3-(Methylthio)butanal

CAS NO.：16630-52-7
Empirical Formula: C5H10OS
Molecular Weight: 118.2
MDL number: MFCD00036622
EINECS: 240-678-7
SAFETY DATA SHEET (SDS)
Update Date: 2024-07-16 15:11:44

What is 3-(Methylthio)butanal?

Description

3-(Methylthio)butanal has the flavor of potato chips. It is prepared by addition of methanethiol to the corresponding unsaturated aldehyde (previously cooled to -20°C), using piperidine or copper acetate as catalyst; by a patented oxo process.

Chemical properties

3-Methylthiobutyraldehyde has a green, musky, buchu odor and a flavor reminiscent of potato chip

Occurrence

Reported found in French fried potato and krill.

The Uses of 3-(Methylthio)butanal

3-(Methylthio)butanal, is shown to be used as flavoring and fragrances agent. It is also used as a starting material for the synthesis of Sulfoxaflor (S755005), which is an insecticide .

Preparation

By addition of methanethiol to the corresponding unsaturated aldehyde (previously cooled to -20°C), using piperidine or copper acetate as catalyst; by a patented oxo process

Definition

ChEBI: 3-(Methylthio)butanal is an aldehyde.

Taste threshold values

Taste characteristics at 0.2 ppm: vegetative, tomato, fishy and sulfureous.

Properties of 3-(Methylthio)butanal

Boiling point:	62-64 °C10 mm Hg(lit.)
Density	1.001 g/mL at 25 °C(lit.)
vapor density	4.1 (vs air)
vapor pressure	60 mm Hg ( 20 °C)
refractive index	n20/D 1.476(lit.)
FEMA	3374 \| 3-(METHYLTHIO)BUTANAL
Flash point:	144 °F
solubility	soluble in Chloroform, Ethyl Acetate
form	clear liquid
color	Colorless to Light yellow
Odor	at 0.10 % in dipropylene glycol. green musk buchu potato chip
Sensitive	Air Sensitive
JECFA Number	467
CAS DataBase Reference	16630-52-7(CAS DataBase Reference)
EPA Substance Registry System	Butanal, 3-(methylthio)- (16630-52-7)

Safety information for 3-(Methylthio)butanal

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Corrosion Corrosives GHS05 Skull and Crossbones Acute Toxicity GHS06 Health Hazard GHS08 Environment GHS09
GHS Hazard Statements	H226:Flammable liquids H318:Serious eye damage/eye irritation H331:Acute toxicity,inhalation H341:Germ cell mutagenicity H400:Hazardous to the aquatic environment, acute hazard
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313:IF exposed or concerned: Get medical advice/attention.