| Identification | More | [Name]
Methyl thiobutyrate | [CAS]
2432-51-1 | [Synonyms]
FEMA 3310
METHANETHIOL N-BUTYRATE
METHYL THIOBUTYRATE
S-METHYL BUTANETHIOATE
S-METHYL THIOBUTANOATE
S-METHYL THIOBUTYRATE
THIOBUTYRIC ACID S-METHYL ESTER
Butanethioicacid,Smethylester
Butanethioicacid,S-methylester
Butyric acid, thio-, S-methyl ester
Methane n-thiolbutyrate
Methyl thiobutanoate
METHYL THIOBUTYRATE 97+%
S-Methylthiobutyrate,98%
methyl thiolbutyrate
THIOBUTYRICACID,METHYLESTER
METHYL THIOBUTYRATE, NATURAL
METHYL THIOBUTYRATE, NATURAL 5% IN ETOH
S-Methyl thiobutanoate, S-Methyl thiobutyrate | [EINECS(EC#)]
219-407-1 | [Molecular Formula]
C5H10OS | [MDL Number]
MFCD00009872 | [Molecular Weight]
118.2 | [MOL File]
2432-51-1.mol |
| Chemical Properties | Back Directory | [Appearance]
CLEAR YELLOW LIQUID | [Boiling point ]
142-143 °C/757 mmHg (lit.) | [density ]
0.966 g/mL at 25 °C(lit.)
| [FEMA ]
3310 | [refractive index ]
n20/D 1.461(lit.)
| [Fp ]
94 °F
| [form ]
clear liquid | [color ]
Colorless to Light yellow | [Specific Gravity]
0.966 | [Odor]
at 0.10 % in propylene glycol. sulfury cheese putrid cabbage garlic | [biological source]
synthetic | [Odor Type]
cheesy | [JECFA Number]
484 | [BRN ]
1848987 | [Major Application]
flavors and fragrances | [InChI]
1S/C5H10OS/c1-3-4-5(6)7-2/h3-4H2,1-2H3 | [InChIKey]
GRLJIIJNZJVMGP-UHFFFAOYSA-N | [SMILES]
CCCC(=O)SC | [LogP]
1.79 | [CAS DataBase Reference]
2432-51-1(CAS DataBase Reference) | [NIST Chemistry Reference]
Butanethioic acid, S-methyl ester(2432-51-1) | [EPA Substance Registry System]
2432-51-1(EPA Substance) |
| Questions And Answer | Back Directory | [Uses]
Methyl thiobutyrate can be used in food flavor formulations, such as in the blending of flavors for cheese, tomatoes, onions, garlic, horseradish, cocoa, and cream. |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S37/39:Wear suitable gloves and eye/face protection . | [RIDADR ]
UN 1993 3/PG 3
| [WGK Germany ]
3
| [TSCA ]
Yes | [HazardClass ]
3 | [PackingGroup ]
III | [HS Code ]
29309090 | [Storage Class]
3 - Flammable liquids | [Hazard Classifications]
Eye Irrit. 2
Flam. Liq. 3
Skin Irrit. 2
STOT SE 3 |
| Hazard Information | Back Directory | [Description]
Methyl thiobutyrate has a putrid, rancid, sour, pungent cabbage
odor. | [Chemical Properties]
CLEAR YELLOW LIQUID | [Chemical Properties]
Methyl thiobutyrate has a putrid, rancid, sour, pungent, cabbage odor. | [Occurrence]
Reported found in melon, strawberry, cheeses, fish oil, hop oil and shrimp | [Definition]
ChEBI: S-Methyl butanethioate is a thiocarboxylic ester. | [Aroma threshold values]
Aroma characteristics at 1.0% EtoH: sulfureous, egg and cheese notes, tomato, tropical fruit top notes | [Taste threshold values]
Taste characteristics at 5 ppm: musty, sulfureous, limburger-type cheese top notes, metallic cheese body | [General Description]
The synthesis of short chain S-methyl thioesters (S-methyl thiobutyrate) has been investigated in Geotrichum candidum strain GcG. |
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