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Thiadiazole-based Metal Corrosion Inhibitors

Thiadiazole octyl mercaptan condensate CAS:13539-13-4

Thiadiazole octyl mercaptan condensate DMTD-8 is a liquid ash-free metal deactivator, which has extreme pressure and auxiliary antioxidant effects, and is widely used in various automotive and industrial lubricating oils and metal working fluids. At very low concentrations, it can effectively prevent the corrosion of active sulfur on copper and copper alloys, and its unique composition can also inhibit the corrosion of hydrogen sulfide.

Product name: DMTD-8                                              

Similar products: CUVAN 826, ELCO 461

Chemical name: Thiadiazole octyl mercaptan condensate

Appearance:  Yellow transparent liquid

Acid number (mgKOH/g):  15.3

Sulphur content (%): 31.3

Description

What is CSAIL DMTD-8?

CSAIL DMTD‑8 is a liquid ashless metal deactivator with extreme pressure and oxidation resistance effects. It is widely used in various automotive and industrial lubricating oils and metalworking fluids. At very low concentration, it can effectively prevent the corrosion of active sulfur on copper and copper alloys. Its unique composition can also inhibit the corrosion of hydrogen sulfide.

Features of CSAIL DMTD-8

  • Low dosage & excellent oil solubility: Highly effective at very low concentration, with excellent oil solubility.

  • Light color & low odor: Characterized by light color and low odor for convenient handling.

  • Excellent active sulfur corrosion inhibition: Effectively prevents corrosion of active sulfur on copper and copper alloys.

  • Hydrogen sulfide corrosion inhibition: Unique composition also inhibits the corrosion of hydrogen sulfide.

  • Excellent anti‑oxidation synergism: Provides excellent anti‑oxidation synergistic performance.

  • Multi‑functional: Combines extreme pressure and oxidation resistance effects.

Functions of CSAIL DMTD-8

  • Metal deactivation: Prevents the corrosion of active sulfur on copper and copper alloys at very low concentration.

  • Extreme pressure protection: Provides extreme pressure effects for lubricant systems.

  • Oxidation resistance: Delivers oxidation resistance performance for lubricating oils.

  • Hydrogen sulfide corrosion inhibition: Inhibits corrosion caused by hydrogen sulfide.

Applications of CSAIL DMTD-8

Various automotive and industrial lubricating oils and grease

Provides metal deactivation and corrosion protection for automotive and industrial lubricants.

Metalworking fluids

Protects metal workpieces from active sulfur corrosion.

Price of CSAIL DMTD-8

The price of CSAIL DMTD-8 changes based on product grade, order volume and the supplier's pricing policy. To obtain accurate quotation details, kindly reach out to a trusted supplier or manufacturer directly. When assessing total costs, take note of its prominent advantages: CSAIL DMTD-8 effectively prevents active sulfur corrosion at low concentration, improving equipment reliability and reducing maintenance workload under severe working conditions.

If you are sourcing CSAIL DMTD-8 or would like to acquire further technical data, please do not hesitate to contact FansChem.

CSAIL DMTD-8 FAQ

Q1: What is CSAIL DMTD-8 and its main chemical composition?

A: CSAIL DMTD‑8 is a liquid ashless metal deactivator, chemical name: thiadiazole octylmercaptan condensate, CAS No.: 13539‑13‑4.

Q2: What are the key physical‑chemical properties of CSAIL DMTD-8?

A: It is yellow clear liquid. Typical data: density 1.05 g/cm³ (20℃), viscosity 15.0 mm²/s (40℃), open flash point 171.0℃, acid value 8.3 mgKOH/g, sulfur content 31.3%. Refer to the official TDS for complete index information.

Q3: What benefits does CSAIL DMTD-8 bring and what is its recommended dosage?

A: It effectively prevents active sulfur corrosion on copper and copper alloys at low concentration, inhibits hydrogen sulfide corrosion, and provides extreme pressure and oxidation resistance. Recommended treat level: 0.1‑0.5% (lubricating oils); 1.0‑2.5% (greases). Lab compatibility test is strongly required before formal blending.

Q4: What end‑use products is CSAIL DMTD-8 suitable for?

A: Various automotive and industrial lubricating oils and greases, and metalworking fluids.

Q5: What are packaging and storage requirements for CSAIL DMTD-8?

A: Standard packaging is 50kg plastic drum or 200kg steel drum (net weight). Store in a cool, dry and well‑ventilated warehouse.

Q6: What handling safety notes should I follow and where can I get TDS / SDS or quotation?

A: Avoid direct contact with skin, eyes and clothing. Follow standard industrial hygiene practices; always refer to the official SDS/MSDS for full safety guidance. For complete TDS, SDS or commercial quotation, please contact FansChem technical‑sales team directly.

Chemical property of Thiadiazole octyl mercaptan condensate DMTD-8 CAS No 13539-13-4:

Description

Thiadiazole octyl mercaptan condensate DMTD-8 with CAS 13539-13-4, is an effective additive for various applications due to its corrosion inhibition, metal deactivation, and anti-wear properties. The use of DMTD-8 as an additive results in improved performance, stability, and longevity of lubricants, fuels, and metalworking fluids in different industries and applications.

Chemical name

Thiadiazole nonyl mercaptan condensate

Chemical   structure

DMTD-8

CAS No.

13539-13-4

Treat level

Lubricant: 0.1-0.5%     Grease: 1.0-2.5%

Highlights

Low addition, excellent oil solubility.

Light  color, low odor.

Excellent inhibition of active sulfur corrosion and excellent   antioxidant synergism.

 

Technical parameters of Thiadiazole octyl mercaptan condensate DMTD-8 CAS No 13539-13-4:

Item

Specification

Appearance

Yellow clear liquid

Solubility

Soluble in lubricant bases

Density (20℃, g/cm3)

1.02

Viscosity (40℃,mm2/s)

15

Flash point (Open cup, ℃)

171

Acid value (mgKOH/g)

15.3

Sulfur content (%)

31.3

 

Packaging

50 or 200kgs / steel drums (Net weight)

Relative products

CUVAN 826, ELCO 461

Storage information

Not dangerous chemical. 

Store in a cool, dry, well-ventilated warehouse. 

For more information, please refer to the relevant MSDS.


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