1-Dodecanethiol CAS 112-55-0
Factory wholesale 1-Dodecanethiol CAS 112-55-0
- Appearance:Liquid
- Purity:99.8%
- Delivery:30days
- Sample Available:Available
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Name: 1-Dodecanethiol
CAS:112-55-0
MOQ: 1KG
Directory Guidance on 1-Dodecanethiol
Chemical Structure
Basic Info:
| Melting point | -7 °C |
| Boiling point | 266-283 °C(lit.) |
| density | 0.845 g/mL at 25 °C(lit.) |
| vapor density | 7 (vs air) |
| vapor pressure | 0.002 hPa (20 °C) |
| refractive index | n20/D 1.459(lit.) |
| FEMA | 4581 | DODECANETHIOL |
Product Introduction:
1-Dodecanethiol, also known as dodecanethiol, lauryl mercaptan, 1-dodecane mercaptan, etc., is an important organic sulfur compound. It is a colorless transparent liquid at room temperature and pressure, with a pungent smell of sulfur. Its molecular formula is C₁₂H₂₆S, molecular weight is 202.4, melting point is -7℃, boiling point is 266-283℃ at normal pressure, relative density is 0.845 (20/20℃), refractive index is 1.4589, and flash point is 87℃. It is insoluble in water, but soluble in methanol, ether, acetone, benzene, ethyl acetate and other organic solvents.
There are two main methods for the synthesis of 1-Dodecanethiol. One is to heat dodecane bromide, thiourea and 95% ethanol to reflux reaction, then add sodium hydroxide solution to continue heating, cool and stand for stratification after the reaction is completed, the oil layer is the crude mercaptan, and then the pure product is obtained through water washing, drying, distillation and vacuum distillation. Another method is to make it by reacting dodecanol vapor and hydrogen sulfide in the presence of a catalyst. In addition, it can also be obtained by reacting dodecyl bromide with sodium sulfide.
1-Dodecanethiol has a wide range of uses. In the chemical industry, it is an important polymerization regulator for synthetic rubber, synthetic fiber and synthetic resin, which can effectively control the molecular weight and distribution of polymers, thereby improving the properties of polymers. In addition, it is also used to produce polyvinyl chloride stabilizers to prevent polyvinyl chloride from decomposing due to temperature changes during storage and use. In the field of medicine and pesticides, 1-Dodecanethiol can be used to make drugs, insecticides and fungicides. It can also be used as a flotation collector for mineral flotation to improve the recovery rate of minerals.
1-Dodecanethiol has a certain toxicity, and its vapor or mist is irritating to the nose and throat. Inhalation of high concentrations can cause headaches, nausea, vomiting, and even coma. Liquid or mist is also irritating to the eyes, and oral administration of large amounts can cause symptoms such as headaches, nausea, vomiting, and loss of consciousness. Therefore, when using and storing it, pay attention to safety protection to avoid inhaling its vapor or contact with skin and eyes. When storing, it should be placed in a cool, ventilated warehouse, away from fire and heat sources, and kept separately from oxidants, reducing agents, alkalis, alkali metals, and edible chemicals.
Nature and Specifications:
| Item | Specification |
| Product Name | 1-Dodecanethiol |
| CAS No. | 112-55-0 |
| Appearance | Liquid |
| Shelf Life | 2 years |
| Packing | As your requirements |
| Fp | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | Chloroform (Sparingly), Methanol (Slightly) |
| pka | 10.49±0.10(Predicted) |
| form | Liquid |
| color | Clear |
Product service:
- Certificate Of Analysis (COA)
- Material Safety Data Sheet (MSDS)
- Route of synthesis (ROS)
- Method of Aanlysis (MOA)
- Nuclear Magnetic Resonance (NMR)
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1-Dodecanethiol (commonly referred to as dodecanethiol or lauryl mercaptan) is an important organosulfur compound with numerous industrial and scientific applications, from chemical synthesis and pharmaceutical R&D through mineral processing to mineral separation processes – its diverse applications make it an indispensable raw material.
1-Dodecanethiol is widely utilized as a polymerization regulator in the chemical industry. It can effectively manage molecular weight and distribution of polymers, leading to improved properties of them. For instance, its use can significantly influence dispersion polymerization of styrene dispersion processes as it acts as chain transfer agent, significantly altering particle sizes and molecular weight distributions of particles. Furthermore, 1-Dodecanethiol stabilizers help protect polyvinyl chloride against decomposing due to temperature variations during storage or usage, thus prolonging their service lives over time.
