Alizarin Red S (C.I. 58005) (Reag. Ph. Eur.) for analysis

Solubility:

water 20 g/l at 20 °C
alcohol 1 g/l

Physical Description:

solid

Product Code:

121605

Product Name:

Alizarin Red S (C.I. 58005) (Reag. Ph. Eur.) for analysis

Quality Name:

for analysis

Headline Comment:

pH and adsorption indicator 3,7 yellow; 5,2 purple red

Specifications:

Identity: IR passes test
λ of max. ABS in NaOH 0.1 mol/l: 553 - 558 nm
T.L.C.: passes test

Maximum limit of impurities
pH transition interval: yellow: 3.7
pH transition interval: red-purple: 5.2
Insoluble matter in H2O: passes test
Loss on drying at 135°C: 5%
Sensitivity as Al reagent: passes test

Storage:

Room Temperature.

Master Name:

Alizarin Red S *(C.I. 58005)

Synonyms Long Text:

Alizarinsulphonic Acid Sodium Salt, Mordant Red 3, Sodium Alizarinsulphonate

EINECS:

204-981-8

CS:

32041200

Download TDS file for complete specifications