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Rojo de fenol, indicador, ACS, Fenolsulfonftaleína, PR

CAS: 143-74-8

Packaging	Reference	Stock	My Price
x 5 g :: Glass bottle	RO01300005	In stock	Buy

Other Packaging

Packaging	Reference	Stock	My Price
x 10 g :: Glass bottle	RO01300010	Check stock	Buy
x 25 g :: Glass bottle	RO01300025	Check stock	Buy
x 1 kg :: Plastic container	RO01301000	Check stock	Buy

- Synonyms: Phenolsulfonphthalein, PR - C19H14O5S - M = 354,38 g/mol - CAS [143-74-8] - EINECS-No.: 205-609-7 - Solub. in water: (20 ºC): almost insoluble - Tariff number: 2934 99 90 90 - Applications: analytical chemistry, indicator. SPECIFICATIONS pH range (yellow-red): 6,8 - 8,2 clarity of solution: passes test Absorption maximum l1 (pH 1,2): 503 - 506 nm Absorption maximum l2 (pH 3,0): 430 - 435 nm Absorption maximum l3 (pH 6,5): 430 - 435 nm Absorption maximum l4 (pH 8,8): 557 - 560 nm Absorptivity (A1%/1 cm; l1, on dried sample): 900 - 1100 Absorptivity (A1%/1 cm; l2; on dried sample): 500 - 700 Absorptivity (A1%/1 cm; l3 , on dried sample): 500 - 700 Absorptivity (A1%/1 cm; l4 , on dried sample): 1000 - 1200 insoluble in C2H5OH : passes test copper (Cu): max. 0,005 % iron (Fe): max. 0,005 % lead (Pb): max. 0,005 % nickel (Ni): max. 0,005 % loss on drying (110 ºC): max. 5 %

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