Butyl disulfide
Synonym(s):Butyl disulfide;Dibutyl disulfide
- CAS NO.：629-45-8
- Empirical Formula: C8H18S2
- Molecular Weight: 178.36
- MDL number: MFCD00009467
- EINECS: 211-091-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:25:59
What is Butyl disulfide?
Chemical properties
clear colourless to very slightly brown liquid
Definition
ChEBI: Dibutyl disulfide is an organic disulfide.
Synthesis Reference(s)
Chemical and Pharmaceutical Bulletin, 34, p. 486, 1986 DOI: 10.1248/cpb.34.486
Synthesis, p. 1091, 1982 DOI: 10.1055/s-1982-30083
Purification Methods
Shake it with lead peroxide, filter and distil it in a vacuum under N2. [Beilstein 1 IV 1560.]
Properties of Butyl disulfide
| Melting point: | −94 °C(lit.) |
| Boiling point: | 229-233 °C(lit.) |
| Density | 0.938 g/mL at 25 °C(lit.) |
| vapor pressure | 52 mm Hg ( 37.7 °C) |
| refractive index | n |
| Flash point: | 200 °F |
| storage temp. | Store below +30°C. |
| form | Liquid |
| color | Clear colorless to very slightly brown |
| Odor | sulfurous |
| Odor Threshold | 0.00021ppm |
| explosive limit | 0.8%(V) |
| Water Solubility | Immiscible |
| BRN | 1735184 |
| CAS DataBase Reference | 629-45-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Disulfide, dibutyl(629-45-8) |
| EPA Substance Registry System | Disulfide, dibutyl (629-45-8) |
Safety information for Butyl disulfide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
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. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 Butyl disulfide
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