pH 8.2-9.8 Colourless to violet red
Absorption maxima (at pH 11.3) 565 - 569 nm
Specific Absorptivity (at absorption maxima) Min 1500
Insoluble matter in ethanol Passes test
Loss on drying (at 135 °C) % Max 0.5
Sulfated ash % Max 0.5

CAS No.

596-27-0

Molecular Formula

C22H18O4

Molecular Weight

346.39

HS Code

2934.9900

Packing

5 G

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