4-(4-Nitrophenylazo)-1-naphthol
Synonym(s):4-(4-Nitrophenylazo)-1-naphthol;Magneson II
- CAS NO.：5290-62-0
- Empirical Formula: C16H11N3O3
- Molecular Weight: 293.28
- MDL number: MFCD00003975
- EINECS: 226-129-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:51:19
What is 4-(4-Nitrophenylazo)-1-naphthol?
Chemical properties
orange to brown powder or crystals
The Uses of 4-(4-Nitrophenylazo)-1-naphthol
4-(4-Nitrophenylazo)-1-naphthol is a reagent used for the determination of Mg.
What are the applications of Application
4-(4-Nitrophenylazo)-1-naphthol is a reagent used for the determination of Mg
Properties of 4-(4-Nitrophenylazo)-1-naphthol
| Melting point: | 270 °C (dec.)(lit.) |
| Boiling point: | 435.13°C (rough estimate) |
| Density | 1.2211 (rough estimate) |
| refractive index | 1.6500 (estimate) |
| storage temp. | Store below +30°C. |
| form | Powder |
| pka | 8.19±0.40(Predicted) |
| color | Red-brown |
| BRN | 961660 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong bases. |
| CAS DataBase Reference | 5290-62-0(CAS DataBase Reference) |
| EPA Substance Registry System | 1-Naphthalenol, 4-[(4-nitrophenyl)azo]- (5290-62-0) |
Safety information for 4-(4-Nitrophenylazo)-1-naphthol
| 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. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 4-(4-Nitrophenylazo)-1-naphthol
4-(4-Nitrophenylazo)-1-naphthol manufacturer
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