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Allyl Propyl Sulfide (CAS 27817-67-0): Decoding the Chemistry Behind the Perfect Garlic Flavor
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Chemical name: Allyl Propyl Sulfide (CAS 27817-67-0)
Allyl n-propyl sulfide
Propyl allyl sulfide
3-(Propylthio)propene
The specification of Allyl Propyl Sulfide (CAS: 27817-67-0)
Appearance |
Colorless to light yellow liquid |
Qualified |
Assay % |
≥98.0% |
98.5% |
Moisture (%) |
0.20 max |
Qualified |
Density (g/ml) |
0.8642 |
Qualified |
Source |
Non-food biomass corncob |
The Usage of Allyl Propyl Sulfide (CAS: 27817-67-0)
Allyl Propyl Sulfide, identified by the CAS number 27817-67-0, is a prominent organosulfur compound that plays a pivotal role in the characteristic aroma and flavor profile of the Allium family, which includes garlic, onions, and leeks . This organic compound, with the molecular formula C6H12S and a molecular weight of 116.23 g/mol, is a volatile liquid known for its intense sulfurous, alliaceous odor reminiscent of fresh garlic and green onions . Its unique olfactory properties make it a substance of significant interest in both the food industry and scientific research.
Chemically, Allyl Propyl Sulfide is a sulfide featuring an allyl group and a propyl group attached to a central sulfur atom. It is also known by several synonyms, including 3-(Propylthio)propene, Propyl allyl sulfide, and Allyl n-propyl sulfide . In its pure form, it typically appears as a colorless to pale yellow liquid . As a key constituent of essential oils derived from onions, it contributes to the complex sensory experience associated with these vegetables, offering notes that are both pungent and savory .
In the realm of flavor science, Allyl Propyl Sulfide is highly valued as a flavoring agent. It is utilized to impart authentic garlic and onion notes to a wide variety of food products, including sauces, soups, and savory snacks. Its presence helps create a rounded and natural taste profile that is difficult to achieve with other ingredients. The compound occurs naturally in heated leek and onion bulbs, confirming its status as a genuine biomarker for the consumption of these foods.
Beyond its direct application in flavors, Allyl Propyl Sulfide (CAS 27817-67-0) serves as an important reference compound in analytical chemistry. It is frequently used as a standard in gas chromatography-mass spectrometry (GC-MS) analysis to identify and quantify volatile sulfur compounds in plant extracts and biological samples. Researchers studying the phytochemical composition of Allium species often rely on Allyl Propyl Sulfide as a key marker for quality control and authenticity testing . The compound's well-documented properties and high purity grades, such as ≥97.0%, make it suitable for such rigorous analytical applications .
The safety and handling of Allyl Propyl Sulfide are governed by its classification. According to the Globally Harmonized System (GHS), it is considered a flammable liquid and can cause skin and eye irritation . Consequently, proper safety data sheets (SDS) should always be consulted, and appropriate personal protective equipment should be worn during handling. For transportation, it is typically classified under UN 1993 as a flammable liquid, packing group III . While widely used in flavors, it is crucial to source this compound from reputable suppliers who can provide certificates of analysis (COA) to ensure purity and compliance with food-grade standards .
In conclusion, Allyl Propyl Sulfide (CAS 27817-67-0) is much more than just a component of garlic's smell. It is a vital tool for flavorists aiming to recreate natural tastes, a key analyte for chemists studying plant metabolism, and a fascinating example of how a single molecule can define the sensory signature of a whole class of vegetables. Its continued study and application ensure that the distinct flavors of the Allium family remain a staple in our culinary experiences.
Advantage of Allyl Propyl Sulfide (CAS: 27817-67-0)
1.High purity 99.0%min
2.Use a wide range
3.We have ISO 9001 ,ISO 14001 and ISO22000 certificate , We also have HACCP certificate ,have Halal and kosher certificate of this product.
5. We have a big capacity ,so, commonly have fast lead time.
6. We can offer 10g-50g free sample for your lab test .we commonly delivery the sample by international courier like DHL or Fedex. It is fast and convenient.
The packing of Allyl Propyl Sulfide (CAS: 27817-67-0)
1.The sample packing is 20g/30g/50g per bottle.
2. Sealed in 200kg drums, available in ISO tanks for bulk supply,Custom packaging options negotiable upon request.
3.20-23 tons per ISO TANK
Packaging can also be customized according to customer needs
Storage conditions for Allyl Propyl Sulfide (CAS: 27817-67-0)
Allyl Propyl Sulfide should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from any sources of ignition . To maintain its stability and prevent degradation, it is recommended to keep the container protected from heat and direct sunlight. For long-term storage, keeping the product in an inert atmosphere is advisable. Due to its flammable nature, storage areas should be equipped with proper grounding and bonding techniques to avoid static discharge