Dimeric mercapto propanone Chemical Properties

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

pka

12.12±0.40(Predicted)

form 

solid

color 

White to Almost white

Odor

at 0.10 % in propylene glycol. pork lamb chicken savory bouillon onion

Odor Type

meaty

Water Solubility 

slightly soluble

JECFA Number

562

InChIKey

NHKIYYMFGJBOTK-UHFFFAOYSA-N

LogP

1.01

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

Hazard Codes 

F;Xi,Xi,F

Risk Statements 

11-36/37/38

Safety Statements 

16-26-37/39

RIDADR 

UN 3335

WGK Germany 

3

HS Code 

2934.99.9001

MSDS

• Language:English Provider:Dimeric mercapto propanone

Dimeric mercapto propanone Usage And Synthesis

Chemical Properties

white to light yellow powder

Occurrence

Reported found in heated pork.

Uses

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.

Dimeric mercapto propanone(55704-78-4)Related Product Information

• POTASSIUM THIOGLYCOLATE
• 2-Ethylhexyl mercaptoacetate
• Succimer
• Dimethyl carbonate
• Sodium thioglycolate
• 3-Mercaptopropionic acid
• Calcium thioglycolate
• Dimethyl fumarate
• Mercaptoacetic acid
• Dimethyl sulfide
• Citric acid monohydrate
• Poly(dimethylsiloxane)
• Dimethyl sulfoxide
• N,N-Dimethylformamide
• Dimethyl ether
• Dimethyl sulfate
• ETHANE
• Dacthal