Triacetin is a plasticizer and hydrolysis stabilizer improving flexibility and moisture resistance in polymers.
| Parameter | Value | Test Method | 
| Appearance | Clear, colorless liquid | Visual inspection | 
| Purity (%) | ≥ 99.0 | GC | 
| Acid Value (mg KOH/g) | ≤ 0.5 | Titration | 
| Refractive Index (20°C) | 1.42 – 1.43 | Refractometer | 
| Density (g/cm³, 20°C) | 1.16 – 1.17 | Density meter | 
| Flash Point (°C) | >150 | Pensky-Martens closed cup | 
Q1: Is Triacetin food-contact approved?
A1: Yes, FDA approved for some applications.
Q2: How does it enhance hydrolysis resistance?
A2: Limits moisture uptake and increases flexibility.
Q3: Compatible polymers?
A3: PVC, cellulose acetate, some polyesters.
Q4: Does it affect clarity?
A4: Minimal effect; it’s clear and colorless.
Q5: Storage tips?
A5: Keep sealed, protect from heat/moisture.