Fenoloftaleina, wskaźnik, ACS – Scharlau
Informacje dodatkowe
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Phenolphthalein, indicator, ACS
– Synonyms: 3,3-Bis(p-hydroxyphenyl)phthalide
– C20H14O4
– M = 318,33 g/mol
– CAS [77-09-8]
– EINECS-No.: 201-004-7
– Solub. in water: (20 ºC): insoluble
– Melting point: 261 – 263 ºC
– GHS-signal word: Danger
– GHS-H sentences: H350 – H341 – H361f
– GHS-P sentences: P281 – P201 – P202 – P308+P313 – P405 – P501a
– Tariff number: 2932 20 10 00
– Applications: analytical chemistry, laboratory reagent, indicator, in the pharmaceutics industry (laxative).
SPECIFICATIONS
pH range (colourless to violet-red) : 8 – 10
Absorption maximum l (pH 9,8): 551 – 554 nm
Absorptivity (A1%/1 cm; l max; pH 9,8 on dried sample): 500 – 600
clarity of alcohol solution: passes test
loss on drying (110 ºC): max. 1 %
