Product Introduction
2-Propanethiol (CAS 75-33-2), commonly known as Isopropyl Mercaptan (IP-SH), is a colorless, highly volatile liquid with an extremely potent and characteristic skunk-like odor. It belongs to the thiol family and is naturally occurring in certain foods like onions and garlic. Industrially, it is primarily used as a powerful warning agent (odorant) for natural gas and LPG due to its low odor threshold. Furthermore, it serves as a critical intermediate in the production of herbicides, insecticides, and specialty sulfur-containing organic compounds.
Product Selling Points
1. Exceptional Odor Potency for Safety
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Advantage: Has an extremely low odor threshold detectable at parts-per-billion levels.
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Benefit: Superior Safety Warning: Acts as an unmistakable leak detection agent in fuel gases, ensuring rapid identification of potential hazards and protecting infrastructure and lives.
2. High Reactivity for Chemical Synthesis
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Advantage: The thiol (-SH) group provides a highly reactive site for alkylation and oxidation reactions.
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Benefit: Versatile Building Block: Enables the efficient synthesis of advanced herbicides (like Triasulfuron) and various rubber chemicals, reducing reaction times and improving yields.
3. High Purity & Low Impurity Profile
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Advantage: Our production process ensures an assay of ≥ 99.0% with minimal heavy metal or moisture content.
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Benefit: Process Stability: Prevents catalyst poisoning and unwanted side reactions in sensitive pharmaceutical and agrochemical manufacturing processes.
Applications
Gas Odorization
Used as a component in odorant blends for natural gas and LPG to provide a distinctive “warning” smell.
Agrochemical Intermediate
A key starting material for the synthesis of various sulfur-containing herbicides and pesticides.
Flavor & Fragrance
In extremely high dilutions, it is used to impart specific “savory” or “roasted” notes in food flavorings.
Polymer Modification
Acts as a chain transfer agent in polymerizations to control molecular weight and improve material properties.
Packaging & Storage
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Packaging: 160kg net weight in UN-certified steel drums; Specialized ISO tanks for bulk shipment.
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Storage: Store in a cool, dry, and extremely well-ventilated explosion-proof warehouse. Crucial: 2-Propanethiol is highly flammable and possesses an intense odor. Containers must be kept hermetically sealed. Store away from oxidizing agents and open flames. Use activated carbon scrubbers or specialized venting to manage odor emissions during handling.
Synonyms
Isopropyl mercaptan; Propan-2-thiol; 2-Mercaptopropane; Isopropanethiol; IP-SH.
Matching Materials
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LPG / Natural Gas —— Primary carrier for odorant application
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Triasulfuron —— Downstream herbicide produced using 2-Propanethiol
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Sodium Hydroxide (NaOH) —— Used for mercaptan removal or salt formation
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Hydrogen Peroxide (H2O2) —— Used for neutralizing thiol odors via oxidation
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Activated Carbon —— Essential for vapor and odor control systems
FAQ
Q: Where can I find the EINECS number for 2-Propanethiol?
A: The EINECS number is 200-861-4, as listed in our physical properties table.
Q: How do you manage the intense odor during shipping?
A: We use UN-certified, heavy-duty steel drums with specialized seals. For international shipping, we ensure secondary containment or specialized wrapping to prevent any odor leakage that could disrupt transport.
Q: Is 2-Propanethiol flammable?
A: Yes, it is highly flammable with a flash point of -34 C. It must be handled with grounded equipment in an explosion-proof environment.
Q: Can it be used in food products?
A: While it is used in flavorings, it must be of Food Grade quality and used at extremely low, regulated concentrations (ppm or ppb levels). Our standard industrial grade is not for direct food consumption.
