S300238 | Alizarin Red S (C.I. 58005)

CAS Number

130-22-3

Formula

C14H7NaO7S

Weight

M: 342,26 EC: 204-981-8 NC: 3204 12 00

Specifications
Identity IR p/t.
l1 of max. ABS in NaOH 0,1 mol/l 553-558 nm
l2 of max. ABS in NaOH 0,1 mol/l 592-596 nm
T.L.C p/t.
MAX. IMPURITIES
pH transition interval:
yellow 3,7
red-purple 5,2
Insoluble matter in H2O p/t.
Loss on drying at 135°C 5 %
Sensitivity as Al reagent p/t.

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