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Distearyl thiodipropionate

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Distearyl thiodipropionate Basic information

Product Name:
Distearyl thiodipropionate
Synonyms:
  • 3,3-Thiodipropionic Acid Di-N-Octadecy
  • 3-[(3-keto-3-stearyloxy-propyl)thio]propionic acid stearyl ester
  • octadecyl 3-(3-octadecoxy-3-oxopropyl)sulfanylpropanoate
  • octadecyl 3-(3-octadecoxy-3-oxo-propyl)sulfanylpropanoate
  • Distearyl thiodiprop
  • 3,3'-Thiobis(propionic acid octadecyl)
  • 3,3'-Thiobis(propionic acid octadecyl) ester
  • Di-n-octadecyl 3,3'-Thiodipropionate
CAS:
693-36-7
MF:
C42H82O4S
MW:
683.16
EINECS:
211-750-5
Product Categories:
  • REALET
Mol File:
693-36-7.mol
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Distearyl thiodipropionate Chemical Properties

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)
color 
White to Off-White
λmax
410nm(H2O)(lit.)
InChIKey
PWWSSIYVTQUJQQ-UHFFFAOYSA-N
LogP
17.7 at 25℃
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)
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Safety Information

Risk Statements 
36/37/38
Safety Statements 
26-36/37/39
RTECS 
UF8010000
HS Code 
29309090
Hazardous Substances Data
693-36-7(Hazardous Substances Data)

MSDS

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Distearyl thiodipropionate Usage And Synthesis

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.

Uses

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,

Distearyl thiodipropionate Preparation Products And Raw materials

Raw materials

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