α-Naphtholphthalein, pure, indicator

Name: α-Naphtholphthalein, pure, indicator
SKU: 190120250

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Quantity:

25 g

1 g

5 g

Packaging:

Glass bottle

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Catalog number 190120250

Price (USD)/ Each

Quantity:

25 g

Packaging:

Glass bottle

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Chemical Identifiers

IUPAC Name3,3-bis(4-hydroxynaphthalen-1-yl)-1,3-dihydro-2-benzofuran-1-one

Molecular FormulaC28H18O4

InChI KeyHQHBAGKIEAOSNM-UHFFFAOYSA-N

SMILESOC1=C2C=CC=CC2=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=C2C=CC=CC2=C(O)C=C1

Molecular Weight (g/mol)418.45

Specifications

Specification Sheet

Appearance (Form)Powder

Loss on drying=<5 % (110°C, 1 h)

Specific absorbance A (1%/1cm)>=550 (at lamda max)

Appearance (Color)Beige to pink to brown

UV Lambda max648 to 654 nm (in 0.1N NaOH)

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Indicator

RUO – Research Use Only