Technical Data Sheet
Xylenol orange tetrasodium salt, 5 g
p.a., ACS
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3,3'-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein tetrasodium salt
Empirical formula C31H28N2Na4O13S
Molar mass (M) 760,59 g/mol
Melting point (mp) 200 °C
WGK 1
CAS No. 3618-43-7
EG-Nr. 222-805-8
Molar mass (M) 760,59 g/mol
Melting point (mp) 200 °C
WGK 1
CAS No. 3618-43-7
EG-Nr. 222-805-8
Indicator for metal titration.
Dissolve 0.1 g in 100 ml water
Dissolve 0.1 g in 100 ml water
€89.15/Pack Qty.
excl. VAT. | 5 g per Pack Qty.
Art. No. 2727.2
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Product details
Xylenol orange tetrasodium salt p.a., ACS
Technical Information
| Determination of |
Bi Cd Co Cu Fe Hg In Pb Sc Th Tl(III) V(V) Zn Zr rare earth metals |
| Colour conversion | yellow - orange-red |
| Transition range pH | 6,4 - 10,4 |
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Xylenol orange tetrasodium salt
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| 2727.1 | 1 g | glass |
€38.60 |
|
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| 2727.2 | 5 g | glass |
€89.15 |
|
|
| 2727.3 | 10 g | glass |
€138.70 |
|
|
| 2727.4 | 50 g | glass |
€482.70 |
|
|
|
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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 of solution | complies |
| Loss on drying (110 °C) | ≤10 % |
| Suitability for zinc titration | complies |