012960

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

InChI key

LUKPNZHXJRJBAN-UHFFFAOYSA-N

InChI

1S/C14H16N2.2ClH/c1-9-7-11(3-5-13(9)15)12-4-6-14(16)10(2)8-12;;/h3-8H,15-16H2,1-2H3;2*1H

SMILES string

Cl.Cl.Cc1cc(ccc1N)-c2ccc(N)c(C)c2

assay

≥99.0% (HPLC)

Application

Sensitive colorimetric reagent for gold and for free chlorine in water.

Disclaimer

May be carcinogenic.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Carc. 1B

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

新产品
This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
1373206
S43423
1372939
450041/1
1188835

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Shinpei Kawarai et al.
The Journal of veterinary medical science, 72(2), 131-140 (2009-11-27)
It is essential to develop a technique to culture purified skin-derived mast cells (SMCs) to facilitate immunological research on allergic diseases in dogs. This study was performed to develop an efficient culture system for canine SMCs and to characterize the
V V Sentchouk et al.
Biochemistry. Biokhimiia, 69(2), 201-207 (2004-03-06)
Human thyroid peroxidase (hTPO) catalyzes a one-electron oxidation of benzidine derivatives by hydrogen peroxide through classical Chance mechanism. The complete reduction of peroxidase oxidation products by ascorbic acid with the regeneration of primary aminobiphenyls was observed only in the case
Dyes metabolized to 3,3'-dimethylbenzidine (3,3'-dimethylbenzidine dye class.
Report on carcinogens : carcinogen profiles, 10, 105-106 (2004-08-25)
3,3'-Dimethylbenzidine.
Report on carcinogens : carcinogen profiles, 10, 104-105 (2004-08-25)
L E Gray et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 20(2), 177-183 (1993-02-01)
In mice and rats, prenatal exposure to the dye Congo red permanently reduces the number of germ cells in male and female offspring. In the current investigation, nine other dyes structurally related to Congo red were examined for developmental testicular
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service