p-Naphtholbenzein manufacturers
- p-Naphtholbenzein
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- $5.00 / 1kg
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2024-04-16
- CAS:145-50-6
- Min. Order: 1kg
- Purity: 99%
- Supply Ability: g-kg-tons, free sample is available
- α-Naphtholbenzein
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- $9.80 / 1KG
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2020-02-11
- CAS:145-50-6
- Min. Order: 1g
- Purity: >98%
- Supply Ability: 20 tons
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| p-Naphtholbenzein Basic information |
Product Name: | p-Naphtholbenzein | Synonyms: | α-Naphtholbenzein,4,4′-(α-Hydroxybenzylidene)di-1-naphthol, p-naphtholbenzein;alpha-Naphtholbenzein, pure, 90% 10GR;alpha-Naphtholbenzein, pure, 90% 25GR;1-NAPHTHOLBENZEIN INDICATOR 5 G;α- naphthol quinone phenylMethane;MAG BIND EQUIPURE GDNA (1X96);1-Naphtholbenzein indicator Reag. Ph Eur;1(4H)-Naphthalenone, 4-(4-hydroxy-1-naphthalenyl)phenylmethylene- | CAS: | 145-50-6 | MF: | C27H18O2 | MW: | 374.43 | EINECS: | 205-656-3 | Product Categories: | Benzein;Analytical Chemistry;Indicator (pH);pH Indicators | Mol File: | 145-50-6.mol | |
| p-Naphtholbenzein Chemical Properties |
Melting point | 230-235 °C(lit.) | Boiling point | 463.44°C (rough estimate) | density | 1.0946 (rough estimate) | vapor density | 12.9 (vs air) | refractive index | 1.4875 (estimate) | storage temp. | Store at +5°C to +30°C. | solubility | Solubility Insoluble in water; soluble in ethanol, methanol | pka | 8.95(at 25℃) | form | Liquid | color | Pale Red-Brown | PH Range | Green (0.0) to yellow (0.8);Yellow (8.2) to green-blue (11.0) | Odor | Odorless | Water Solubility | insoluble | λmax | 210nm | BRN | 3471575 | Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. | InChIKey | VDDWRTZCUJCDJM-SOYKGTTHSA-N | CAS DataBase Reference | 145-50-6(CAS DataBase Reference) | EPA Substance Registry System | 1(4H)-Naphthalenone, 4-[(4-hydroxy-1-naphthalenyl)phenylmethylene]- (145-50-6) |
| p-Naphtholbenzein Usage And Synthesis |
Chemical Properties | deep red to rust-coloured crystals | Uses | alpha-Naphtholbenzein is a pH indicator (pH 0.0-0.8/ pH 8.2-10.0). Dyes and metabolites. |
| p-Naphtholbenzein Preparation Products And Raw materials |
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