2-Naphthylamine-1-Sulfonic Acid(CAS 81-16-3)
UN No.:
UN 2585
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 100G | In Stock | 3 USD
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| 98% | RG | 500G | In Stock | 7 USD
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| 98% | RG | 2.5KG | In Stock | 34 USD
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| 98% | RG | 25KG | In Stock | 334 USD
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Applications of 81-16-3
2-Aminonaphthalene-1-sulfonic acid has several important applications:
- Dye Manufacturing: It serves as a key intermediate in the production of azo dyes, such as C.I. Acid Yellow 19 and C.I. Pigment Red 49.
- Optical Brighteners: The compound is utilized in formulations for optical brighteners that enhance the brightness of textiles and paper products.
- Research: Its biological properties make it a subject of interest in pharmacological studies related to drug metabolism and toxicity.
Physical and chemical properties of 81-16-3
Acidity coefficient |
pK1: 2.35 (25°C) |
|---|---|
Boiling Point |
220°C (rough estimate) |
BRN |
613084 |
Decomposition |
When heated to decomp it emits very toxic fumes of /nitrogen oxides and sulfur oxides/. |
Density |
1.5±0.1 g/cm3 |
Exact Mass |
223.030319 |
Index of Refraction |
1.713 |
LogP |
log Kow= -1.16 |
Melting Point |
180ºC |
Merck |
14,6406 |
Molecular Formula |
C10H9NO3S |
Molecular Weight |
223.248 |
PSA |
88.77000 |
Solubility |
In water, 4,100 mg/l @ 20 °C |
Storage condition |
-20°C Freezer, Under inert atmosphere |
Water Solubility |
4.083g/L(20 ºC) |
Spectrums of 81-16-3
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 81-16-3
Cas:567-47-5
Cas:7664-41-7
Cas:91-59-8
Q&A for CAS 81-16-3
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Download SDS of 81-16-3
Pictograms |
 |
|---|---|
Signal Word |
Warning |
Hazard Statements |
H319 Causes serious eye irritation |
Safety Data Sheet |
Download COA of 81-16-3
Operate under the ISO 9001 system
