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  7. alpha-Naphtholphthalein, Thermo Scientific Chemicals

alpha-Naphtholphthalein, Thermo Scientific Chemicals

Catalog Number 11309597
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Quantity:
1 g
5 g
25 g
This item is not returnable. View return policy
596-01-0
C28H18O4
418.448
MFCD00036202
HQHBAGKIEAOSNM-UHFFFAOYSA-N
alpha-naphtholphthalein, naphtholphthalein, 1-naphtholphthalein, a-naphtholphthalein, 3,3-bis 4-hydroxynaphthalen-1-yl isobenzofuran-1 3h-one, unii-2qeg1706nn, 1 3h-isobenzofuranone, 3,3-bis 4-hydroxy-1-naphthalenyl, naphtholphthalein blue, alpha-naphtholphtalein, 3,3-bis 4-hydroxy-1-naphthyl phthalide
68993
3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one
C1=CC=C2C(=C1)C(=CC=C2O)C3(C4=CC=CC=C4C(=O)O3)C5=CC=C(C6=CC=CC=C65)O
This item is not returnable. View return policy
596-01-0
C28H18O4
418.448
MFCD00036202
HQHBAGKIEAOSNM-UHFFFAOYSA-N
alpha-naphtholphthalein, naphtholphthalein, 1-naphtholphthalein, a-naphtholphthalein, 3,3-bis 4-hydroxynaphthalen-1-yl isobenzofuran-1 3h-one, unii-2qeg1706nn, 1 3h-isobenzofuranone, 3,3-bis 4-hydroxy-1-naphthalenyl, naphtholphthalein blue, alpha-naphtholphtalein, 3,3-bis 4-hydroxy-1-naphthyl phthalide
68993
3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one
C1=CC=C2C(=C1)C(=CC=C2O)C3(C4=CC=CC=C4C(=O)O3)C5=CC=C(C6=CC=CC=C65)O

Description

Indicator in 0.1% or 0.04% alcohol solution

Indicator in 0.1% or 0.04% alcohol solution.α-Naphtholphthalein is used as a pH indicator and operates in the pH ranges between 7.3 and 8.7. It is also used in the designing of optical carbon dioxide sensor based on fluorescence intensity.

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.

TRUSTED_SUSTAINABILITY
Melting Point 238°C to 240°C
Color Brown
Quantity 5 g
Merck Index 14,6389
Solubility Information Soluble in ethanol. Insoluble in water.
Formula Weight 418.45
Physical Form Powder
Chemical Name or Material alpha-Naphtholphthalein

RUO – Research Use Only

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