Benzidine dihydrochloride
Product Description
| Product | Benzidine dihydrochloride |
| CAS | 531-85-1 |
| Formula | C12H14Cl2N2; C12H12N2.2ClH |
| Synonym | benzidine2hcl, benzidinedihydrochloridehumancarcinogen, dihidroclorurodebenzidina, p,p’-Diaminodiphenylhydrochloride, P,P'-DIAMINOBIPHENYL DIHYDROCHLORIDE, 4,4'-Diaminobiphenyl dihydrochloride, 4,4'-Diaminodiphenyl dihydrochloride, [1,1'-biphenyl]-4,4'-diamine dihydrochloride, (1,1'-Biphenyl)-4,4'-diamine, dihydrochloride, Benzidine dihydrochloride, Benzidine HCl, Benzidine hydrochloride, CCRIS 1412, Dihidrocloruro de benzidina, Dihidrocloruro de benzidina [Spanish], EINECS 208-519-6, NSC 3500, UNII-LVU06XHC39, (1,1'-Biphenyl)-4,4'-diamine, dihydrochloride, (1,1'-Biphenyl)-4,4'-diamine, hydrochloride (1:2), Benzidine dihydrochloride, Superlist Name Benzidine dihydrochloride, Registry Numbers CAS Registry Number 531-85-1, FDA UNII LVU06XHC39, Related Registry Number 92-87-5 (Parent), System Generated Number 0000531851, Molecular Formulas ?Molecular Formula C12-H12-N2.2Cl-H, Molecular Formula Fragments C12-H12-N2, Cl-H, COMPONENT, Benzidine dihydrochloride, Benzidine hydrochloride, (1,1-Biphenyl)-4,4-diamine, dihydrochloride |
Typical Product Specifications
| Molecular weight | 257.16 |
| EINECS | 208-519-6 |
| SMILES | c1(c2ccc(N)cc2)ccc(N)cc1.Cl.Cl |
| log P (octanol-water) | 1.920 |
| Water solubility | 3770 mg/L |
| Vapor Pressure | 4.38E-06 mm Hg |
| pKa Dissociation Constant | 4.95 |
| Henry's Law Constant | 5.17E-11 atm-m3/mole |
| Atmospheric OH Rate Constant | 1.54E-10 cm3/molecule-sec |
| Water solubility | 0.1-0.5 g/100 mL at 23.5 ºC |
| Melting Point | =300 °C |
| Notes | Benzidine dihydrochloride uses and applications include: Dye intermediate; hardener for PU, rubber; detection of a large number of inorganic and ionic compds.; detection of blood; detection of hydrogen peroxide in milk; detection of chlorine or pyridine in drinking water; detection of bacterial cytochromes; detection of m-cresol, p-cresol; in quantitative determination of nicotine, sulfates; in analysis of metals; determination of napthalenesulfonic acids and detergents; synthesis of nitrosulfone and sulfonic acid derivatives; in adhesives; in plastics; in security printing; spray reagent for sugars; chromogenic spray reagent in thin-layer chromatography of chlorinated organic pesticides; carcinogenic for experimental induction of cancer Suggested storage of Benzidine dihydrochloride: Keep container tightly closed under inert atmosphere; store refrigerated; protect from light |
| Class | Specialty Chemicals |
| Function | Acid |
| Industry | Adhesives, Plastics, Rubber, Detergent |
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