Dinonylnaphthalenesulfonic acid
- CAS NO.：25322-17-2
- Empirical Formula: C28H44O3S
- Molecular Weight: 460.71
- MDL number: MFCD00014324
- EINECS: 246-841-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-08-28 09:47:33
What is Dinonylnaphthalenesulfonic acid?
Description
Dinonylnaphthalenesulfonic acid (DINNSA) is an organic chemical, an aryl sulfonic acid. Its melting point is 259.5°C, and its boiling point is 600.4°C. It has very low water solubility. It is a moderate skin irritant and a strong eye irritant. It has low volatility and vapor pressure and is stable above 100°C. Dinonylnaphthalenesulfonic acid is an additive in industrial lubricants, greases, cutting fluids, industrial coatings, and corrosion inhibitors. Dinonylnaphthalenesulfonic acid is a component of Stadis 450, an antistatic agent added to distillate fuels, solvents, commercial jet fuels, and the military JP-8 fuel to increase the electrical conductivity of the fluid.
Properties of Dinonylnaphthalenesulfonic acid
| Boiling point: | 94-99 °C |
| Density | 0.852 g/mL at 25 °C |
| refractive index | n |
| Flash point: | 30 °F |
| storage temp. | 2-8°C |
| solubility | H2O: insoluble |
| CAS DataBase Reference | 25322-17-2(CAS DataBase Reference) |
| EPA Substance Registry System | Naphthalenesulfonic acid, dinonyl- (25322-17-2) |
Safety information for Dinonylnaphthalenesulfonic acid
Computed Descriptors for Dinonylnaphthalenesulfonic acid
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