Technical Data Sheet
Pyrogallol red, 1 g
p.a.
Pack Qty.
Pack.
Pyrogallol sulphonic phthalein, Sulphonic alizarin violet
Empirical formula C19H12O8S
Molar mass (M) 400,36 g/mol
Melting point (mp) >300 °C
WGK 1
CAS No. 32638-88-3
EG-Nr. 251-134-3
Molar mass (M) 400,36 g/mol
Melting point (mp) >300 °C
WGK 1
CAS No. 32638-88-3
EG-Nr. 251-134-3
Indicator for metal titration
Dissolve 0.05 g in ethanol (96 %)
Dissolve 0.05 g in ethanol (96 %)
€34.95/Pack Qty.
excl. VAT. | 1 g per Pack Qty.
Art. No. 0287.1
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€33.20/Pack Qty.
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Product details
Pyrogallol red p.a.
Technical Information
| Determination of |
Bi Co Ni Pb |
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Pyrogallol red
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| 0287.1 | 1 g | glass |
€34.95 |
|
|
| 0287.2 | 5 g | glass |
€69.35 |
|
|
|
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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
Type analysis
| Sulphated ash | <0.5 % |
| Solubility (10 mg/ml in 1 M NH4OH) | dark, purple solution |
| Absorption max. (in EtOH) | 475 - 515 nm |
| Suitability as indicator | complies |