Technical Data Sheet
4-(4-Nitrophenylazo)-resorcinol, 10 g
p.a.
H315-H319
causes skin irritation, causes serious eye irritation
P302+P352 P305+P351+P338
IF ON SKIN: Wash with plenty of water, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing
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Magneson I, Azo violet
Empirical formula C12H9N3O4
Molar mass (M) 259,22 g/mol
Melting point (mp) 200 °C
WGK 1
CAS No. 74-39-5
EG-Nr. 200-808-5
Molar mass (M) 259,22 g/mol
Melting point (mp) 200 °C
WGK 1
CAS No. 74-39-5
EG-Nr. 200-808-5
Metal indicator, pH indicator 11,0-13,0
Dissolve 0.1 g in dil. NaOH
Dissolve 0.1 g in dil. NaOH
€36.05/Pack Qty.
excl. VAT. | 10 g per Pack Qty.
Art. No. 2563.1
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€34.25/Pack Qty.
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Product details
4-(4-Nitrophenylazo)-resorcinol p.a.
Technical Information
| Determination of | Mg |
| Colour conversion | yellow - violet |
| Transition range pH | 11,0 - 13,0 |
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4-(4-Nitrophenylazo)-resorcinol
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| 2563.1 | 10 g | glass |
€36.05 |
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| 2563.2 | 25 g | glass |
€54.30 |
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Downloads / MSDS
General information
Indicators and Dyes
Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.
Certificates of Analysis
Guarantee analysis
| Appearance | red-orange powder |
| Loss on drying | ≤10 % |