O,O'-Dioctadecylpentaerythritol bis(phosphite)
Synonym(s):Cyclic neopentanetetraylbis(octadecyl phosphite);Dioctadecyl pentaerythritol diphosphite;Distearyl pentaerythritol diphosphite;Phosphorous acid, dicyclic ester with pentaerythritol, dioctadecyl ester
- CAS NO.：3806-34-6
- Empirical Formula: C41H82O6P2
- Molecular Weight: 733.03
- MDL number: MFCD00071522
- EINECS: 223-276-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:16:08
What is O,O'-Dioctadecylpentaerythritol bis(phosphite)?
The Uses of O,O'-Dioctadecylpentaerythritol bis(phosphite)
Color stabilizer for polymers
General Description
3,9-Bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane is a diphosphaspiro compound which contains two phosphorus atoms and can be used as an antioxidant and as a reducing agent.
Flammability and Explosibility
Non flammable
Properties of O,O'-Dioctadecylpentaerythritol bis(phosphite)
| Melting point: | 44-47 °C(lit.) |
| Boiling point: | 692.2±55.0 °C(Predicted) |
| Density | 1.05[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| Flash point: | >230 °F |
| storage temp. | 2-8°C |
| form | neat |
| Water Solubility | 330ng/L at 25℃ |
| EPA Substance Registry System | 2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis(octadecyloxy)- (3806-34-6) |
Safety information for O,O'-Dioctadecylpentaerythritol bis(phosphite)
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for O,O'-Dioctadecylpentaerythritol bis(phosphite)
| InChIKey | PZRWFKGUFWPFID-UHFFFAOYSA-N |
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