We Offer 5-Sulfoisophthalic Acid in various grades
FutureChem® HSIPA
5-Sulfoisophthalic Acid
Synonyms:
5-SIPA; 5-Sulfo-1,3-benzenedicarboxylic acid; 1,3-Benzenedicarboxylic acid, 5-sulfo-
Structure:
Product Description
Water-soluble
sulfonic acid.
Applications:
- Monomer for Waterborne Polyesters and Nylon Fibers
- Acid Catalyst
- Precursor to Polymer Additive Salts
Availability:
90 kg Fiber Drums, 500 Kg Bulk Bags
Physical Properties
Property, Unit |
Value |
|---|---|
Formula |
C8H6O7S |
CAS Number |
22326-31-4 |
Appearance |
Crystalline powder |
Color |
White to off-white |
Melting Point, °C |
>197 |
Molecular Weight, g/mol |
245.71 |
pH , 10% aqueous solution |
<1.2 |
Water Solubility @ 25°C, g/100 g |
>100 |
Typical Specifications
(Data is representative of average lots; data taken from
specific lots may vary.)
Acetic Acid, % |
≤0.2 |
Acidity, % as H2SO4 |
≤0.4 |
APHA Color, ppm |
≤20 |
Iron, ppm |
≤2 |
Isophthalic Acid (Water Insolubles Method), ppm |
≤150 |
Purity, % |
≥91.5 |
Water, % |
≤8.0 |
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FutureChem® HSIPA
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FutureChem® HSIPA