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Antioxidant JHSANOX-DSTDP

Name: Antioxidant JHSANOX-DSTDP
SKU: 0

Antioxidant JHSANOX-DSTDP is a thioester-based secondary antioxidant, chemically known as distearyl thiodipropionate. As a synergistic antioxidant used in combination with primary antioxidants, it significantly enhances the thermal stability and antioxidant properties of polymers. By decomposing hydroperoxides generated during processing and use, it effectively prevents thermal oxidative degradation of materials and extends product service life.

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Product Parameters

Product Name (English)	Antioxidant JHSANOX-DSTDP
CAS No.	693-36-7
Physical Properties	- Thioester-based secondary antioxidant - White crystalline flakes or powder - Good thermal stability - Soluble in organic solvents, insoluble in water
Applications	- Synergistic antioxidant for polymers - Heat stabilizer for polyolefins - Processing aid for plastics - Protective agent against thermal degradation
Specifications	Purity: >99% Melting Point: 64-67°C Acid Value: ≤0.5 mg KOH/g Ash Content: ≤0.01%
Packaging	25 KG/bag or 20 KG/carton

Basic Properties

Item	Unit	Specification
Molecular Formula	-	C₄₂H₈₂O₄S
Chemical Structure	-	[Structure Diagram]
Quality Standard	-	-
Appearance	-	White Powder or semi-bead
Volatility	WT%	≤ 0.5
Melting Point	℃	63.5 - 68.5
Color	Pt-Co, No	≤ 50
Acid Value	mgKOH/g	≤ 0.1
Ash	WT%	≤ 0.01
Assay	WT%	≥ 99.0

Physical Properties:

· Appearance: White crystalline flakes or powder

· Melting Point: 64-67°C

· Solubility: Soluble in ethanol, acetone, benzene; insoluble in water

· Stability: Good thermal stability

Chemical Properties:

· Thioester-based secondary antioxidant

· Effectively decomposes hydroperoxides, prevents polymer degradation

· Synergistic effect with phenolic primary antioxidants

· Good processing stability

Main Applications

Polyolefin Stabilizer: Secondary antioxidant for polypropylene and polyethylene stabilization systems
Engineering Plastics: Used with primary antioxidants to enhance thermal stability of engineering plastics
Rubber Products: Thermal stabilizer for synthetic rubber, extending product service life
Food Packaging Materials: Suitable for food-contact grade polymer stabilization
Polymer Materials: Various polymer materials requiring antioxidant protection

Safety Precautions

Handling:
· Wear protective gloves and safety glasses during handling
· Avoid dust formation, prevent dust inhalation
· In case of eye contact, rinse immediately with plenty of water
Storage:
· Store in cool, dry place, avoid moisture
· Keep container tightly closed to prevent moisture absorption
· Keep away from fire and heat sources
Toxicity & Environment:
· Slightly irritating to eyes and skin
· Avoid inhalation of large amounts of dust
· Handle as general chemical, avoid environmental pollution

Company Profile

Junteng Chemical is a professional chemical raw materials trading company dedicated to providing customers with one-stop procurement services. Through strict supplier, supply chain, and after-sales management, the company ensures that product quality, transportation, and use meet customer needs. Furthermore, the company's technical team offers customized solutions and support services free of charge.

The company has projects in the pharmaceutical, pesticide, petrochemical, construction, food additives, wastewater treatment, adhesives, inks, paints, coatings, plastic and rubber processing, detergent raw materials, fertilizer and textile mills, and more. Junteng Chemical sources products of stable and reliable quality, collaborating with domestic and international companies such as Luxi Group, Weiyuan Chemical, Qilu Petrochemical, Dongying Lihuayi, Yanshan Petrochemical, Sinopec, Shijiazhuang Refinery, Qingdao Petrochemical, Sailboat, Dow Chemical, BASF, South Korea, Taiwan, and Saudi Arabia. Our stable supply, superior product quality, and mature logistics have earned us a wide clientele. We look forward to collaborating with all of you for a mutually beneficial future.

Company advantages

One-Stop Procurement
Platform

We integrate resources across all productcategories, including organic solvents,resins and rubbers, and inorganicchemicals,and strictly control suppliers.supply chains, and after-sales processes toensure stable quality, efficienttransportation,and worry-free use,simplifying your procurement process.

Professional Team TechnicalEmpowerment

Equipped with an experienced technicalteam, we provide free personalizedsolutions and professional technicalsupport to customers in varlous industrie,such as pharmaceuticals, petrochemicals,coatings and inks, and sewage treatment,.helping you solve problems and improveefficiency.

Global supply ChainSecurity

We work with top domestic and foreignchemical giants such as Luxi Group, QiluPetrochemical, Sinopec, BASF of Germany,and Dow of the United States to establisha stable and reliable high-quality supplynetwork and a mature logistics system toensure timely and safe delivery of
products.

Deep Win-Win CooperationConcept

Adhering to the concept of "integrity.immediate action, professionalism,innovation and win-win" and taking"customer success and altruism" as ourmission, we are committed to establishinglong-term strategic partnerships andcreating a better future through excellentproducts and services.