1,4-BUTANEDITHIOL
Synonym(s):1,4-Dimercaptobutane;Tetramethylene dimercaptan
- CAS NO.：1191-08-8
- Empirical Formula: C4H10S2
- Molecular Weight: 122.25
- MDL number: MFCD00004906
- EINECS: 214-728-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 01:16:55
What is 1,4-BUTANEDITHIOL?
Chemical properties
clear colorless to pale yellow liquid
What are the applications of Application
1,4-Butanedithiol is used in self-assembled monolayers (SAMs)
Synthesis Reference(s)
The Journal of Organic Chemistry, 20, p. 50, 1955 DOI: 10.1021/jo01119a009
General Description
1,4-Butanedithiol, an alkanedithiol, is a food odorant. Its odor threshold is similar to its other homologs (propane-1,3-dithiol and pentane-1,5-dithiol).
Properties of 1,4-BUTANEDITHIOL
| Melting point: | -53.9°C |
| Boiling point: | 105-106 °C/30 mmHg (lit.) |
| Density | 1.042 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| form | liquid |
| pka | 10.07±0.10(Predicted) |
| color | Colorless to Almost colorless |
| Odor | at 0.01 % in propylene glycol. sulfurous meaty |
| BRN | 1697080 |
| CAS DataBase Reference | 1191-08-8(CAS DataBase Reference) |
| EPA Substance Registry System | 1,4-Butanedithiol (1191-08-8) |
Safety information for 1,4-BUTANEDITHIOL
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for 1,4-BUTANEDITHIOL
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![1-([4-(PHENYLSULFANYL)BUTYL]SULFANYL)BENZENE](https://img.chemicalbook.in/StructureFile/ChemBookStructure2/GIF/CB3752144.gif)
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