1,6-Naphthalenedisulfonic acid
- CAS NO.：525-37-1
- Empirical Formula: C10H8O6S2
- Molecular Weight: 288.3
- MDL number: MFCD01463380
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-23 15:38:09
What is 1,6-Naphthalenedisulfonic acid ?
The Uses of 1,6-Naphthalenedisulfonic acid
Alkali fusion of 1,6-Naphthalenedisulfonic acid yields 1,6-dihydroxynaphthalene, and sulfonation with oleum produces naphthalene-1,3,6-trisulfonic acid. However, the main outlet for naphthalene-1,6-disulfonic acid is via nitration to 1- nitronaphthalene-3,8-disulfonic acid, which is the intermediate for 1-aminonaphthalene-3,8- disulfonic acid.
Definition
ChEBI: Naphthalene-1,6-disulfonic acid is a naphthalenesulfonic acid.
Production Methods
Separation from the 1,5-disulfonic acid process (see above) usually meets requirements for the preparation of Naphthalene-1,6-disulfonic acid. It can also be prepared by sulfonation of naphthalene-2- sulfonic acid with oleum, which gives naphthalene-1,7-disulfonic acid as a byproduct.
Properties of 1,6-Naphthalenedisulfonic acid
| Melting point: | 125°C (rough estimate) |
| Boiling point: | 400.53°C (rough estimate) |
| Density | 1.6867 (rough estimate) |
| refractive index | 1.5630 (estimate) |
| storage temp. | Inert atmosphere,Room Temperature |
| pka | -0.17±0.40(Predicted) |
Safety information for 1,6-Naphthalenedisulfonic acid
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P310:Immediately call a POISON CENTER or doctor/physician. 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 1,6-Naphthalenedisulfonic acid
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