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DSTDP - Distearyl Thiodipropionate

DSTDP - Distearyl Thiodipropionate

CAS Number: 693-36-7

Molecular Formula: C42H82O4S

About DSTDP - Distearyl Thiodipropionate

Distearyl Thiodipropionate (CAS No: 693-36-7) is a critical secondary antioxidant used extensively as a heat stabilizer in the polymer industry, where its high purity fine chemicals profile ensures long-term thermal stability for polyolefins. Dioctadecyl 3,3-thiodipropionate plays a pivotal role in the global sourcing ...

DSTDP - Distearyl Thiodipropionate Specifications

CAS Number
693-36-7
Molecular Formula
C42H82O4S
Molecular Weight
683.18 g/mol
IUPAC Name
dioctadecyl 3,3'-thiodipropanoate
Canonical SMILES
CCCCCCCCCCCCCCCCCC(=O)OCCSCCOC(=O)CCCCCCCCCCCCCCCCC
InChI Key
PWWSSIYVTQUJQQ-UHFFFAOYSA-N
InChI
InChI=1S/C42H82O4S/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-37-45-41(43)35-39-47-40-36-42(44)46-38-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-40H2,1-2H3
EINECS Number
211-750-5
HSN No
29309090
Molecular Weight
683.18 g/mol
Melting Point
63.5-68.5 °C
Boiling Point
704.8ºC at 760 mmHg
Freezing point
65 °C
Precautionary Statement Codes
P261, P264+P265, P272, P280, P302+P352, P305+P351+P338, P321, P333+P317, P337+P317, P362+P364, and P501
Hazard Classes and Categories
Skin Sens. 1 (96.4%) Eye Irrit. 2A (100%)

Plastics Industry

An auxiliary stabilizer and secondary antioxidant widely used in polypropylene, polyethylene, polyvinyl chloride, and ABS to prevent thermal and oxidative degradation

Cosmetic Industry

An antioxidant, skin conditioning agent, and viscosity controlling agent applied in skincare and makeup products

Rubber Industry

An advanced antioxidant additive used in synthetic and natural rubber formulations to maintain elasticity, strength, and heat resistance

Lubricants and Adhesives

A critical stabilizing agent utilized to enhance thermal stability and prevent premature aging under extreme temperatures and mechanical stress

DSTDP - Distearyl Thiodipropionate FAQs

Minimum Order Quantity

25 kg (pilot) · 1 MT (commercial)

Lead Time

3 – 5 weeks ex-works

Incoterms

FOB · CIF

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

Regional Availability

India · EU · Middle East · Southeast Asia

Documentation

SDS · COA · TDS available on request

Compliance & Quality

REACH registered*

GHS/SDS available

ISO 9001:2015 site*

RoHS compliant*

Global sourcing network

Consistent quality & reliability

End-to-end technical support

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