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 |
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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