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3,3'-Diaminobenzidine tetrahydrochloride

3,3'-Diaminobenzidine tetrahydrochloride
Other names 3,3',4,4'-tetraaminobiphenyl tetrahydrochloride;

3,3',4,4'-Biphenyltetramine tetrahydrochloride; 3,3'-Diaminobenzidine tetrahydrochloride dihydrate; DAB

CAS number 7411-49-6
RTECS number DV8753000
Molecular formula C12H14N4.4HCl
Molar mass 360.11 g/mol

396.14 g/mol (dihydrate)

Melting point

280 °C (dihydrate)

Boiling point


Main hazards see text
R-phrases R22 R36/37/38 R40
S-phrases S22 S26 S36/37/39
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

3,3'-Diaminobenzidine tetrahydrochloride is a hazardous chemical compound used in permanent immunohistochemical staining.

See also

Similar compounds:

  • 3,3'-Diaminobenzidine
  • 3,3'-Diaminobenzidine 3 HCl


    This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "3,3'-Diaminobenzidine_tetrahydrochloride". A list of authors is available in Wikipedia.
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