4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID
- CAS NO.：5463-64-9
- Empirical Formula: C34H26N6O6S2
- Molecular Weight: 678.74
- MDL number: MFCD00041943
- EINECS: 226-754-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:52
What is 4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID?
Chemical properties
DARK COLORED CRYSTALS WITH A GREEN SHEEN
The Uses of 4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID
A new indicator for the determination of organic acid anhydrides by the morpholine method.
What are the applications of Application
4,4′-Bis(4-amino-1-naphthylazo)-2,2′-stilbenesulfonic Acid is Indicator for Organic Acid Anhydrides by morpholine method
Properties of 4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID
| Melting point: | >300°C |
| Density | 1.2173 (rough estimate) |
| refractive index | 1.7000 (estimate) |
| storage temp. | Hygroscopic, Refrigerator, Under Inert Atmosphere |
| solubility | Basic Methanol (Slightly), DMSO (Slightly, Heated) |
| form | Solid |
| pka | -1.33±0.50(Predicted) |
| Colour Index | 24860 |
| color | Black |
| Stability: | Hygroscopic |
| EPA Substance Registry System | Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[(4-amino-1-naphthalenyl)azo]- (5463-64-9) |
Safety information for 4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID
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![m-[(p-Aminophenyl)azo]benzenesulphonic acid](https://img.chemicalbook.in/CAS/GIF/102-23-8.gif)
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