| Identification | |
| Name: | benzidine dihydrochloride |
| Synonyms: | Benzidine hydrochloride |
| CAS: | 531-85-1 |
| EINECS: | 208-519-6 |
| Molecular Formula: | C12H12N2?2(HCl) |
| Molecular Weight: | 257.16 |
| InChI: | InChI=1/C12H12N2.2ClH/c13-11-5-1-9(2-6-11)10-3-7-12(14)8-4-10;;/h1-8H,13-14H2;2*1H |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 2811 |
| Density: | 1.156g/cm3 |
| Stability: | No data. |
| Solubility: | 1 g dissolves in 2500 ml cold water; 1 g dissolves in 107 ml boiling water; 1 g dissolves in 5 ml boiling alcohol; 1 g dissolves in 50 ml ether In water, 322 mg/l @ 25 deg C |
| Appearance: | White crystalline powder. |
| Storage Temperature: | Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage. |
| Color: | White or slightly-reddish, crystalline powder Grayish-yellow, reddish-gray, or white crystalline powder [Note: Darkens on exposure to air and light]. |
| Usage: | Has been used as part of a test for cyanide and also in the synthesis of dyes. |
| Safety Data | |
| Hazard Symbols |
T:Toxic
N:Dangerousfortheenvironment
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