Sodium Alkyl Naphthalene Sulphonate for Industrial and Specialty Formulations
Sodium Alkyl Naphthalene Sulphonate Sodium Alkyl Naphthalene Sulphonate (SANS) is an anionic surfactant and dispersant used in wetting, cleaning, personal care, textile, pesticide, pigment, and industrial formulation systems.
This page keeps the original product specification values and adds buyer-focused structure for sourcing, formulation testing, documentation, packaging, and export communication.
Use the values below as the original page specification reference, then confirm current TDS, COA, SDS, batch data, and application test results before purchase.
Main Specification
The following values are taken from the original product page and kept as the specification baseline for this optimized page.
| Physical / chemical property | Original value | Buyer note |
|---|---|---|
| Appearance | Light brown to off-white powder | Original page information |
| Odor | Slight characteristic odor | Original page information |
| Molecular formula | C10H7-R-SO3Na | Original page information |
| Molecular weight | Typically 300-500 g/mol | Original page information |
| pH, 1% solution | 7.0-9.0 | Original page information |
| Solubility | Soluble in water, partially soluble in alcohols | Original page information |
| Density | 0.5-0.8 g/cm3 | Original page information |
Original Powder Form Properties
| Property | Original value | Buyer note |
|---|---|---|
| Appearance | White / beige powder | Original page typical property |
| Active content | 60-80% | Original page typical property |
| pH, 10% solution | 5-8 | Original page typical property |
| Bulk density | 0.50-0.70 g/ml | Original page typical property |
| Loss on drying | ≤10% | Original page typical property |
| Sulfate content | 15-30% | Original page typical property |
| Water solubility | Excellent | Original page typical property |
Original Liquid Form Properties
| Property | Original value | Buyer note |
|---|---|---|
| Appearance | Dark brown liquid | Original page typical property |
| Active content | 60-80% | Original page typical property |
| pH, 10% solution | 5-8 | Original page typical property |
| Viscosity at 25°C | 200-1000 mPa.s | Original page typical property |
| Density at 25°C | 1.10-1.30 kg/L | Original page typical property |
| Flash point | >100°C | Original page typical property |
| Solubility in water | Soluble | Original page typical property |
| Sulfate content | 15-30% | Original page typical property |
Industrial Applications
Application should be selected by process route, water quality, pH, temperature, salts, raw materials, equipment, local regulation, and customer approval testing.
Wetting
Wetting and dispersing agent systems. Confirm grade, dosage, compatibility, and local compliance before commercial use.
Personal care
Personal care and cleaning products. Confirm grade, dosage, compatibility, and local compliance before commercial use.
Laundry
Laundry and dishwashing formulations. Confirm grade, dosage, compatibility, and local compliance before commercial use.
Pesticide formulation auxiliaries
Pesticide formulation auxiliaries. Confirm grade, dosage, compatibility, and local compliance before commercial use.
Pigment
Pigment and dye dispersion. Confirm grade, dosage, compatibility, and local compliance before commercial use.
Industrial emulsion
Industrial emulsion and suspension support. Confirm grade, dosage, compatibility, and local compliance before commercial use.
Grade Selection Guide
Use the original specification as a starting point, then qualify the exact commercial grade by sample testing and latest documents.
- Original specification match
- Application-route testing
- pH, solubility, and salt tolerance
- TDS, COA, SDS, and batch documents
- Packaging and moisture protection
- Destination-market compliance
Packaging, Documents, and Related Products
Common export support can include 25 kg bags, jumbo bags, palletized shipment, moisture protection, sample lots, TDS, COA, SDS, and customized packing information. Share target application, required specification, destination market, package preference, and annual demand.
FAQ
Are the specification values original?
Yes. The Main Specification section keeps the original page values and presents them in a cleaner buyer-ready format.
Should buyers rely only on the page specification?
No. Buyers should confirm the latest TDS, COA, SDS, sample result, destination-market compliance, and contract specification before order.
Can China Lignin support samples and export documents?
Samples, TDS, COA, SDS, packing information, and export quotation can be prepared after the buyer confirms target application, required specification, destination market, and volume.

