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HomeProduct name list3-Mercapto-2-butanone

3-Mercapto-2-butanone

  • CAS NO.:40789-98-8
  • Empirical Formula: C4H8OS
  • Molecular Weight: 104.17
  • MDL number: MFCD00085206
  • EINECS: 255-082-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-04 20:04:50
3-Mercapto-2-butanone Structural

What is 3-Mercapto-2-butanone?

Chemical properties

Colorless liquid

The Uses of 3-Mercapto-2-butanone

3-Sulfanylbutan-2-one can be used to treating inflammation-??related diseases.

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.

Definition

ChEBI: 3-Mercapto-2-butanone is a ketone.

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.

Biochem/physiol Actions

Taste at 0.3-1.0 ppm

Properties of 3-Mercapto-2-butanone

Boiling point: 48-49 °C/15 mmHg (lit.)
Density  1.035 g/mL at 25 °C (lit.)
refractive index  n20/D 1.4352
FEMA  3298 | 3-MERCAPTO-2-BUTANONE
Flash point: 117 °F
storage temp.  Refrigerator
form  clear liquid
pka 8.38±0.10(Predicted)
Specific Gravity 1.015
color  Colorless to Light yellow
Odor at 0.10 % in propylene glycol. sulfurous onion roasted gassy meaty
Sensitive  Light Sensitive
JECFA Number 558
CAS DataBase Reference 40789-98-8(CAS DataBase Reference)
NIST Chemistry Reference 2-Butanone, 3-mercapto-(40789-98-8)
EPA Substance Registry System 2-Butanone, 3-mercapto- (40789-98-8)

Safety information for 3-Mercapto-2-butanone

Signal word Warning
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H226:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233:Keep container tightly closed.
P240:Ground/bond container and receiving equipment.
P241:Use explosion-proof electrical/ventilating/lighting/…/equipment.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
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 3-Mercapto-2-butanone

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