1-Dodecanethiol has long been utilized as an essential pharmaceutical compound, serving as a reducing agent, cross-linking agent, catalyst and stabilizer – among many other uses – during drug synthesis processes. For instance, it can act as a reducing agent to assist in synthesizing target compounds, or react with other compounds containing thiol (–SH) groups to form sulfur bonds, improving solubility. Furthermore, 1-Dodecanethiol also exhibits biological activities against bacteria, inflammation and tumor growth which makes it valuable in pharmaceutical development processes.
1-Dodecanethiol is used extensively in pesticide production to produce insecticides and fungicides. With excellent chemical stability and biological activity, 1-Dodecanethiol effectively controls pests and pathogens while protecting crops. One key advantage of its application as an insecticide ingredient lies in its synergy with other components to increase effectiveness while simultaneously decreasing environmental impact.
1-Dodecanethiol is an extremely efficient flotation collector and widely utilized in mineral flotation processes. The substance adheres to minerals’ surfaces to form thin films that increase hydrophobicity and make separation from ore pulp easier, such as fine pyrite flotation under natural pH conditions; when used alone or mixed with collectors such as potassium isopentyl xanthate it has significantly improved recovery rate while showing excellent collection performance. Likewise it can also be used on sulfide ores such as molybdenite with excellent collection performance as well.
1) Dodecanethiol can also be utilized for its other main applications. As a surfactant, its hydrophilicity and hydrophobicity combine well to adjust surface tension of substances. As an additive to lubricating oils, metalworking fluids, rust inhibitors, friction reduction compounds and antioxidant properties give this surfactant great versatility for use. Moreover, water treatment and pulp bleaching represent further applications.
One thing to be wary of with 1-Dodecanethiol, however, is its potential toxicity; inhaling high concentrations can cause headaches, nausea, vomiting and even coma in extreme cases. Therefore, when using and storing it it should be done with safety in mind to avoid inhalation or contact with skin and eyes; when storing it should be kept cool and ventilated warehouse away from fire and heat sources while being stored separately from oxidants/reducing agents/alkalis/alkali metals/ edible chemicals for optimal safety purposes.
1-Dodecanethiol (C12H25) is an organosulfur compound with unique chemical structures and properties, offering many advantages across multiple fields due to its amphiphilic nature. Composed of molecules with both polar thiol groups (–SH) and non-polar long carbon chains (C12H25), this amphiphilic quality allows it to interact effectively with both polar and non-polar substances at interfacial interfaces to reduce interfacial tension between water and oil while increasing wettability – thus becoming popular as an industrial surfactant/emulsifier/emulsifier formulation.
1-Dodecanethiol plays an essential regulating role in polymerization reactions as it acts as a chain transfer agent to regulate molecular weight and distribution of polymers. 1-Dodecanethiol can have a tremendously positive impact on dispersion polymerization of styrene by significantly altering particle sizes and molecular weight distribution; ultimately leading to optimal properties of polymers produced from this reaction. Urea’s regulation properties make it an indispensable ingredient in the manufacturing of synthetic rubber, fiber and resin products. Furthermore, it forms self-assembled monolayers (SAMs) to protect metal surfaces against oxidation and corrosion. Studies have demonstrated that monolayers created on cobalt surfaces by nanoparticles can effectively prevent its oxidation, remaining stable even after 28 days of air exposure. This makes them invaluable tools in materials science applications where durability or stability must be improved.
1-Dodecanethiol offers unique advantages to nanotechnology, especially the creation and stabilization of nanoparticles. Its use as a ligand in gold nanoparticle production can help prevent their aggregation through monolayer formation – two features essential in nanotechnology applications. 1-Dodecanethiol’s special properties allow it to play an essential part in the preparation and use of nanomaterials, including those for biomedical imaging and drug delivery applications. Hydrophobizing agents also offer excellent flotation collector performance, often employed during mineral flotation processes. Their effectiveness lies in binding to minerals’ surfaces to form hydrophobic layers which improve flotation efficiency. 1-Dodecanethiol has proven itself an invaluable aid for improving recovery of pyrite under natural pH conditions when used alone or combined with other collectors, providing improved recovery rates with increased selectivity and environmental friendliness. A key player in mineral processing applications, 1-Dodecanethiol offers unrivaled value to mineral processors.
1.Dodecanethiol can serve many functions in organic synthesis, from acting as a reducing agent and stabilizer to acting as ligands and building blocks of surfactants and organic precursor. In particular, 1-Dodecanethiol’s versatility makes it widely applicable; when making complex sulfides it reacts with other compounds to form more complex ones – making 1-Dodecanethiol an invaluable asset; its production methods have also been optimized, with some green methods that not only increase efficiency but also lower environmental impacts making this compound increasingly attractive in modern industrial production where sustainable development becomes paramount considerations.
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Related References:
chemicalbook-1-Dodecanethiol
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