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IND
LABOR
403633125
Phenolphthalein IND Grade Reagent
Cas Number:77-09-8
Formula: C20H14O4
Molar Mass:318.33
EC Number:201-004-7
Properties:
White or light yellow three oblique fine crystals. It is stable in the air. 1g can be dissolved in 12ml of ethanol, about 100ml of ether, it is soluble in dilute alkali solution, and slightly soluble in chloroform, almost insoluble in water. The relative density is 1.299. The melting point is 258 ~ 262 ° C. The maximum absorption wavelength (in methanol) is 205, 229, 276 nm (ε27261.147, 14692.144, 2006.369). The minimum lethal dose (rat, abdominal cavity) is 500mg/kg.
Usage:
Acid-base indicator. Non-aqueous solution titration indicator. Spectrum analysis.
Packing:
500g/25kg
Phenolphthalein IND Grade Reagent
Cas Number:77-09-8
Formula: C20H14O4
Molar Mass:318.33
EC Number:201-004-7
Properties:
White or light yellow three oblique fine crystals. It is stable in the air. 1g can be dissolved in 12ml of ethanol, about 100ml of ether, it is soluble in dilute alkali solution, and slightly soluble in chloroform, almost insoluble in water. The relative density is 1.299. The melting point is 258 ~ 262 ° C. The maximum absorption wavelength (in methanol) is 205, 229, 276 nm (ε27261.147, 14692.144, 2006.369). The minimum lethal dose (rat, abdominal cavity) is 500mg/kg.
Usage:
Acid-base indicator. Non-aqueous solution titration indicator. Spectrum analysis.
Packing:
500g/25kg
