PRODUCTS

TERTIARY DODECYL MERCAPTAN (TDM)

Tertiary Dodecyl Mercaptan (TDM) is commonly used in the manufacturing process of polymers based on butadiene and styrene (SB latex, SB rubber, ABS…)
Tertiary Dodecyl Mercaptan (TDM) is used in the manufacture of fungicides, insecticides, rust inhibitors, lubricating oil additives, drugs, etc.
Tertiary Dodecyl Mercaptan (TDM) can also be used as “gold water” in the ceramic industry and an acidifier for oil wells.

CAS Number: 25103-58-6
EC Number: 246-619-1
Structural Formula: C12H25SH / C12H26S

SYNONYMS:
tert-Dodecyl mercaptan, T-Dodecyl Mercaptan, tert-Dodecanethiol, Decanethiol, 9,9-dimethyl-, Tertiary Dodecyl Mercaptan, t-Dodecyl Mercaptan, TDM, 2-Dodecanethiol, tert-Dodecanethiol, t-Dodecanethiol, Dodecyl Mercaptan, Tertiary Lauryl Mercaptan, 2,3,3,4,4,5-Hexamethyl-2-hexanethiol, Sulfole 120, t-DDM, terc.Dodecylmerkaptan [Czech], tert-Dodecylthiol, t-Dodecanethiol, tert-Dodecanethiol, tert-Dodecyl mercaptan, [ChemIDplus] t-Dodecylmercaptan, tert-Dodecyl thiol, tert-Lauryl mercaptan, [CAMEO] Tert-dodecanethiol, TERTIARY DODECYLMERCAPTAN, TDM, [IUCLID] UN3082, TDM, Tert-Dodecanethiol, TDM, TDDM, tert-Dodecanethiol, tert-dodecylmercaptan, Tert-dodecyl mercaptan, dodecanethiol, mixed isomers, 2,3,3,4,4,5-hexamethylhexane-2-thiol, tert-Dodecanethiol (mixture of isomers)

Tertiary Dodecyl Mercaptan (TDM), also known as tert-dodecylthiol, is a highly versatile industrial chemical that is widely used in a variety of applications, including as a surfactant, a lubricant, a plasticizer, and a corrosion inhibitor.
Tertiary Dodecyl Mercaptan (TDM) is a clear white to light yellow liquid with a repulsive odor.

Tertiary Dodecyl Mercaptan (TDM) is a clear light brown liquid with a stench.
Tertiary Dodecyl Mercaptan (TDM) is a combination of isometric thiols obtained from oligomers of isobutylene trimer or propylene tetramer.
Manufacturers pick one of these two and mix it with hydrogen sulfide, then pass the mixture over a catalyst like boron trifluoride to produce Tertiary Dodecyl Mercaptan (TDM).

Tertiary Dodecyl Mercaptan (TDM) is a thiol compound with the chemical formula C12H26S, and the CAS number 25103-58-6.
Tertiary Dodecyl Mercaptan (TDM) is also known by a number of other names, including tert-dodecyl mercaptan, 2,3,3,4,4,5-hexamethyl-2-hexanethiol, tert-lauryl mercaptan, T-dodecanethiol, and TDM.

Despite its many names, however, Tertiary Dodecyl Mercaptan (TDM) is a highly consistent and reliable chemical that is widely used in a variety of industrial applications.
The manufacturing process for Tertiary Dodecyl Mercaptan (TDM) involves a number of steps, including the synthesis of dodecyl alcohol, which is then reacted with hydrogen sulfide (H2S) to produce TDM.

This process requires precise control over temperature and pressure, as well as careful monitoring of the reaction to ensure that the desired product is produced.
Additionally, the final product must be carefully purified to remove any impurities that may have been produced during the reaction.

The global Tertiary Dodecyl Mercaptan (TDM) market size is estimated to be worth USD 357.1 million in 2022 and is forecast to a readjusted size of USD 532.9 million by 2028 with a CAGR of 6.9% during the review period.

The top players are concentrating mostly on technical developments in order to increase efficiency.
The long-term growth patterns for this market can be taken by continuing the current development progresses and financial strength to participate in the best strategies.

USES and APPLICATIONS of TERTIARY DODECYL MERCAPTAN (TDM):
Tertiary Dodecyl Mercaptan (TDM) is used the best relative molecular weight regulator and chain transfer agent in the polymerization process of Styrene Butadiene Rubber, Nitrile Rubber, synthetic resin and so on.
Tertiary Dodecyl Mercaptan (TDM) is mainly used as molecular weight modifier.

Tertiary Dodecyl Mercaptan (TDM) is a polymerization regulator of synthetic rubber, synthetic resin and synthetic fiber, especially commonly used in the manufacture of styrene-butadiene rubber and ABS resin, which can reduce the branching degree of the polymer chain and make the molecular weight distribution uniform, often used as a nonionic surfactant and an intermediate in organic synthesis.

