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CI 42500

Basic information Safety Supplier Related

CI 42500 Basic information

Product Name:
CI 42500
Synonyms:
  • methanol,tris(4-aminophenyl)-[qr]
  • pararosanilinebase[qr]
  • tris(4-aminophenyl)carbinol[qr]
  • Tris(p-aminophenyl)methanol
  • pararosaniline base (C.I. 42500)
  • 4,4',4''-triaminotritol
  • PARAROSANILINE BASE, FOR MICROBIOLOGY
  • PARAROSANILINE C.I. 42500
CAS:
467-62-9
MF:
C19H19N3O
MW:
305.37
EINECS:
207-395-0
Mol File:
467-62-9.mol
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CI 42500 Chemical Properties

Melting point:
205 °C (dec.)(lit.)
Boiling point:
598.9±50.0 °C(Predicted)
Density 
1.287±0.06 g/cm3(Predicted)
vapor pressure 
0Pa at 25℃
storage temp. 
Refrigerator, under inert atmosphere
solubility 
DMSO (Slightly, Sonicated), Merhanol (Slightly, Sonicated)
Colour Index 
42500
pka
14.12±0.29(Predicted)
form 
Crystalline Powder
color 
purple
Water Solubility 
464mg/L at 25℃
BRN 
2148632
LogP
1.63 at 25℃
CAS DataBase Reference
467-62-9
EPA Substance Registry System
Benzenemethanol, 4-amino-.alpha.,.alpha.-bis(4-aminophenyl)- (467-62-9)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
40
Safety Statements 
36/37
WGK Germany 
3
HS Code 
29252900
Hazardous Substances Data
467-62-9(Hazardous Substances Data)

MSDS

  • Language:English Provider:ACROS
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CI 42500 Usage And Synthesis

Chemical Properties

purple to dark purple crystalline powder

Uses

Pararosaniline Base (cas# 467-62-9) is a useful research chemical. Dyes and metabolites.is used in method for preparing Polyaniline from Polyamino compound and 1,4-Cyclohexanedione derivative.

Flammability and Explosibility

Not classified

Purification Methods

Dissolve the dye in EtOH (1.16g in 30mL), filter and add aqueous NH3 till neutral (colourless) and precipitate it by adding H2O giving 0.8g, m 247o(dec, sintering at 230o). Dissolve it in EtOH, neutralise with NH3 till colourless, add 0.1g of charcoal, filter, and repeat, then add H2O (100mL) to precipitate the colourless carbinol (pseudo-base) and dry it in vacuo, m 257o(dec, also 205o, sintering at 232o). [Weissberger & Theile J Chem Soc 148 1934.] The carbinol is slightly soluble in H2O but is soluble in acids (e.g. HCl to give the coloured chloride [569-61-9]) and EtOH [pK: Goldacre & Phillips J Chem Soc 172 1949]. The perchlorate (dark red with a green shine) has m 300o and explodes at 317o [Dilthey & Diaklage J Prakt Chem [2] 129 1931]. [Beilstein 13 IV 2283.]

CI 42500Supplier

J & K SCIENTIFIC LTD.
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Energy Chemical
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