α-Naphtholphthalein, pure indicator
Supplier: Thermo Fisher Scientific
About this item
Synonyms: 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one
- CAS Number:596-01-0
- Formula:C₂₈H₁₈O₄
- MDL Number:MFCD00036202
- Molecular Weight:418.45 g/mol
- Melting Pt:240…250 °C
- Storage Temperature:Ambient
- EINECS:209-875-5
3 Options Available Below
Product Details & Documents
Synonyms: 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one
- CAS Number:596-01-0
- Formula:C₂₈H₁₈O₄
- MDL Number:MFCD00036202
- Molecular Weight:418.45 g/mol
- Melting Pt:240…250 °C
- Storage Temperature:Ambient
- EINECS:209-875-5
Documents
ACRO19012
SDS
Specifications for Product Family
Specification Test Results
- Appearance:Beige to pink to brown Powder
- Infrared spectrum:Conforms
- Loss on drying:≤5 % (110°C, 1 h)
- UV Lambda max:648 to 654 nm (in 0.1N NaOH)
- Specific absorbance A (1%/1cm):≥550 (at lamda max)
- Visual transition interval:from pH 7.3 (pink-yellow) to pH 8.7 (green-blue)
Product Family Options
Product Information
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