5-Sodiosulfoisophthalic Acid
Product Description
| Product | 5-Sodiosulfoisophthalic Acid |
| CAS | 6362-79-4 |
| Formula | C8H5NaO7S |
| Synonym | SSIPA, 1,3-Benzenedicarboxylic acid, 5-sulfo-, sodium salt (1:1) |
Typical Product Specifications
| Odor | Essentially odorless |
| Assay | 98.0% min |
| Melting Point | 373 to 375 C |
| pH | 2.0 (10% aqueous solution) |
| Water | 1.5% |
| Neutralization Value | 132.5 to 136.5 |
| Acidity | 0.20% as H2SO4 |
| Iron | 4.0 ppm max |
| Water Insolubles | 0.015% max |
| Sodium Chloride | 0.01% max |
| Color | 15 APHA max (5% in water) |
| Appearence | free flowing crystalline solid |
| Water solubility | 380 g/100g at 24C |
| Color | white to off-white |
| Absorptivity | 0.4 mL/g cm at 456 nm |
| Sodium Sulfate Content | 0.30% max |
| Chemical Structure |  |
| Notes | Used as a monomer for waterborne polyesters and nylon fibers, in adhesion aid for magnetic tapes, and amine free polyurethane dispersions. |
| Class | Plastic Additives |
| Industry | Textiles, Plastics, Synthetic Fabrics |
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