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  • Product Name:   N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride
  • Synonyms:   1,4-Benzenediamine,N,N,N’,N’-tetramethyl-,dihydrochloride;4-benzenediamine,n,n,n’,n’-tetramethyl-dihydrochloride;n,n,ni,ni-tetramethyl-p-phenylenediaminedihydrochloride;N,N,N'',N''-Tetramethyl-p-phenylenediamine hydrochloride;tetramethyl-p-phenylenediamine dihydrochloride
  • CAS No.:   637-01-4
  • Molecular Formula:   C10H18Cl2N2
  • Molecular Weight :   237.17
  • Specification :   98%
  • Place of Origin:   China
  • Appearance :   
  • Document :   Download

Description of N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride
N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride Chemical Properties
Melting point  222-224 °C(lit.)
Boiling point  378.54°C (rough estimate)
density  1.1961 (rough estimate)
refractive index  1.6400 (estimate)
storage temp.  Store at RT.
solubility  H2O: soluble500mg/10 mL
form  powder
color  off-white to gray
Water Solubility  SOLUBLE
Sensitive  Light Sensitive
BRN  5132096
Stability: Stable. Incompatible with strong oxidizing agents, strong bases.
CAS DataBase Reference 637-01-4(CAS DataBase Reference)
EPA Substance Registry System 1,4-Benzenediamine, N,N,N',N'-tetramethyl-, dihydrochloride(637-01-4)
Safety Information
Hazard Codes  Xi,Xn
Risk Statements  36/37/38-20/21/22-40
Safety Statements  26-36-36/37-22-36/37/39
RIDADR  2811
WGK Germany  3
F  8
TSCA  Yes
HazardClass  6.1(a)
PackingGroup  II
HS Code  29215190
N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride Usage And Synthesis
Chemical Properties Off white to gray powder
Uses An oxidizable compound
Purification Methods Crystallise the salt from isopropyl or n-butyl alcohols, saturated with HCl. Treat it with aqueous NaOH to give the free base (see previous entry) which is filtered, dried and sublimed in a vacuum. [Guarr et al. J Am Chem Soc 107 5104 1985, Beilstein 13 H 74.]
N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride Preparation Products And Raw materials
Raw materials Methanol-->Sulfuric acid -->Sodium chloride-->Acetone-->Calcium chloride-->Cuprous chloride-->Sodium bromide-->p-Phenylenediamine dihydrochloride

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