We Offer 5-Sodiosulfoisophthalic Acid in various grades
FutureChem® SSIPA
5-Sodiosulfoisophthalic Acid
Synonyms:
NaSIPA; 5-Sulfoisophthalic acid monosodium salt; Monosodium 5-sulfoisophthalate; Sodium 3,5-dicarboxybenzene-1-sulfonate; Sodium 5-sulfoisophthalate
Structure:
Product Description
High melting, water-soluble white solid used as an additive in polyester and polyamide applications.
Applications:
- Monomer for Waterborne Polyesters
- Monomer for Nylon Fibers
- Amine Free Polyurethane Dispersions
- Adhesion Aid for Magnetic Tapes
Availability:
100 kg Fiber Drums, 250 kg/400 kg/600 kg/1000 kg Bulk Bags
Physical Properties
Property, Unit |
Value |
|---|---|
Formula |
C8H5NaO7S |
CAS Number |
6362-79-4 |
Absorptivity @ 450 nm, mL/g·cm |
0.4 |
Appearance |
Free flowing crystalline solid |
Color |
White to off-white |
Melting Point, °C |
373 to 375 |
Molecular Weight, g/mol |
268.17 |
pH , 10% aqueous solution |
2 |
Water Solubility @ 25°C, g/100 g |
380 |
Typical Specifications
(Data is representative of average lots; data taken from
specific lots may vary.)
Acidity, % as H2SO4 |
≤0.20 |
APHA Color, ppm |
≤15 |
Iron, ppm |
≤4.0 |
Neutralization Equivalent |
132.5 to 136.5 |
Purity, % |
≥98.0 |
Sodium chloride, % |
≤0.01 |
Sodium sulfate, % |
≤0.30 |
Water insolubles, % |
≤0.015 |
Water, % |
≤1.5 |
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FutureChem® SSIPA
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FutureChem® SSIPA