Disodium 1,5-naphthalenedisulfonate
- CAS NO.：1655-29-4
- Empirical Formula: C10H6Na2O6S2
- Molecular Weight: 332.26
- MDL number: MFCD00064178
- EINECS: 216-732-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:27:05
What is Disodium 1,5-naphthalenedisulfonate?
Chemical properties
White powder, hygroscopic, exists in the form of hydrates, mainly used as a dye intermediate.
The Uses of Disodium 1,5-naphthalenedisulfonate
Sodium 1,5-Naphthalenedisulfonate is a petroleum disulfonates in crude oil; It is used in the synthesis of Levobunolol Hydrochloride; Also, it is capable of recycling wastewater.
What are the applications of Application
1,5-Naphthalenedisulfonic acid disodium salt is This compound contains sodium chloride.
Flammability and Explosibility
Not classified
Synthesis
Prepared by sulfonation of naphthalene.
Purification Methods
Recrystallise it from pKEst aqueous acetone [Okahata et al. J Am Chem Soc 108 2863 1986]. [Beilstein 11 IV 561.]
Properties of Disodium 1,5-naphthalenedisulfonate
| Boiling point: | 300℃[at 101 325 Pa] |
| Density | 1.82[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | almost transparency in Water |
| form | powder to crystal |
| color | White to Almost white |
| Water Solubility | 113.4g/L at 20℃ |
| BRN | 3642373 |
| CAS DataBase Reference | 1655-29-4(CAS DataBase Reference) |
| EPA Substance Registry System | 1,5-Naphthalenedisulfonic acid, disodium salt (1655-29-4) |
Safety information for Disodium 1,5-naphthalenedisulfonate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 Disodium 1,5-naphthalenedisulfonate
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