ALIZARINE RED S

C.I.No. 58005
Sodium Alizarine Sulphonate

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Article No.
00860
Grade
Purity
CAS No.
130-22-3
Molecular Formula
C14H7NaO7S
Molecular Weight
342.3
H.S. Code
2914.7990
Shelf Life
60 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
Red powder
Melting point/ Freezing point [°C]
430°C
Boiling point [°C]
287 - 289°C
Initial boiling point [°C]
287°C
Final boiling point [°C]
289°C
Solubility in water [% weight]
Sparingly soluble in water

Packings

  • 1PB1200060

    25 g (00025)

  • 1PB1200200

    100 g (00100)

 

Specifications

Appearance Yellow to orange to brown powder
Absorption maxima (λmax1) 592 - 599 nm (in 0.1 N NaOH)
Absorption maxima (λmax2) 554 to 558 nm (in 0.1 N NaOH)
Visual transition range pH 3.5 (yellow) to pH 6.5 (pink), pH 9.4 (orange-brown) to pH 12.0 (violet)

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P302+P352-P305+P351+P338
Risk Statement: 36/37/38
Safety Statement: 26-36
Revision Date : 20-Jul-2023
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