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167684-17-5

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Basic Information
CAS No.: 167684-17-5
Name: 3,3'-Diaminobenzidine tetrahydrochloride dihydrate
Molecular Structure:
Molecular Structure of 167684-17-5 (3,3'-Diaminobenzidine tetrahydrochloride dihydrate)
Formula: C12H14 N4 . 4 Cl H . 2 H2 O
Molecular Weight: 396.14
Synonyms: [1,1'-Biphenyl]-3,3',4,4'-tetramine,tetrahydrochloride, dihydrate (9CI)
EINECS: 231-018-9
Melting Point: 280 ºC
Boiling Point: 481.7oC at 760 mmHg
Flash Point: 282.7oC
Solubility: moderately soluble
Appearance: off-white to grey powder
Hazard Symbols:
Risk Codes: R22;R36/37/38;R40   
Safety: S26;S36/37/39;S45
PSA: 122.54000
LogP: 7.08660
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Chemistry

Molecular Structure:

Molecular Formula: C12H22Cl4N4O2
Molecular Weight: 396.1407
Systematic Name: Biphenyl-3,3',4,4'-tetramine tetrahydrochloride dihydrate
Synonyms of 3,3'-Diaminobenzidine tetrahydrochloride dihydrate (CAS NO.167684-17-5): 3,3',4,4'-Biphenyltetramine tetrahydrochloride dihydrate
CAS NO: 167684-17-5
Melting point: 280 °C 
Flash Point: 282.7 °C
Enthalpy of Vaporization: 74.64 kJ/mol
Boiling Point: 481.7 °C at 760 mmHg
Vapour Pressure: 1.95E-09 mmHg at 25°C

Safety Profile

Hazard Codes of 3,3'-Diaminobenzidine tetrahydrochloride dihydrate (CAS NO.167684-17-5): HarmfulXn
Risk Statements: 22-36/37/38-40 
R22: Harmful if swallowed. 
R36/37/38: Irritating to eyes, respiratory system and skin. 
R40: Limited evidence of a carcinogenic effect.
Safety Statements: 26-36/37/39-45 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany: 3
F: 8-10-23