3-Aminonaphthalene-1,5-Disulfonic Acid(CAS 131-27-1)
| Purity | Grade | Package | Stock | Price | Quantity |
| 99% | RG | 25G | In Stock | 5 USD
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| 99% | RG | 100G | In Stock | 10 USD
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| 99% | RG | 500G | In Stock | 59 USD
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| 99% | RG | 2.5KG | In Stock | 164 USD
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| 99% | RG | 10KG | In Stock | 779 USD
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Your region is eligible for ordering. Available NMR Spectrum
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Applications of 131-27-1
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Used as an intermediate for azo dyes and acid dyes, e.g., Direct Black and Direct Blue | Diazotized followed by coupling with aromatic amines or phenolic compounds |
| Textile Printing & Dyeing | Serves as a key component in reactive and direct dyes, delivering deep shades and good wet fastness | Dyeing carried out under alkaline or neutral conditions, with fixation to fibers via covalent bonding or van der Waals forces |
| Paper Industry | Used as a synthetic intermediate for paper colorants and fluorescent whitening agents | Reacted with active groups such as cyanuric chloride to produce functional paper dyes |
| Pharmaceutical Industry | Serves as a synthetic intermediate for certain sulfonamide drugs and diagnostic reagents | Pharmacophoric groups introduced via acylation, condensation, and related reactions |
Physical and chemical properties of 131-27-1
Boiling Point |
205.8°C (rough estimate) |
|---|---|
Density |
1.8±0.1 g/cm3 |
Exact Mass |
302.987122 |
Index of Refraction |
1.733 |
LogP |
-1.57 |
Molecular Formula |
C10H9NO6S2 |
Molecular Weight |
303.312 |
PSA |
151.52000 |
Storage condition |
2-8°C |
Spectrums of 131-27-1
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 131-27-1
Cas:91-20-3
Q&A for CAS 131-27-1
1. How can I verify product quality?
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Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
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Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
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Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
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Download SDS of 131-27-1
Pictograms |
 |
|---|---|
Signal Word |
Warning |
Hazard Statements |
H319 Causes serious eye irritation |
Safety Data Sheet |
Download COA of 131-27-1
Operate under the ISO 9001 system
