Allyl Propyl Disulfide
- CAS NO.:2179-59-1
- Empirical Formula: C6H12S2
- Molecular Weight: 148.29
- MDL number: MFCD00040072
- EINECS: 218-550-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:52
What is Allyl Propyl Disulfide?
Chemical properties
Allyl propyl disulfi de is a pale yellow liquid with a pungent odor and is insoluble in water. It decomposes on burning, producing sulfur oxides, and it also gives off irritating or toxic fumes (or gases) in a fi re. It reacts with oxidants. Allyl propyl sulfi de is used as a synthetic fl avor and food additive. Allyl propyl disulfi de is the chief volatile component of onion oil as well as being a volatile component of chives and garlic.
Chemical properties
Onion oil is obtained by steam distillation of the crushed bulbs of the
common onion, Allium cepa L. It is produced mainly in Mexico, China,and Egypt, and, in smaller quantities, also in Europe (France, Hungary)
and is an amber-yellow to amber liquid with a strongly pungent, lasting,
characteristic onion odor.
d2525 1.050–1.135; n20D 1.5495–1.5695
Chemical properties
Colorless to yellowish liquid; fruity, garlic aroma.
Occurrence
Reported as the chief volatile constituent in onion oil and found in raw cabbage, chive, garlic oil, leek and onion.
The Uses of Allyl Propyl Disulfide
This chemical,Allyl Propyl Disulfide which occurs in natural food products, could find use in flavor reconstitution of soups, meat preserves, etc. in spice blends, sausages, etc. It is conceivable that it would be permissible in flavor compositions for food products, since it occurs in Garlic, Onion and Asafoetida oils.
Definition
ChEBI: 2-Propenyl propyl disulfide is an organosulfur compound.
Aroma threshold values
High strength odor, sulfurous type; recommend smelling in a 0.10% solution or less.
Taste threshold values
Taste like that of cooked onions.
General Description
Clear pale yellow liquid with a pungent odor.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Allyl Propyl Disulfide may react vigorously with strong oxidizing agents. Incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. May liberate hydrogen sulfide upon decomposition or reaction with an acid.
Hazard
Eye and upper respiratory tract irritant.
Health Hazard
Exposures to allyl propyl disulfi de are absorbed into the body by inhalation and by ingestion. It causes a burning sensation, cough, chest tightness, nausea, vomiting, irritation to the eyes, skin, and respiratory tract. Based on animal and human experimental data, allyl propyl sulfi de is regarded as an occupational skin sensitizer.
Fire Hazard
Allyl Propyl Disulfide is combustible.
Contact allergens
With allicin and diallyl sulfide, allylpropyldisulfide is one of the allergens in garlic (Allium sativum L.). See also Chap. 46.
Safety Profile
Skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes
storage
Allyl propyl disulfi de should be separated from oxidants.
Precautions
During use/handling of allyl propyl disulfi de, occupational workers should use safety goggles or eye protection in combination with breathing protection and protective gloves. Many of the chemical reactions may result in a hazardous situation, i.e., generation of flammable or toxic chemicals, fi re or detonation.
Properties of Allyl Propyl Disulfide
Melting point: | -15°C |
Boiling point: | 69 °C / 16mmHg |
Density | 0.99 |
refractive index | 1.5160-1.5200 |
FEMA | 4073 | ALLYL PROPYL DISULFIDE |
Flash point: | 56 °C |
storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
form | Pale yellow oil |
color | Colorless to Light yellow to Light orange |
Odor | Powerful onionlike-garlic-like odor. |
Water Solubility | Insoluble. <0.1 g/100 mL at 20 ºC |
JECFA Number | 1700 |
CAS DataBase Reference | 2179-59-1(CAS DataBase Reference) |
NIST Chemistry Reference | 2-propenyl propyl disulfide(2179-59-1) |
EPA Substance Registry System | Allyl propyl disulfide (2179-59-1) |
Safety information for Allyl Propyl Disulfide
Signal word | Warning |
Pictogram(s) |
Flame Flammables GHS02 Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P370+P378:In case of fire: Use … for extinction. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P501:Dispose of contents/container to..… |
Computed Descriptors for Allyl Propyl Disulfide
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