91-95-2
Product Name:
3,3'-Diaminobenzidine
Formula:
C12H14N4
Synonyms:
3,3′,4,4′-Biphenyltetramine;3,3′,4,4′-Tetraaminobiphenyl;DAB;DAB tablets;Immunohistology substrate
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Red to brown hygroscopic solid; [ICSC] |
|---|---|
| Melting Point | 176 °C |
| Flash Point | >200 °C |
| Solubility | Solubility in water: very poor |
| LogP | 0.09 |
| Autoignition Temperature | 560 °C |
| Chemical Classes | Nitrogen Compounds -> Benzidine and Derivatives |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H319:Serious eye damage/eye irritation H341:Germ cell mutagenicity H350:Carcinogenicity |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 214.27 g/mol |
|---|---|
| XLogP3 | 0.9 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 214.121846464 g/mol |
| Monoisotopic Mass | 214.121846464 g/mol |
| Topological Polar Surface Area | 104 Ų |
| Heavy Atom Count | 16 |
| Formal Charge | 0 |
| Complexity | 209 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
3,3'-diaminobenzidine is a member of the class of biphenyls that is benzidine in which one of the hydrogens ortho to each of the amino groups has been replaced by an amino group. It has a role as a histological dye. It is a member of biphenyls and a substituted aniline.