Basic Info:

  • Chemical Synonym(s): 3,3'-Thiodipropionic acid dilauryl ester; dilauryl; Propanoic acid, 3,3‘-thiobis-, didodecyl ester; didodecyl 3,3'-thiodipropionate; tyoxb
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  • CAS Number: 123-28-4
  • Chemical Formula:



Melting point
40-42 °C(lit.)
Boiling point
570.34°C (rough estimate)
Vapor pressure
0.2 mm Hg ( 163 °C)
Storage temp
Appearance & Physical State
White crystalline powder
Flash Point
Refractive Index
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We help you source SUNNOX® DLTDP in China

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We have a 20+ year track record of working with suppliers in China and rating reports on them, and we keep our suppliers updated with the latest news so our customers can get the latest supplier reports. We know the market well and have early warning notifications on upstream raw material prices to help you build a stable supply chain.

When selecting suppliers, our procurement specialists will audit the qualification of suppliers, conduct thorough investigations such as field visits and sample testing, and make ratings to ensure the authenticity and legality of supplier information.

We have a long-term stable cooperation with GLP laboratories, encounter customer test results and supplier test results do not match the situation, we will commission a third party to test to ensure the accuracy, authenticity and reliability of the experimental results. In this way, we can effectively control the product quality problems.

We have a long-term cooperative warehouse and can follow up packaging and labeling according to safety regulations and customer requirements. In order to effectively prevent damage to the goods in transit, we have prepared various reinforcement measures and packaging solutions.

We have a number of international freight companies with whom we have long-standing cooperation, and we can choose several route options according to the customer's requirements. For more difficult or urgent orders, we will prepare several alternative solutions to ensure safe and timely delivery.


We promise to immediately and unconditionally exchange or return the goods if they have quality problems. Our employees who deal with after-sales issues have many years of international work experience and are familiar with various processes in multinational work, so they can communicate and deal with after-sales issues without any obstacles.

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SUNNOX® DLTDP is commonly known as "DL" or "DLT." DLTDP (dihydrolipoic acid), also known as DHLA (Dihydrolipoic acid) and lipoic acid, is a powerful antioxidant that can be used topically or internally.

It helps to protect cells from the effects of free radicals generated by oxidative stress due to pollution, a bad diet or a sedentary lifestyle. It is a by-product of the dehydration of corn syrup.

It has the primary function of acting as an antioxidant in food products. It is a synthetic antioxidant produced from DL-tocopherol and tert-dodecyl thiophene.

It is obtained from L-tryptophan by alkali hydrolysis and distillation. It is a white amorphous powder, which is freely soluble in water.


SUNNOX® DLTDP is a popular antioxidant used as a food additive and medicinally for its anti-inflammatory and anti-bacterial properties. DLTDP is a lipoic acid derivative that is used in the body in two ways. 

First, it is used to recycle other antioxidants within the body, including Vitamin C, Vitamin E, Coenzyme Q10, Alpha Lipoic Acid, and Pycnogenol.  Second, it is used to recycle SOD (Superoxide Dismutase) in the body.DLTDP is a unique antioxidant used in the food and beverage industry and is available in both liquid and powder form.

It is used in dietary supplements and is available in different flavors, and it is also used in different flavors and colors. These can be used in baby food, soft drinks, bakery products and any products which require preservation and nutritional enrichment.

It is also used in the pharmaceutical and cosmetic industry and is available in powder and tablet form for oral consumption.

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