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| CAS No.: | 110-81-6 | |||
|---|---|---|---|---|
| Name: | Disulfide, diethyl | |||
| Article Data: | 257 | |||
| Cas Database | ||||
| Molecular Structure: | ||||
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| Formula: | C4H10 S2 | |||
| Molecular Weight: | 122.255 | |||
| Synonyms: | Ethyldisulfide (8CI); 3,4-Dithiahexane; Diethyl disulfide; Ethyl disulphide;Ethyldithioethane; NSC 8839 | |||
| EINECS: | 203-805-7 | |||
| Density: | 0.99 | |||
| Melting Point: |
95-98.5 °C(lit.) |
|||
| Boiling Point: | 152 - 154 C | |||
| Flash Point: | 40 ºC | |||
| Solubility: | Clear to yellow liquid | |||
| Hazard Symbols: |
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| Risk Codes: | R10;R36/37/38 | |||
| Safety: | Moderately toxic by ingestion. A skin and eye irritant. Flammable when exposed to heat or flame; can react vigorously with oxidizing materials. To fight fire, use foam or dry chemical. See also SULFIDES and SULFATES. | |||
| Transport Information: | UN 1993 | |||
| PSA: | 50.60000 | |||
| LogP: | 2.40760 | |||
| Conditions | Yield |
|---|---|
| With lithium sulfide; sulfur; cetyl trimethyl ammonium bromide In chloroform; water for 1h; Ambient temperature; | 94% |
| With water; oxygen; sodium carbonate; thiourea at 35 - 40℃; for 5h; Green chemistry; | 87% |
| With sodium carbonate; sulfur; thiourea In water at 40℃; for 3h; Green chemistry; | 84% |
| Conditions | Yield |
|---|---|
| 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione In chloroform at 20℃; | 100% |
| With air; iron(III) chloride; sodium iodide In acetonitrile for 0.116667h; Ambient temperature; | 98% |
| With oxygen; SiO2-Cl In dichloromethane at 0℃; for 0.166667h; | 98% |
| Conditions | Yield |
|---|---|
| With sodium carbonate In water; acetonitrile at 80℃; for 3h; Sealed tube; | 89% |
| Conditions | Yield |
|---|---|
| With sodium disulfide; tetrabutylammomium bromide at 60 - 70℃; for 3h; Reagent/catalyst; | 95.3% |
| Conditions | Yield |
|---|---|
| With sodium sulfide; sulfur In chloroform; water at 25℃; for 2h; | 95% |
| With (C6H5CH2N(Et)3)6Mo7S24 In chloroform at 20℃; for 6h; | 92% |
| With diethyl ether; sodium disulfide | |
| With carbon disulfide; potassium hydroxide In dimethyl sulfoxide for 2h; | 0.6 g |
3,4-dichloro-5-ethylsulfanyl-2(5H)-furanone
A
Diethyl disulfide
B
4-chloro-5-ethoxy-2(5H)-furanone
| Conditions | Yield |
|---|---|
| With N,N,N,N-tetraethylammonium tetrafluoroborate; acetic acid In acetonitrile at 21.84℃; for 4.66667h; Electrolysis; Irradiation; |
| Conditions | Yield |
|---|---|
| With bromonitromethane In methanol | 85% |
| With water; iodine | |
| With sulfur | |
| With sulfuryl dichloride; water | |
| With iodine |
n-propanesulfonyl chloride
ethanethiol
A
Diethyl disulfide
B
propane-1-thiosulfonic acid S-ethyl ester
| Conditions | Yield |
|---|---|
| With triethylamine In diethyl ether at 20℃; for 0.333333h; Sonication; | A 34 %Chromat. B 13 %Chromat. |
| Conditions | Yield |
|---|---|
| With sodium carbonate; sulfur; thiourea In water at 70℃; for 4h; Green chemistry; | 87% |
| With water; sodium disulfide at 110℃; |
2-[bis(ethylsulfanyl)methyl]-1-(2-ethylthioethyl)-5-phenylpyrrole
ethanethiol
B
Diethyl disulfide
| Conditions | Yield |
|---|---|
| With 2,2'-azobis(isobutyronitrile) In benzene at 75℃; for 6h; | A 80% B n/a |
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Product Name: Diethyldisulfide (CAS NO.110-81-6)
Molecular Formula: C5H16NNaO3S2
Molecular Weight: 225.31g/mol
Mol File: 110-81-6.mol
Einecs: 205-710-6
Appearance: Clear colorless to light yellow liquid
Melting Point: 95-98.5 °C(lit.)
Boiling point: 154 °C at 760 mmHg
Storage Temperature: -20°C
Flash Point: 40 °C
Density: 0.993 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.506(lit.)
Surface Tension: 32.5 dyne/cm
Enthalpy of Vaporization: 37.58 kJ/mol
Vapour Pressure: 4.17 mmHg at 25°C
XLogP3-AA: 1.6
Product Categories: Sulfide Flavor
Diethyldisulfide (CAS NO.110-81-6) is the preparation method is the first release within the reactor sodium sulfide solution, according to sodium sulfide: sulfur = 1:1 (molar ratio) is expected to vote put sulfur powder, jacket temperature, in the stirring, when the temperature reached 80 ~ 95 °C when the Serve warm 1h disulfide disodium salt (Na2S2) solution, and then pumped into the alkylation reactor in disulfide disodium salt solution, start stirring until the reaction vessel to a vacuum (2 ~ 3.3) × 104Pa off valves start the chlorine into the ethane, the reaction temperature was controlled at 75 ~ 90 °C, pressure control (1.17 ~ 1.18) × 105Pa, feed ratio (mole ratio) disulfide disodium salt: ethyl = 1:2, Tung finished chloroethane, the will be expected to cool to below 50 °C will be expected to put it aside for the oil pumped to the water separator layer, the upper reservoir shall be finished.
| 1. | skn-rbt 500 mg/24H MLD | 28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,171. | ||
| 2. | eye-rbt 100 mg/24H MOD | 28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,171. | ||
| 3. | orl-rat LD50:2030 mg/kg | 28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,171. |
Reported in EPA TSCA Inventory.
Safety Information of Diethyldisulfide (CAS NO.110-81-6):
Hazard Codes: Xn.gif){kind=small}
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Risk Statements: 22-38-41-36/37/38-10
10: Flammable
22: Harmful if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
41: Risk of serious damage to eyes
Safety Statements: 26-39-37/39-16-36
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
Diethyldisulfide ,its CAS NO. is 110-81-6,the synonyms is (C2h5s)2 ; 1-(Ethyldisulfanyl)ethane ; Diethyldisulfid ; Disulfide,diethyl ; Dlethyldisulfide ; Ethyldisulfanyl-ethane ; Ethyldisulphide ; Ethyldithioethan .
