ALPHA-NAPHTHOLBENZEIN
Synonym(s):4,4′-(α-Hydroxybenzylidene)di-1-naphthol;p-naphtholbenzein
- CAS NO.：6948-88-5
- Empirical Formula: C27H20O3
- Molecular Weight: 392.45
- MDL number: MFCD00003979
- EINECS: 230-116-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is ALPHA-NAPHTHOLBENZEIN?
Chemical properties
RED-BROWN POWDER
The Uses of ALPHA-NAPHTHOLBENZEIN
α-Naphtholbenzein can be used as an indicator during non-aqueous titration.
Purification Methods
-{4-hydroxynaphth-1-yl})-benzyl alcohol] B2319 M 392.5, m 122-125o, ~ 9.3. Crystallise the alcohol from EtOH, aqueous EtOH or glacial acetic acid. pKEst [Beilstein 6 H 1150.B2319]
Properties of ALPHA-NAPHTHOLBENZEIN
| Melting point: | 230-235 °C(lit.) |
| Boiling point: | 477.16°C (rough estimate) |
| Density | 1.1098 (rough estimate) |
| refractive index | 1.5460 (estimate) |
| storage temp. | Amber Vial, Room Temperature |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Powder |
| pka | 9.14±0.40(Predicted) |
| color | Red-brown |
| PH Range | 8.5(YELLOW)-9.8(GREEN) |
| CAS DataBase Reference | 6948-88-5(CAS DataBase Reference) |
Safety information for ALPHA-NAPHTHOLBENZEIN
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for ALPHA-NAPHTHOLBENZEIN
New Products
Tubulysin F Tubulysin H 2,2-diethoxyethanethioamide 2,2-Difluoropropylamine hydrochloride 1-(1,1-Difluoroethyl)-2-fluorobenzene 3-METHYLAZETIDIN-3-OL HYDROCHLORIDE CYCLOBUTYLAMINE HYDROCHLORIDE 4-(Benzyloxy)-3-bromophenylacetic Acid 4,4-DIFLUOROCYCLOHEXANAMINE Calcium Sodium Phosphosilicate IH 2-[[(3aR,4S,6R,6aS)-6-Aminotetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]ethanol ethanedioate 2-(1-(Mercaptomethyl) cyclopropyl) acetonitrile 2-[2-[3(S)-3[2-(7-chloro-2-quinolinyl) ethenyl] phenyl-3- hydroxyl propyl] phenyl]-2-propanol (1R,2S)-2-(3,4-Difluorophenyl)cyclopropanamine Imeglimin Hydrochloride IH 2,3-dichloro-6- nitrobenzonitrile 1-Aminoindan Hydrochloride Lubiprostone Magnesium Trisilicate Latanoprostene Bunod Flame Retardant Zinc Borate 7-Methoxyquinoline-4-carbonitrile 7-Methoxyquinoline-4-carboxylic acid 1H-Imidazole-4-carbonitrileRelated products of tetrahydrofuran
You may like
-
Alpha-naphtholbenzein 95% CAS 6948-88-5View Details
6948-88-5 -
Fuel shell 98%View Details
-
4,6-dichloro-2-propylthiopyrimidine-5-amine 145783-15-9 98%View Details
145783-15-9 -
Hydrogen Gas 98%View Details
-
590-17-0 Bromoacetonitrile 98%View Details
590-17-0 -
151767-02-1 Montelukast Sodium IP/USP 98%View Details
151767-02-1 -
Valacyclovir Hydrochloride IH 98%View Details
124832-27-5 -
2-[2-[3(S)-3[2-(7-chloro-2-quinolinyl) ethenyl] phenyl-3- hydroxyl propyl] phenyl]-2-propanol 98%View Details
142569-70-8
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.