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4-Amino-3-hydroxy-1-naphthalenesulfonic acid, 99%, Thermo Scientific Chemicals
Description
4-Amino-3-hydroxy-1-naphthalenesulfonic acid is used as mordant dyes and acid dyes intermediate.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
4-Amino-3-hydroxy-1-naphthalenesulfonic acid is used as mordant dyes and acid dyes intermediate.
Solubility
Soluble in bases. Insoluble in water.
Notes
Store away from strong oxidizers, strong bases, acid anhydrides, acid chlorides.

Specifications
Specifications
Melting Point | ∼295°C (decomposition) |
Quantity | 25 g |
Beilstein | 2697469 |
Merck Index | 14,454 |
Solubility Information | Soluble in bases. Insoluble in water. |
Formula Weight | 239.25 |
Percent Purity | 99% |
Chemical Name or Material | 4-Amino-3-hydroxy-1-naphthalenesulfonic acid |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
U13K019 | Certificate of Analysis | 28/08/2024 | B24339.22,B24339.14 |
N26K039 | Certificate of Analysis | 05/03/2024 | B24339.22,B24339.14 |
N13K024 | Certificate of Analysis | 23/02/2024 | B24339.22,B24339.14 |
W01J010 | Certificate of Analysis | 21/09/2023 | B24339.22,B24339.14 |
X27I016 | Certificate of Analysis | 09/11/2022 | B24339.22,B24339.14 |
Safety and Handling

- 4-Amino-3-hydroxy-1-naphthalenesulfonic acid
- Warning
- Serious eye damage/eye irritation Category 2
- Skin corrosion/irritation Category 2
- Specific target organ toxicity Category 3
- H315-Causes skin irritation.
- H319-Causes serious eye irritation.
- H335-May cause respiratory irritation.
- P264-Wash face, hands and anyexposed skin thoroughly after handling.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P332+P313-If skin irritation occurs: Get medical advice/attention.
- P337+P313-If eye irritation persists: Get medical advice/attention.
- MIXTURE LIST-Contains : 4-Amino-3-hydroxy-1-naphthalenesulfonicacid
RUO – Research Use Only
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