3-Mercapto-2-butanone

Available forms:colourless or pale yellow liquid, becomes cloudy after short storage

pd_proNo:524782-aea2cdaf-32dc-4be9-8bf7-fa37dd838422

pd_productuse:

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Detailed introduction

Factory supply 3-Mercapto-2-butanone 40789-98-8 with sufficient production capacity

  • Molecular Formula:C4H8OS
  • Molecular Weight:104.173
  • Appearance/Colour:colourless or pale yellow liquid, becomes cloudy after short storage 
  • Vapor Pressure:6.25mmHg at 25°C 
  • Refractive Index:n20/D 1.4352 
  • Boiling Point:140 °C at 760 mmHg 
  • PKA:8.38±0.10(Predicted) 
  • Flash Point:38.5 °C 
  • PSA:55.87000 
  • Density:0.981 g/cm3 
  • LogP:0.89370 

3-Mercapto-2-butanone(Cas 40789-98-8) Usage

Preparation

From 2,4,5-trimethyl-2-ethyl-3-thiazoline with butyl and hydrolysis; from oxo-compound with sulfur or polysulfides and ammonia at room temperature.

Biochem/physiol Actions

Taste at 0.3-1.0 ppm

General Description

3-Mercapto-2-butanone is a sulfur-containing flavor compound mainly found in meat and meat products. It is formed by the Maillard reaction between sugars and cysteine or thiamin, which are known precursors for meat-like flavorings.

InChI:InChI=1/C4H8OS/c1-3(5)4(2)6/h4,6H,1-2H3

40789-98-8 Relevant articles

Effect of pH on the maillard reaction of [C]xylose, cystein, and thiamin

Cerny, Christoph,Briffod, Matthieu

scheme or table, p. 1552 - 1556 (2009/10/01)

The influence of different pH values, ra...

Process research on the synthesis of silthiofam: A novel fungicide for wheat

Phillips, Gary,Fevig, Thomas L.,Lau, Patrick H.,Klemm, George H.,Mao, Michael K.,Ma, Chun,Gloeckner, James A.,Clark, Art S.

, p. 357 - 366 (2013/09/06)

The development of an efficient, low-cos...

A novel and expeditious approach to thiophene-3-carboxylates

Fevig,Phillips,Lau

, p. 2493 - 2497 (2007/10/03)

-

A general and mild synthesis of thioesters and thiols from halides

Zheng, Tu-Cai,Burkart, Maureen,Richardson, David E.

, p. 603 - 606 (2007/10/03)

The conversion of a wide variety of hali...

40789-98-8 Process route

D-xylose
58-86-6

D-xylose

vitamin B<sub>1</sub>
59-43-8

vitamin B1

4,5-Dihydro-2-methylthiophen-3-(2H)-on
74015-70-6,13679-85-1

4,5-Dihydro-2-methylthiophen-3-(2H)-on

5-hydroxyethyl-4-methylthiazole
137-00-8,8042-97-5

5-hydroxyethyl-4-methylthiazole

2-methyltetrahydrofuran-3-one
3188-00-9

2-methyltetrahydrofuran-3-one

3-mercapto-2-butanone
40789-98-8

3-mercapto-2-butanone

3-mercaptopentan-2-one
67633-97-0

3-mercaptopentan-2-one

2-methylfuran-3-thiol
28588-74-1

2-methylfuran-3-thiol

Conditions
Conditions Yield
With L-Cysteine; at 145 ℃; for 0.333333h; pH=7; aq. phosphate buffer;
[13C<sub>5</sub>]xylose
1262683-58-8,139657-61-7,139657-63-9,178101-87-6,201741-00-6,202114-47-4,211947-12-5,213825-57-1,478506-64-8

[13C5]xylose

vitamin B<sub>1</sub>
59-43-8

vitamin B1

4,5-Dihydro-2-methylthiophen-3-(2H)-on
74015-70-6,13679-85-1

4,5-Dihydro-2-methylthiophen-3-(2H)-on

5-hydroxyethyl-4-methylthiazole
137-00-8,8042-97-5

5-hydroxyethyl-4-methylthiazole

2-methyltetrahydrofuran-3-one
3188-00-9

2-methyltetrahydrofuran-3-one

3-mercapto-2-butanone
40789-98-8

3-mercapto-2-butanone

3-mercaptopentan-2-one
67633-97-0

3-mercaptopentan-2-one

<sup>(13)</sup>C<sub>5</sub>H<sub>10</sub>OS

(13)C5H10OS

<sup>(13)</sup>C<sub>5</sub>H<sub>6</sub>OS

(13)C5H6OS

2-methylfuran-3-thiol
28588-74-1

2-methylfuran-3-thiol

Conditions
Conditions Yield
With L-Cysteine; at 145 ℃; for 0.333333h; pH=7; aq. phosphate buffer;

40789-98-8 Upstream products

  • 4091-39-8
    4091-39-8

    3-chloro-2-butanone

  • 87602-19-5
    87602-19-5

    2,2,4,4-Tetramethyl-[1,3]oxathiolan-5-one

  • 431-03-8
    431-03-8

    dimethylglyoxal

  • 28588-74-1
    28588-74-1

    2-methylfuran-3-thiol

40789-98-8 Downstream products

  • 84310-28-1
    84310-28-1

    2-(1-mercaptoethyl)-2,4,5-trimethyl-3-thiazoline

  • 78-93-3
    78-93-3

    butanone

  • 53475-15-3
    53475-15-3

    D,L-3-(methylthio)-2-butanone

  • 82694-43-7
    82694-43-7

    (4,5-dimethyl-3-phenyl-3H-thiazol-2-ylidene)-phenyl-amine

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