1.Introduction of 3,3',5,5'-Tetramethylbenzidine dihydrochloride

The 3,3',5,5'-Tetramethylbenzidine dihydrochloride, with its CAS NO.64285-73-0is, is a kind of white or slightly pink crystalline powder.It is also called as EINECS 264-769-6 ; (1,1'-Biphenyl)-4,4'-diamine, 3,3',5,5'-tetramethyl-, dihydrochloride ; (1,1'-Biphenyl)-4,4'-diamine, 3,3',5,5'-tetramethyl-, hydrochloride (1:2) and 3,3',5,5'-Tetramethyl(1,1'-biphenyl)-4,4'-diamine dihydrochloride . 3,3',5,5'-Tetramethylbenzidine dihydrochloride should be sealed storage in shady and cool warehouse and mainly used as reagent.

2.Properties of 3,3',5,5'-Tetramethylbenzidine dihydrochloride

(1) Nominal Mass: 312 Da  (2) Average Mass: 313.2653 Da  (3) Monoisotopic Mass: 312.116004 Da
(4) IUPAC: 4-(4-amino-3,5-dimethylphenyl)-2,6-dimethylaniline dihydrochloride  (5) Product Categories: Biphenyl & Diphenyl ether;Enzyme substrates
(6) Flash Point: 210.8 °C (7) Enthalpy of Vaporization: 61.53 kJ/mol  (8) Boiling Point: 368.6 °C at 760 mmHg
(9) Vapour Pressure: 1.26E-05 mmHg at 25°C  (10) Melting Point: ≥300 °C (11) Storage temp: 2-8°C

3.Structure descriptors of 3,3',5,5'-Tetramethylbenzidine dihydrochloride

SMILES:Cl.Cl.c2(c1cc(c(N)c(c1)C)C)cc(c(N)c(c2)C)C 

Std. InChI:InChI=1S/C16H20N2.2ClH/c1-9-5-13(6-10(2)15(9)17)14-7-11(3)16(18)12(4)8-14;;/h5-8H,17-18H2,1-4H3;2*1H 

Std. InChIKey:NYNRGZULARUZCC-UHFFFAOYSA-N
 

4.Safety information of 3,3',5,5'-Tetramethylbenzidine dihydrochloride

Hazard Codes: Xn
Risk Statements: 40
R40: Limited evidence of a carcinogenic effect
Safety Statements: 22-24/25-36/37
S22: Do not breathe dust
S24/25: Avoid contact with skin and eyes
S36/37: Wear suitable protective clothing and gloves
WGK Germany: 3
F: 3-10-23