Pararosaniline Hydrochloride (Basic Red 9)

Pararosaniline Hydrochloride Chemical Structure

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PRODUCT SPECIFICATIONS
PRODUCT NAME Pararosaniline Hydrochloride
IUPAC Name 4-[(4-aminophenyl)-(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydrochloride
SYNONYMS Basic Red 9, Pararosaniline chloride, Parafuchsine; Parafuksin; C.I. 42500
CAS No 569-61-9
Molecular Formula C19H17N3.ClH
Molecular Weight 323.8 g/mol
PubChem CID 11292

TECHNICAL SPECIFICATIONS

SR. No Criteria Limit/Specification
1 Appearance Green to Very Dark Green Powder
2 Infrared spectrum Conforms to Structure
3 Solubility (Turbidity) 1mg/ml; Ethanol Clear to Opaque
4 Solubility (Colour) 1mg/ml; Ethanol Red to Purple
5 Wavelength (c = 0.003g/L; 50% Ethanol)
Extinction Coefficient
543 - 549 nm
≥ 80000
6 Wavelength
Extinction Coefficient
286 - 292 nm
≥ 17000
7 Purity (HPLC) ≥ 85 %
≥ 80000
8 Elemental Analysis
Carbon
Nitrogen

59.9 - 81.0 %
11.0 - 14.9 %
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