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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 increasingly utilized by North American polymer manufacturers as a high purity fine chemicals heat stabilizer, where its exceptional profile ensures long-term thermal stability for polyolefins. Dioctadecyl 3,3-thiodipropionate plays a pivotal role in the domestic sourcin...

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 (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

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

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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