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Appearance
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Dark red coloured powder
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|
Absorption maxima (λmax1, in DMSO)
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563 - 571 nm
|
|
Absorption maxima (λmax2, in DMSO)
|
525 - 533 nm
|
|
A1%,1cm, λ 1 max
|
Min. 70
|
|
A1%,1cm, λ 2 max
|
Min. 100
|
|
Ratio λmax. P+/-15 nm (at 528 nm)
|
1.00 - 1.10
|
|
Loss on drying (at 110°C)
|
Max. 15%
|