Dimethyl Disulfide
Product Description
Product Detail
Identification Description Regulatory Status Usage Natural occurrence
Product Name: |
Dimethyl Disulfide |
Synonyms: |
DYALLYLDISULFIDE;DI(2-PROPENYL)DISULPHIDE;DIALLYL DISULFIDE: TECH., 80%;ALLYL DISULFIDE;ALLYL DISULPHIDE;2-PROPENYL DISULPHIDE;FEMA 2028;DIALLYL DISULFIDE |
CAS: |
2179-57-9 |
MF: |
C6H10S2 |
MW: |
146.27 |
EINECS: |
218-548-6 |
Product Categories: |
sulfide Flavor |
Mol File: |
2179-57-9.mol |
|
Boiling point |
180-195 °C(lit.) |
density |
1.008 g/mL at 25 °C(lit.) |
vapor density |
>5 (vs air) |
vapor pressure |
1 mm Hg ( 20 °C) |
refractive index |
n20/D 1.541(lit.) |
FEMA |
2028 | ALLYL DISULFIDE |
Fp |
144 °F |
storage temp. |
2-8°C |
form |
oil |
color |
colorless to yellow |
Odor |
Diallyl disulfide is an essential odor component of garlic oil. |
Hazard Codes |
Xn,Xi |
Risk Statements |
22-36/37/38-10 |
Safety Statements |
26-36/37/39-37/39-16-36 |
RIDADR |
UN 2810 6.1/PG 3 |
WGK Germany |
3 |
RTECS |
BB1000000 |
F |
13 |
TSCA |
Yes |
HazardClass |
6.1 |
PackingGroup |
II |
HS Code |
29309090 |
Hazardous Substances Data |
2179-57-9(Hazardous Substances Data) |
Description |
Allyl disulfide has a characteristic garlic odor. It is used as a flavor enhancer, flavoring agent or adjuvant. |
Usage |
Reported uses (ppm): (FEMA, 1994)
Food Category Usual Max. Alcoholic beverages 0.1 1 Baked goods 9.09 13.16 Condiments, relishes 13.82 15.21 Frozen dairy 0.1 1 Gelatins, puddings 0.5 1 Gravies 2 6.5 Meat products 9.4 13.1 Nonalcoholic beverages 0.07 0.68 Soft candy 0.5 1 Soups 1 10 |
Natural occurrence |
Main constituent of Allium sativum essential oil. Reported found in onion (Allium cipa, L.), garlic (Allium sativum L.), chive (Allium schoenoprasum L.), nira (Allium tuberosum rottl.), raw cabbage and caucas (Allium victoralis L.). |
Chemical Properties |
CLEAR YELLOW LIQUID |
Chemical Properties |
Allyl disulfide has a characteristic garlic odor. It is used as a flavor enhancer, flavoring agent or adjuvant |
Occurrence |
Main constituent of Allium sativum essential oil. Reported found in onion (Allium cipa, L.), garlic (Allium sativum L.), chive (Allium schoenoprasum L.), nira (Allium tuberosum rottl.), raw cabbage and caucas (Allium victoralis L.). |
Uses |
antineoplastic, antibacterial, apoptosis inducer, insecticide |
Uses |
Diallyldisulfide has a range of uses varying from a Cytocrome P450 inhibitor to vasorelaxant and hypotensive. Being in the class of organosulfur compounds, it carries chemopreventive characteristics . |
Definition |
ChEBI: An organic disulfide where the organic group specified is allyl. It has been isolated from garlic and other species of the genus Allium. |
Preparation |
By oxidation of allyl mercaptan with iodine in the presence of pyridine and ethanol; from sodium allyl thiosulfate with potassium hydroxide. |
Aroma threshold values |
Detection: 4.3 to 30 ppb; Recognition: 80 ppb |
Taste threshold values |
Taste characteristics at 2 ppm: green onion and garlic-like with meaty nuances |
Contact allergens |
Diallyldisulfide is one of the major allergens in garlic (Allium sativum) and onions. Among patients patch-testpositive to garlic, all 13 who were tested had positive reactions to diallyl sulfide 5% pet. |
Purification Methods |
Purify the disulfide by fractional distillation until the molar refractivity is in uniformly good agreement with the calculated value [Small et al. J Am Chem Soc 69 1710 1947]. It has also been purified by gas chromatography [retention times: Carson & Wong J Org Chem 24 175 1959, UV: Koch J Chem Soc 395 1949]. It is present in garlic. [Beilstein 1 IV 2098.] |
Raw materials |
Allyl mercaptan |