TECHNICAL DATA SHEET SINANOX® 168 (Hydrolytically Stable Phosphite Processing Stabilizer (Secondary Antioxidant))
化学名称：Tris(2,4-ditert-butylphenyl) phosphite
CAS 登录号： 31570-04-4 MF: C42H63O3P
MW： 646.94
Molecular structure：
SINANOX® 168 is a white, powdered phenolic primary antioxidant.It exhibits excellent compatibility with polymers, is non-staining, non-discoloring, and has low volatility. It shows good synergistic effects when used with thioester antioxidants (e.g., DLTDP, DSTDP) and UV absorbers. It is low in toxicity and approved for use in food-contact materials.
| 检验项目 (Item) | 指标要求 (Specification) |
| 外观 (Appearance) | 白色结晶粉末 |
| Melting Range | 183.0 - 187.0 °C |
| 溶解性 (Solubility) | Clear |
| Volatiles Content | ≤ 0.3 % |
| Transmittance (425 nm) | ≥ 98 % |
| Transmittance (500 nm) | ≥ 98 % |
| Content | ≥ 99.0 % |
| 2,4-Di-tert-butylphenyl Content | ≤ 0.30 % |
| Hydrolysis Resistance | Qualified / Pass |
SINANOX® 168 is used as a processing stabilizer in combination with primary antioxidants for:
Polymers: Polypropylene (PP), Polyethylene (PE), Polystyrene (PS), Polyamide (Nylon).
Typical Usage Level: 0.05% - 0.5%
20kgs,25kgs/bag or Carton.
存放在干燥、阴凉、通风良好的库房内。
避免受光照和高温加热。
运输过程中做好防漏、防雨与防暴晒保护。
