Diethyl disulfide
Synonym(s):Diethyl disulfide;Ethyl disulfide
- CAS NO.：110-81-6
- Empirical Formula: C4H10S2
- Molecular Weight: 122.25
- MDL number: MFCD00009266
- EINECS: 203-805-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-09-25 17:15:13
What is Diethyl disulfide?
Chemical properties
clear colorless to light yellow liquid
Chemical properties
Colorless to yellowish liquid; onion/cabbage odor
The Uses of Diethyl disulfide
Diethyl sulfide is used as a solvent for anhydrous minerals and in plating baths for gold and silver
Definition
ChEBI: Diethyl disulfide is an organic disulfide.
Purification Methods
Dry the disulfide over silica gel or MgSO4 and distil it under reduced pressure (optionally from CaCl2). [Beilstein 1 H 347, 1 I 173, 1 II 345, 1 III 1377, 1 IV 1379.]
Properties of Diethyl disulfide
| Melting point: | 95-98.5 °C(lit.) |
| Boiling point: | 151-153 °C (lit.) |
| Density | 0.993 g/mL at 25 °C (lit.) |
| vapor density | 5.9 (vs air) |
| vapor pressure | 5.7 hPa (25 °C) |
| FEMA | 4093 | DIETHYL DISULFIDE |
| refractive index | n |
| Flash point: | 104 °F |
| storage temp. | Store below +30°C. |
| solubility | H2O: passes test |
| form | liquid |
| color | Colorless to Light yellow to Light orange |
| Odor | at 0.10 % in triacetin. gassy ripe onion greasy garlic |
| Odor Threshold | 0.002ppm |
| Water Solubility | Soluble in water. |
| JECFA Number | 1699 |
| BRN | 1098273 |
| Dielectric constant | 18.9（19℃） |
| CAS DataBase Reference | 110-81-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Disulfide, diethyl(110-81-6) |
| EPA Substance Registry System | Diethyl disulfide (110-81-6) |
Safety information for Diethyl disulfide
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation 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. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Diethyl disulfide
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