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alpha-Naphtholphthalein
Indicator in 0.1% or 0.04% alcohol solution | CAS: 596-01-0 | C28H18O4 | 418.448 g/mol
Supplier: Thermo Scientific Chemicals 04122106
Description
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.
Specifications
| alpha-Naphtholphthalein | |
| 238°C to 240°C | |
| C28H18O4 | |
| 5 g | |
| 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 | |
| HQHBAGKIEAOSNM-UHFFFAOYSA-N | |
| 3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one | |
| 68993 | |
| Powder |
| 596-01-0 | |
| Brown | |
| MFCD00036202 | |
| 14,6389 | |
| Soluble in ethanol. Insoluble in water. | |
| C1=CC=C2C(=C1)C(=CC=C2O)C3(C4=CC=CC=C4C(=O)O3)C5=CC=C(C6=CC=CC=C65)O | |
| 418.448 | |
| 418.45 |
Chemical Identifiers
| 596-01-0 | |
| 418.448 | |
| HQHBAGKIEAOSNM-UHFFFAOYSA-N | |
| 68993 | |
| C1=CC=C2C(=C1)C(=CC=C2O)C3(C4=CC=CC=C4C(=O)O3)C5=CC=C(C6=CC=CC=C65)O |
| C28H18O4 | |
| MFCD00036202 | |
| 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 | |
| 3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one |
Safety and Handling
GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do.
Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
Warning
EINECSNumber : 209-875-5
TSCA : No
Recommended Storage : Ambient temperatures
RUO – Research Use Only