p-Naphtholbenzein
Synonym(s):1-Naphtholbenzein
- CAS NO.:145-50-6
- Empirical Formula: C27H18O2
- Molecular Weight: 374.43
- MDL number: MFCD00078492
- EINECS: 205-656-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-16 14:59:45
What is p-Naphtholbenzein?
Chemical properties
deep red to rust-coloured crystals
The Uses of p-Naphtholbenzein
alpha-Naphtholbenzein is a pH indicator (pH 0.0-0.8/ pH 8.2-10.0). Dyes and metabolites.
What are the applications of Application
α-Naphtholbenzein is a pH indicator (pH 0.0-0.8/ pH 8.2-10.0)
Properties of p-Naphtholbenzein
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 |
form | Liquid |
pka | 8.95(at 25℃) |
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. |
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) |
Safety information for p-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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for p-Naphtholbenzein
InChIKey | VDDWRTZCUJCDJM-SOYKGTTHSA-N |
Abamectin manufacturer
Arnish Laborates Pvt Ltd
1Y
Phone:+91-7208475595
Whatsapp: +91 7208475595
product: 145-50-6 P. NAPHTHOL BENZEIN 99%
New Products
Tubulysin I (2S,4R)-4-amino-2-methyl-5-phenylpentanoic acid hydrochloride Tubulysin C Potassium HMDS (1.0 M in THF) CYCLOBUTYLAMINE HYDROCHLORIDE 1-(1,1-Difluoroethyl)-2-fluorobenzene 3-METHYLAZETIDIN-3-OL HYDROCHLORIDE 2,2-Difluoropropylamine hydrochloride 4,4-DIFLUOROCYCLOHEXANAMINE Isoxazole, 3-[[[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]methyl]thio]-4,5-dihydro-5,5-dimethyl- Calcium Sodium Phosphosilicate IH 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 2-[[(3aR,4S,6R,6aS)-6-Aminotetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]ethanol ethanedioate Fuel shell Lubiprostone Magnesium Trisilicate Latanoprostene Bunod Flame Retardant Zinc Borate methyl 3-fluoro-4- thiomorpholino phenylcarbamate (R)-(3-(3-fluoro-4- thiomorpholinophenyl)-2- oxooxazolidin-4-yl) methyl methanesulfonate 7-Methoxyquinoline-4-carbonitrile 1H-Imidazole-4-carbonitrileRelated products of tetrahydrofuran
Naphthol benzyl alcohol indicator solution
7,8-Dihydroxycoumarin
lithospermic acid B
5,5-Diphenylhydantoin
Magnesium sulfate
Phenylfluorone
industrial alcohol
4-METHYL-1-NAPHTHOL
You may like
-
145-50-6 P. NAPHTHOL BENZEIN 99%View Details
145-50-6 -
145-50-6 99%View Details
145-50-6 -
p-Naphtholbenzein CAS 145-50-6View Details
145-50-6 -
α-Naphtholbenzein (pH Indicator) CAS 145-50-6View Details
145-50-6 -
alpha-Naphtholbenzein 95.00% CAS 145-50-6View Details
145-50-6 -
P-Naphtholbenzein 95% CAS 145-50-6View Details
145-50-6 -
1-Naphtholbenzein CAS 145-50-6View Details
145-50-6 -
a-NAPHTHOLBENZEIN Indicator grade CAS 145-50-6View Details
145-50-6
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.