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alpha-Naphtholbenzein, Thermo Scientific Chemicals
產品號碼: A16125.22
100 g, Each
化學識別
CAS
145-50-6
IUPAC Name
(4E)-4-[(4-hydroxynaphthalen-1-yl)(phenyl)methylidene]-1,4-dihydronaphthalen-1-one
Molecular Formula
C27H18O2
InChI Key
VDDWRTZCUJCDJM-SOYKGTTHSA-N
SMILES
OC1=C2C=CC=CC2=C(C=C1)C(\C1=CC=CC=C1)=C1/C=CC(=O)C2=CC=CC=C12
規格
規格表Form
Powder
Color Change
Orange @ pH8.2 to blue-green @ pH10.0
Specific Absorbance (E 1%/1cm)
≥350
Comment
Suitable for use as an indicator
lambda-max (UV-Vis)
644-652nm (0.01M NaOH)
說明
α-Naphtholbenzein is used as a pH indicator. (pH 0.0-0.8/ pH 8.2-10.0).
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
α-Naphtholbenzein is used as a pH indicator. (pH 0.0-0.8/ pH 8.2-10.0).
Solubility
Soluble in ethanol, acetic acid and acetone. Insoluble in water.
Notes
Incompatible with strong oxidizing agents, acids, water reactive substances, azo, diazo, hydrazines, metals, nitrides, peroxides, hydroperoxides, epoxides and reducing agents.
α-Naphtholbenzein is used as a pH indicator. (pH 0.0-0.8/ pH 8.2-10.0).
Solubility
Soluble in ethanol, acetic acid and acetone. Insoluble in water.
Notes
Incompatible with strong oxidizing agents, acids, water reactive substances, azo, diazo, hydrazines, metals, nitrides, peroxides, hydroperoxides, epoxides and reducing agents.
RUO – Research Use Only
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