Dimeric mercapto propanone
- CAS NO.：55704-78-4
- Empirical Formula: C6H12O2S2
- Molecular Weight: 180.29
- MDL number: MFCD00010121
- EINECS: 259-770-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-08-28 17:34:51
What is Dimeric mercapto propanone?
Chemical properties
white to light yellow powder
Occurrence
Reported found in heated pork.
The Uses of Dimeric mercapto propanone
2,5-Dihydroxy-2,5-dimethyl-1,4-dithiane is a useful reactant for the preparation of tetrahydrothiopyranols via a [3+3]-annulation of cyclopropane diesters.
Definition
ChEBI: 2,5-Dimethyl-1,4-dithiane-2,5-diol is a member of dithianes.
Aroma threshold values
Aroma characteristics at 0.10%: eggy, hydrogen sulfide-like, lychee, catty, roasted meaty, vegetative, onion and garlic with chicken brothy nuances
Taste threshold values
Taste characteristics at 2 ppm: roasted meaty, lychee tropical flesh-like, brothy and yeasty, eggy, bready cocoa and tomato-like.
Properties of Dimeric mercapto propanone
| Melting point: | 64 °C |
| Boiling point: | 283.13°C (rough estimate) |
| Density | 1.147 (estimate) |
| refractive index | 1.5390 (estimate) |
| FEMA | 3450 | 2,5-DIMETHYL-2,5-DIHYDROXY-1,4-DITHIANE |
| Flash point: | 47°C |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | soluble in Methanol |
| form | solid |
| pka | 12.12±0.40(Predicted) |
| color | White to Almost white |
| Odor | at 0.10 % in propylene glycol. pork lamb chicken savory bouillon onion |
| Water Solubility | slightly soluble |
| JECFA Number | 562 |
| CAS DataBase Reference | 55704-78-4(CAS DataBase Reference) |
| EPA Substance Registry System | 1,4-Dithiane-2,5-diol, 2,5-dimethyl- (55704-78-4) |
Safety information for Dimeric mercapto propanone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
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. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for Dimeric mercapto propanone
| InChIKey | NHKIYYMFGJBOTK-UHFFFAOYSA-N |
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