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CAS No.: 68439-57-6
AOS/35 is a high-foaming, anionic surfactant supplied as a 35% active, light yellow clear liquid. It is suitable for personal care (shampoos, body wash), household detergents and industrial cleaning, and can also be used in emulsion polymerization and textile/dyeing processes.
| Product name | AOS/35 (Sodium C14-16 Olefin Sulfonate) |
| CAS No. | 68439-57-6 |
| Structural formula | ① R–CH=CH–(CH₂)ₙ–SO₃Na (n≈14–16) ② R–CH(OH)–(CH₂)ₙ–SO₃Na |
| Grade / Spec. | AOS/35; active matter 34–36% (typical) |
| Active matter (%) | 34 – 36 |
| Appearance (25°C) | Light yellow, transparent liquid |
| Color (Hazen) | ≤ 68 (50% a.m. solution; GB/T 3143) |
| pH (10% solution) | 9.0 – 11.0 |
| Unsulfated matter (%) | ≤ 1.75 |
| Sodium sulfate (%) | ≤ 1.4 |
| Free alkali (as NaOH) (%) | ≤ 0.35 |
| Odor | No abnormal odor |
| Applications | Personal care (shampoos, body wash); household detergents; industrial & HI&I cleaners; emulsion polymerization; textile and dyeing auxiliaries. |