Tertiary Dodecyl Mercaptan (TDM) is an intermediate in organic synthesis, used to manufacture drugs, pesticides, fungicides, rust inhibitors, lubricant additives, etc., and can also be used as “gold water” in the ceramic industry.

Tertiary Dodecyl Mercaptan (TDM) is a relative molecular mass adjuster for the polymerization of synthetic rubber, synthetic resin, and synthetic fiber, especially in the synthesis of styrene-butadiene rubber and ABS resin by emulsion polymerization, which can reduce the branching degree of polymer molecular chains and make the relative molecular mass distribution uniform.

Tertiary Dodecyl Mercaptan (TDM) is the best relative molecular mass regulator and chain transfer agent in polymerization processes such as styrene-butadiene rubber, nitrile rubber, and synthetic resin.
Tertiary Dodecyl Mercaptan (TDM) is used Chain Transfer Agents, Chemical Synthesis, Plastic, Resin & Rubber, Polymers

Tertiary Dodecyl Mercaptan (TDM) is a polymerization regulator for synthetic rubber, synthetic resin, and synthetic fiber.
Tertiary Dodecyl Mercaptan (TDM) is especially commonly used in the manufacture of styrene-butadiene rubber and ABS resin.
Tertiary Dodecyl Mercaptan (TDM) can reduce the branching degree of polymer chains and make the molecular weight distribution uniform.

Tertiary Dodecyl Mercaptan (TDM) is often used as an intermediate for non-ionic surfactants and organic synthesis.
Tertiary Dodecyl Mercaptan (TDM) is used to make fungicides, pesticides, rust inhibitors, lubricating oil additives, drugs, etc.
Tertiary Dodecyl Mercaptan (TDM) can also be used as "golden water" and oil well acidifier in the ceramic industry.

Tertiary Dodecyl Mercaptan (TDM) is the best relative molecular mass regulator and chain transfer agent in the polymerization process of styrene-butadiene rubber, nitrile rubber, synthetic resin, etc.
Tertiary Dodecyl Mercaptan (TDM) is used in the polymers industry and as a process regulator.

Tertiary Dodecyl Mercaptan (TDM) is used to make large scale and fine chemicals, rubber products, processing aids (i.e. pH regulators, flocculants, and precipitants), polymers, lubricants, and in mining
Tertiary Dodecyl Mercaptan (TDM) is widely utilized in the production of polymers derived from butadiene and styrene, including SB latex, SB rubber, and ABS.

Its unique properties enhance the performance and quality of these materials, making Tertiary Dodecyl Mercaptan (TDM) an essential ingredient in various applications.
Applications of Tertiary Dodecyl Mercaptan (TDM): Additives, Lubricants, and Polymers.

Chain Transfer Agent uses of Tertiary Dodecyl Mercaptan (TDM): Essential in the production of synthetic polymers like rubber, resins, and plastics to control molecular weight.
Chemical Intermediate: Tertiary Dodecyl Mercaptan (TDM) is used in the synthesis of organic and specialty chemicals.
Adhesives and Coatings: Tertiary Dodecyl Mercaptan (TDM) improves flexibility and processability of polymer-based adhesives and coatings.

PROPERTIES OF TERTIARY DODECYL MERCAPTAN (TDM):
*Tertiary Dodecyl Mercaptan (TDM) exhibits reactivity due to the thiol (-SH) functional group.
*Tertiary Dodecyl Mercaptan (TDM) acts as a molecular weight regulator in radical polymerization.
*Tertiary Dodecyl Mercaptan (TDM) enhances the flexibility, elasticity, and durability of polymer products.

BENEFITS OF TERTIARY DODECYL MERCAPTAN (TDM):
*Tertiary Dodecyl Mercaptan (TDM) provides precise control over polymer properties such as viscosity and tensile strength.
*Tertiary Dodecyl Mercaptan (TDM) enhances the performance of end products like tires, adhesives, and coatings.
*Tertiary Dodecyl Mercaptan (TDM) facilitates industrial processes with consistent and predictable results.

PRODUCTION METHOD OF TERTIARY DODECYL MERCAPTAN (TDM):
the dienes [112-41-4] obtained by propylene tetropolymerization react with hydrogen sulfide at about 20 ℃ for 2 hours in the presence of aluminum trichloride catalyst. the dosage of hydrogen sulfide is 1.5 times that of dienes according to molar ratio, and the dosage of aluminum trichloride is 2.5% to that of dienes.

The reaction product is separated, pickled, washed with hot water, and dried to obtain tert.
Hydrogen sulfide in production can occur by the interaction of saturated sodium sulfide solution with 20% sulfuric acid.
Raw material consumption quota: crude decene (boiling range 180-208 ℃)1100kg/t, aluminum trichloride 123kg/t, sodium sulfide (60%)1220kg/t, sulfuric acid (92.5%)1270kg/t.

