1,9-Nonanedithiol
Synonym(s):1,9-Dimercaptononane
- CAS NO.：3489-28-9
- Empirical Formula: C9H20S2
- Molecular Weight: 192.39
- MDL number: MFCD00004914
- EINECS: 222-482-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-03 14:17:14
What is 1,9-Nonanedithiol?
Chemical properties
COLOURLESS TO PALE YELLOW LIQUID
Chemical properties
,9-Nonanedithiol has a sulfurous, meaty odor. FEMA indicates that total dithiol added to any food should not exceed 1.00 ppm
The Uses of 1,9-Nonanedithiol
Possible uses: mushroom, meat, chicken, cereal, cucumber.
What are the applications of Application
1,9-Nonanedithiol is used in self-assembled monolayers (SAMs)
Definition
ChEBI: 1,9-Nonanedithiol is an alkanethiol.
Biochem/physiol Actions
Odor at 0.10%: waxy, sulfurous, metallic, vegetative.
Properties of 1,9-Nonanedithiol
| Boiling point: | 284 °C(lit.) |
| Density | 0.952 g/mL at 25 °C(lit.) |
| refractive index | n |
| FEMA | 3513 | 1,9-NONANEDITHIOL |
| Flash point: | 215 °F |
| pka | 10.19±0.10(Predicted) |
| Odor | at 0.10 % in propylene glycol. sulfur meaty savory fatty lamb |
| Water Solubility | insoluble |
| Sensitive | Air Sensitive |
| JECFA Number | 542 |
| BRN | 1737568 |
| CAS DataBase Reference | 3489-28-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,9-Nonanedithiol(3489-28-9) |
| EPA Substance Registry System | 1,9-Nonanedithiol (3489-28-9) |
Safety information for 1,9-Nonanedithiol
| 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 1,9-Nonanedithiol
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