TECHNICAL DATA

PRODUCT NAME: ACID RED 52 - ACID SULPHO RHODAMINE WS


Appearance (Color): Green to Very Dark Green and Brown to Very Dark Brown
Appearance (Form): Powder or Crystals
Emperical formula: C27H29N2NaO7S2
Molecular Formula 580.65
Lambda Max: 554 Nm
Product Name Acid Red 52
Colour Index No. 45100
CAS NO. 3520-42-1
Chemical Class: XANTHENE
Dye strength: 650% - 660 %
Extinction coefficient: < 85000
Infra red spectrum: 554-560
Purity by HPLC: 92%-93%
Insolubles: Less than 0.1%
Solubility: Clear solution @ 15- 16 % @ 25 deg C
PH: Acidic 0.9-1.4
Bulk density: 0.6

Heavy Metals

Chromium Level : Maximum 10 ppm
Lead Level Maximum 2 ppm
Mercury Level Maximum 1 ppm
Forbidden Amines Should not be detected
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