| | Identification | More |  | [Name] 
 3-(Methylthio)butanal
 |  | [CAS] 
 16630-52-7
 |  | [Synonyms] 
 3-(METHYLMERCAPTO)BUTYRALDEHYDE
 3-(METHYLTHIO)BUTANAL
 3-METHYLTHIO BUTYLALDEHYDE
 3-(METHYLTHIO)BUTYRALDEHYDE
 FEMA 3374
 3-(methylthio)-butana
 3-(METHYLTHIO)BUTANAL  96+%
 3-(Methylyhio)Butanal
 Butanal, 3-(methylthio)-
 3-(Methylthio)butanai
 |  | [EINECS(EC#)] 
 240-678-7
 |  | [Molecular Formula] 
 C5H10OS
 |  | [MDL Number] 
 MFCD00036622
 |  | [Molecular Weight] 
 118.2
 |  | [MOL File] 
 16630-52-7.mol
 | 
 | Chemical Properties | Back Directory |  | [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)
 
 |  | [FEMA ] 
 3374
 |  | [refractive index ] 
 n20/D 1.476(lit.)
 
 |  | [Fp ] 
 144 °F
 
 |  | [storage temp. ] 
 2-8°C
 |  | [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
 |  | [biological source] 
 synthetic
 |  | [Odor Type] 
 green
 |  | [Sensitive ] 
 Air Sensitive
 |  | [JECFA Number] 
 467
 |  | [LogP] 
 1.05
 |  | [CAS DataBase Reference] 
 16630-52-7(CAS DataBase Reference)
 |  | [EPA Substance Registry System] 
 16630-52-7(EPA Substance)
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 Xi
 |  | [Risk Statements ] 
 R36/37/38:Irritating to eyes, respiratory system and skin .
 |  | [Safety Statements ] 
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
 S36:Wear suitable protective clothing .
 |  | [RIDADR ] 
 1989
 |  | [WGK Germany ] 
 3
 
 |  | [TSCA ] 
 Yes
 |  | [HazardClass ] 
 3
 |  | [HS Code ] 
 29309090
 | 
 | Hazard Information | Back Directory |  | [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.
 |  | [Uses] 
 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 .
 |  | [Definition] 
 ChEBI: 3-(Methylthio)butanal is an aldehyde.
 |  | [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
 |  | [Taste threshold values] 
 Taste characteristics at 0.2 ppm: vegetative, tomato, fishy and sulfureous.
 | 
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