Molekula
alpha-Naphtholphthalein
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Alpha-Naphtholphthalein is a pH indicator used in analytical chemistry, particularly in titrations involving strong bases. It changes color from colorless to deep blue in basic solutions. Available in powder form with a purity of ≥98.0% (HPLC), it has a molecular weight of about 418.4 g/mol and a melting point of 240–242 °C. Molekula supplies alpha-Naphtholphthalein from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Este producto está disponible en Molekula bajo consulta. La especificación completa, la Hoja de Datos de Seguridad (SDS) y la documentación del Certificado de Análisis (CoA) se proporcionarán con su cotización una vez que nuestro equipo confirme el grado y el tamaño de envío que necesite.
Resumen
- SKU
- 90036332
- Número CAS
- 596-01-0
- Nombre IUPAC
- 3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one
- Número CE
- 209-875-5
- Masa exacta
- 418.1205
- SMILES
- C1=CC=C2C(=C1)C(=CC=C2O)C3(C4=CC=CC=C4C(=O)O3)C5=CC=C(C6=CC=CC=C65)O
- InChIKey
- HQHBAGKIEAOSNM-UHFFFAOYSA-N
- InChI
- InChI=1S/C28H18O4/c29-25-15-13-23(17-7-1-3-9-19(17)25)28(22-12-6-5-11-21(22)27(31)32-28)24-14-16-26(30)20-10-4-2-8-18(20)24/h1-16,29-30H
- PubChem CID
- 68993
Sinónimos
- 1-Naphtholphthalein
- 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-1-naphthalenyl)-
- 3,3-Bis(4-hydroxy-1-naphthyl)phthalide
- 3,3-bis(4-hydroxynaphthalen-1-yl)-1,3-dihydro-2-benzofuran-1-one
- 3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one
- 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one
- a-naphtholphthalein
- a-Naphtolphtalein
- Naphtholphthalein
- naphtholphthalein blue
Preguntas frecuentes
What is alpha-Naphtholphthalein used for?
It is primarily used as a pH indicator in analytical chemistry, particularly in titrations involving strong bases.
What is the chemical formula and molecular weight of alpha-Naphtholphthalein?
The chemical formula is C28H18O4, and the molecular weight is about 418.4 g/mol.
How should alpha-Naphtholphthalein be stored?
Store in a cool, dry place, protected from light and moisture, in a tightly sealed container.
What grade is available for alpha-Naphtholphthalein?
It is available in analytical grade, suitable for laboratory use.
Can Molekula supply alpha-Naphtholphthalein in bulk?
Yes, Molekula can supply alpha-Naphtholphthalein in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of alpha-Naphtholphthalein?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) upon request.
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Molekula suministra químicos finos y bioquímicos desde 1999, y sus instalaciones están certificadas bajo ISO 9001:2015 e ISO 14001:2015. Cada lote despachado se registra con un número de lote y se asocia a un Certificado de Análisis, y las Fichas de Datos de Seguridad están disponibles en cinco idiomas.