Technical Data Sheet
o-Cresolphthaleine, 5 g
pure
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Pack Qty.
Pack.
3,3'-Dimethylphenolphthaleine
Empirical formula C22H18O4
Molar mass (M) 346,39 g/mol
Melting point (mp) 221 °C
WGK 1
CAS No. 596-27-0
EG-Nr. 209-881-8
Molar mass (M) 346,39 g/mol
Melting point (mp) 221 °C
WGK 1
CAS No. 596-27-0
EG-Nr. 209-881-8
Dissolve 0.1 g in 100 ml ethanol
Indicator pH 8.2-9.8, alternative for Phenolphthaleine
Indicator pH 8.2-9.8, alternative for Phenolphthaleine
€11.75/Pack Qty.
excl. VAT. | 5 g per Pack Qty.
Art. No. 1LAC.1
In production
from 6 Pack Qty.
€11.16/Pack Qty.
from 24 Pack Qty.
€10.58/Pack Qty.
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Product details
o-Cresolphthaleine pure
Technical Information
| Colour conversion | colourless - red violet |
| Soluble in | Ethanol |
| Transition range pH | 8,2 - 9,8 |
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o-Cresolphthaleine
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| 1LAC.1 | 5 g | glass |
€11.75 |
|
|
| 1LAC.2 | 25 g | glass |
€47.85 |
|
|
| 1LAC.3 | 100 g | glass |
€117.20 |
|
|
|
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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
| Appearance | white to light yellow to light brown powder |
| Absorption max. (NaOH 0,1 mol/l) | 565-569 nm |
| pH-transition range | 8.2 (colourless) - 9.8 (red violet) |
| Loss on drying | ≤0.5 % |