Orange II sodium salt (C.I. 15510), 100 g
Molar mass (M) 350,33 g/mol
Density (D) 1,53 g/cm³
Melting point (mp) 290 °C
CAS No. 633-96-5
Dissolve 0.1 g in 100 ml of water
excl. VAT. | 100 g per Pack Qty.
Art. No. 7729.3
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Orange II sodium salt (C.I. 15510) for microscopy
Water-soluble dye, is used in cytology, e.g. as ingredient of Papanicolaou solution 2b.
amber - orange
orange - red
|Transition range pH||
7,4 - 8,6
10,2 - 11,8
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Indicators and Dyes
Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.
|Appearance||orange to brown powder|
|pH-transition range||7,4 (amber)-8,6 (orange)|
|pH-transition range||10,2 (orange)-11,8 (red)|