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α-Naphtholphthalein ≥98.0% (by HPLC)

Fornitore: TCI EUROPE

Synonyms: 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one

N0031-1G N0031-5G
TCIAN0031-1GEA 33 EUR
TCIAN0031-1G TCIAN0031-5G
α-Naphtholphthalein ≥98.0% (by HPLC)
α-Naphtholphthalein
Formula: C₂₈H₁₈O₄
Peso molecolare: 418,45 g/mol
MDL Number: MFCD00036202
CAS Number: 596-01-0
EINECS: 209-875-5
Merck Index: 14,06389
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Risultati del test di specificazione

Appearance White to Brown powder to crystal
Purity (HPLC) min. 98.0 area%
Absorbance min. 0.680 (10 mg/L, pH 9.2)
Solubility in EtOH almost transparency
Transition interval (pH) (pale redlish orange)7.0 to 8.6 (blue)

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