Sodium poly[(naphthaleneformaldehyde)sulfonate]
- CAS NO.：9084-06-4
- Empirical Formula: (C11H7O4SNa)n
- Molecular Weight: 0
- MDL number: MFCD01324675
- EINECS: 618-665-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-17 09:50:07
What is Sodium poly[(naphthaleneformaldehyde)sulfonate]?
Chemical properties
Sodium poly[(naphthaleneformaldehyde)sulfonate] is a brown powde，soluble in water, resistant to acid, alkali and hard water. Annd it has good diffusivity and excelllent resistant to high temperatures than NNO. Sodium poly[(naphthaleneformaldehyde)sulfonate] is commonly used as dispersant and filler of scattered dyes, reactive dyes, pesticides, leather tanning agent, also water reducing agent for construction and oil well.
The Uses of Sodium poly[(naphthaleneformaldehyde)sulfonate]
Used as a diluent for pulp control in the paper industry, reducing duplexity, improving filler or fines retention, improving sizing, and reducing coating viscosity.
Used as a high-efficiency dispersant for water-based coatings and pigment pastes.
Used as an adhesive, improve water resistance of filler powder andsealing layers.
Synthesis
The solution of naphthalene(550kg)was heated at 50°C for 4h in the reaction kettle. Then cool down and pass water vapor to hydrolyze the by-product to give 1-naphthalenesulfonic acid. After the hydrolysis is completed, formaldehyde (37%) is added under 196kPa. Finally, alkali is added to neutralize to pH 8-10. The mixtrue was cooling and crystallization,and filtered out to give the product, Sodium poly[(naphthaleneformaldehyde)sulfonate] .
Properties of Sodium poly[(naphthaleneformaldehyde)sulfonate]
| PH | pH (20g/l, 25℃) : 6.0～9.0 |
| Hydrolytic Sensitivity | 0: forms stable aqueous solutions |
| EPA Substance Registry System | Naphthalenesulfonic acid formaldehyde polymer sodium salt (9084-06-4) |
Safety information for Sodium poly[(naphthaleneformaldehyde)sulfonate]
Computed Descriptors for Sodium poly[(naphthaleneformaldehyde)sulfonate]
Sodium poly[(naphthaleneformaldehyde)sulfonate] manufacturer
Venki Chem
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