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α-Naphtholphthalein, pure, indicator, ACROS Organics™


Quantity 25g
Packaging Glass bottle

Manufacturer: thermo fisher scientific  AC190120250

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Catalog No. AC190120250

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Description & Specifications

Chemical Identifiers

Physical Form Powder
Formula Weight 418.45
Purity Grade Extra Pure
Quantity 25g
Color Pink to beige or brown
EINECS Number 209-875-5
TSCA TSCA
Beilstein 18, I, 384
Merck Index 15, 6474
Chemical Name or Material α-Naphtholphthalein
Infrared Spectrum Authentic
Lambda Max 648 to 654nm (in 0.1N NaOH)
Loss on Drying 5% max. (110°C, 1 hr.)
Packaging Glass bottle
Specific Absorbance 550 min. (at lamda max)
Visual Transition Interval from pH 7.3 (pinkish-yellow) to pH 8.7 (greenish--blue)
Molecular Formula C28H18O4
MDL Number MFCD00036202
CAS 596-01-0

Specifications

Chemical Name or Material α-Naphtholphthalein
CAS 596-01-0
Purity Grade Extra Pure
Molecular Formula C28H18O4
Formula Weight 418.45
MDL Number MFCD00036202