PHYSICAL AND CHEMICAL PROPERTIES OF TERTIARY DODECYL MERCAPTAN (TDM):
Tertiary Dodecyl Mercaptan (TDM) is colorless to pale yellow viscous liquid.
Freezing point pf Tertiary Dodecyl Mercaptan (TDM) is -7 ℃, boiling point 227-248 ℃,165-166 ℃(5.19kPa), relative density 0.8450(20/20 ℃), refractive index 1.4589, flash point 90 ℃.

Tertiary Dodecyl Mercaptan (TDM) is soluble in methanol, ether, acetone, benzene, gasoline and acetate, insoluble in water.
Tertiary Dodecyl Mercaptan (TDM) is colorless oil liquid, and diffuses foul smell.
Tertiary Dodecyl Mercaptan (TDM) is insoluble in water, soluble in alcohol, ether, acetone, benzene, gasoline and other organic solvents and esters.

STORAGE OF TERTIARY DODECYL MERCAPTAN (TDM):
Tertiary Dodecyl Mercaptan (TDM) has strong reducibility, wear labor protection when using, and operates in a fume hood.
During storage, leakage must be strictly prohibited, stored in a cool, dry, well-ventilated non-combustible material structure warehouse, and a small number of products can be stored at low temperatures.

Keep away from heat and open flames, especially direct sunlight.
Isolated storage and transportation with oxidants, combustibles and strong acids.

PREPARATION OF TERTIARY DODECYL MERCAPTAN (TDM):
12 grams of water and 40 grams of dodecene were introduced into the plant through a funnel.
After the factory is sealed, the reaction mixing pump is put into operation (speed: 2800min-1), and then the entire pumping cycle system (including the pump head) manufactured in the jacket design is restored to the initial temperature.

The reaction is started by gradually injecting the first 10 bar of carbon dioxide, and then gradually injecting 20 bar of hydrogen sulfide gas to a total pressure of about 30°C. 31 bar.

During the experiment, the H2S feed of the reactor system was kept open so that the amount of reacted hydrogen sulfide could be replenished into the reaction system.

During the next 2 hours, the mixture was uniformly heated to 60°C.
After another 3 hours, all dissolved gas components are removed from the biphasic liquid sample by decompressing at the discharge valve and further heating to 100°C.

The composition of the organic liquid phase (upper phase) is analyzed by gas chromatography, and it is possible to distinguish the reactants (olefins), the main products (Tertiary Dodecyl Mercaptan (TDM)), and the minor components (thioethers).

PHYSICAL and CHEMICAL PROPERTIES of TERTIARY DODECYL MERCAPTAN (TDM):
Colorless oily liquid, foul odor,
freezing point -7 °C,
boiling point 200-235 °C (atmospheric pressure), 165-166 °C (5199, 5Pa),
explosion range 0.7-9.1% (V/V),
flash point 129 °C,
viscosity 5.3 centipoise,
specific gravity d20/40.854,
insoluble in water, soluble in ethanol, ether, acetone, benzene,
gasoline and esters and other organic solvents.
appearance: colorless or light yellow liquid,
purity, %: ≥ 98.0,
refractive index, n20/D: 1.45261.4600,

density at 25 °C, g/ml: 0.8450.860,
boiling point, °C: 230-238,
Flashpoint, °F: >230,
Solubility,
CAS: 25103-58-6,
EINECS: 246-619-1,
InChI: InChI=1/C12H26S/c1-9(2)10(3,4)11(5,6)12(7,8)13/h9,13H,1-8H3,
Molecular Formula: C12H26S,
Molar Mass: 202.4,
Density: 0.839g/cm3,
Melting Point: -7.5℃,

Boiling Point: 212°C at 760 mmHg,
Flash Point: 68.8°C,
Water Solubility: <0.1 g/100 mL at 23℃,
Solubility: <0.1g/l,
Vapor Pressure: 0.257mmHg at 25°C,
Storage Condition: Store below +30°C,
Refractive Index: 1.454,
EC Number: 211-051-3,
CAS Number: 25103-58-6,

Molecular Formula: C12H26S,
Molecular Weight: 202.41 g/mol,
Appearance: Clear to pale yellow liquid,
Density: ~0.84 g/cm³ at 20°C,
Boiling Point: 249°C (480°F),
Melting Point: <-30°C (-22°F),
Flash Point: ~105°C (221°F),
Solubility: Insoluble in water; soluble in organic solvents such as ethanol and acetone,
Odor: Distinctive sulfur-like odor.

FIRST AID MEASURES of TERTIARY DODECYL MERCAPTAN (TDM):
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of TERTIARY DODECYL MERCAPTAN (TDM):
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of TERTIARY DODECYL MERCAPTAN (TDM):
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of TERTIARY DODECYL MERCAPTAN (TDM):
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of TERTIARY DODECYL MERCAPTAN (TDM):
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of TERTIARY DODECYL MERCAPTAN (TDM):
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature) .
-Possibility of hazardous reactions:
No data available