Phenolphthalein (C.I. 764)
Molar mass (M) 318,33 g/mol
Density (D) 1,3 g/cm³
Boiling point (bp) >450 °C
Melting point (mp) 263 °C
CAS No. [77-09-8]
excl. VAT. | 1 g per Pack Qty.
Art. No. 2919.1
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Carl ROTH offers an extensive range of calibration standards. These products are manufactured from highly pure starting material and are specially tested for each application. The corresponding batch‑specific certificate of analysis is available online. Each product series offers excellent value for money.
The melting point of a substance is the temperature at which the transition from a solid phase to a liquid phase occurs. The determination of melting point is a quick and easy method of determining the basic purity of substances. As the melting point is a characteristic variable for pure substances, it is also used for the identification of organic compounds. Carl ROTH offers a selected range of melting point standards. To allow easy handling and ensure maximum safety, the standards are filled in small quantities protected from light and are ready-to-use straight away.
|Meniscus formation||258-263 °C|
|Complete liquefaction||258-263 °C|
|Measurement uncertainty||±0,3 °C|