Distearyl thiodipropionate
- CAS NO.：693-36-7
- Empirical Formula: C42H82O4S
- Molecular Weight: 683.16
- MDL number: MFCD00026684
- EINECS: 211-750-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-15 13:03:24
What is Distearyl thiodipropionate?
Description
Antioxidant DSTP is usually in the form of white particles or powder, which can impart excellent long-term thermal stability to the material, and is usually used in combination with phenolic antioxidants.
The Uses of Distearyl thiodipropionate
Dioctadecyl 3,3’-Thiodipropionate (CAS# 693-36-7) is an antioxidant additive added to prevent degredation or oxidative decomposition of the organic polymers. Dioctadecyl 3,3’-Thiodipropionate has decreased the aging properties of poly(1-butene) in a hot air aging box.
Flammability and Explosibility
Not classified
Safety Profile
When heated to decomposition emits toxic fumes of SOx,
Properties of Distearyl thiodipropionate
| Melting point: | 65-67°C |
| Boiling point: | 664.53°C (rough estimate) |
| Density | 0.8994 (rough estimate) |
| refractive index | 1.5220 (estimate) |
| Flash point: | 237℃ |
| storage temp. | Refrigerator, under inert atmosphere |
| solubility | Chloroform (Slightly) |
| form | neat |
| color | White to Off-White |
| λmax | 410nm(H2O)(lit.) |
| CAS DataBase Reference | 693-36-7(CAS DataBase Reference) |
| EPA Substance Registry System | Propanoic acid, 3,3'-thiobis-, 1,1'-dioctadecyl ester (693-36-7) |
Safety information for Distearyl thiodipropionate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H413:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. |
Computed Descriptors for Distearyl thiodipropionate
| InChIKey | PWWSSIYVTQUJQQ-UHFFFAOYSA-N |
| SMILES | S(CCC(OCCCCCCCCCCCCCCCCCC)=O)CCC(OCCCCCCCCCCCCCCCCCC)=O |
Distearyl thiodipropionate manufacturer
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