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CAS125-20-2 Thymolphthalein: Name (Content and Impurity Content%) Standard Melting point °C 251-255 Appearance White or slightly yellow needle-like crystals PH color gamut 9.3 (colorless) - 10.5 (blue) Ash residue ...

1,10-Phenanthroline Hydrate ISO Certified Reference Purity Degree 99% CAS 5144-89-8: Name (Content and Impurity Content%) Standard Content, % ≥99.0 Appearance White needle-like crystals Molar coefficient of iron complex ≥1.15×104 L/ cm· mol Ethanol Dissolution Experiment ...

Wholesale Purity Degree 99% CAS 125-20-2: Name (Content and Impurity Content%) Standard Melting point °C 251-255 Appearance White or slightly yellow needle-like crystals PH color gamut 9.3 (colorless) - 10.5 (blue) Ash residue ...

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CAS125-20-2 Thymolphthalein