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Organic Chemicals

Trypan Blue

RA002657 CAS 72-57-1 Microscopy

Identity

Product code
RA002657
CAS number
72-57-1
Grade
Microscopy
Purity
70% dye content
Molecular formula
C34H24N6Na4O14S4
Molecular weight
960.80

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour Dark blue crystalline —
Melting point/ Freezing point [°C] Min 300 °C °C
Solubility in water [% weight] Soluble in water —

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit
Appearance Dark Green to Brown or Brown-Black Powder, Crystalline Powder or Granule —
Dye content Min 70 % %
Absorption maxima in methanol 603 - 607 nm nm
Absorptivity( A 1% /1cm,λmax in Methanol) Min 730.0 —
Loss on drying Max 10.0 % %

Packaging

Pack size SKU
25 g RA002657-PK-25G
100 g RA002657-PK-100G