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HomeProduct name listDimeric mercapto propanone

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: 2024-10-24 21:11:45
Dimeric mercapto propanone Structural

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)
ghs
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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