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what is of Thymolphthalein with cas 125-20-2
Thymolphthalien is an acid-base indicator which is colourless in acidic form and deep blue in basic form. Acidic form retains hydrogen on each hydroxyl group. It is suitable in preparing disappearing ink.
Quick Details of Thymolphthalein with cas 125-20-2
CAS No.:125-20-2
Other Names:Thymolphthalein
MF:C28H30O4
EINECS No.:204-729-7
Place of Origin:Shandong, China
Type:Syntheses Material Intermediates
Purity:99%
Brand Name:Unilong
Model Number:JL20210098
Application:medical intermediate, medical intermediate
Appearance:White crystal powder
Product name:Thymolphthalein
CAS:125-20-2
Shelf life:2 Years
MOQ:1kg
Packing:25kg/drum
molecular formula:C28H30O4
EINECS:204-729-7
Delivery:Immediately
Color:White crystal powder
Specification of Thymolphthalein with cas 125-20-2
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Melting point
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251-253 °C(lit.)
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Boiling point
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504.79°C (rough estimate)
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density
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0.92 g/mL at 25 °C
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refractive index
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1.6400 (estimate)
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Fp
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74 °F
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storage temp.
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no restrictions.
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solubility
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ethanol: clarity passes test
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form
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Low Melting Mass
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pka
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9.70, 10.0(at 25℃)
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Specific Gravity
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0.92
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Packing
25kgs/drum, 9tons/20’container
Usage
As pH indicator: colorless 9.3 to blue 10.5. Also as reagent for blood after decolorizing the alkaline solution by boiling with zinc dust.
