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Thermo Scientific Chemicals Thymolphthalein, Indicator, Pure
Description
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications
Specifications
Melting Point | 251.0°C to 253.0°C |
Beilstein | 18, I, 381 |
Merck Index | 15, 9556 |
Solubility Information | Solubility in water: insoluble. Other solubilities: soluble in dilute alkali and acids, soluble in alcohol and acetone |
Infrared Spectrum | Authentic |
Formula Weight | 430.53 |
Loss on Drying | 1% max. |
Grade | Pure |
Packaging | Glass bottle |
Visual Transition Interval | from pH 8.8 (colorless) to pH 10.5 (blue) |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
A0398119 | Certificate of Analysis | 25/08/2023 | 151460500,151460100,151462500 |
A0450470 | Certificate of Analysis | 02/05/2023 | 151460500,151460100,151462500 |
A0394528 | Certificate of Analysis | 15/12/2022 | 151460500,151460100,151462500 |
A0405103 | Certificate of Analysis | 13/12/2022 | 151460500,151460100,151462500 |
A0408390 | Certificate of Analysis | 13/12/2022 | 151460500,151460100,151462500 |
RUO – Research Use Only
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