Methyl thiobutyrate
Synonym(s):S-Methyl thiobutanoate;S-Methyl thiobutyrate
- CAS NO.：2432-51-1
- Empirical Formula: C5H10OS
- Molecular Weight: 118.2
- MDL number: MFCD00009872
- EINECS: 219-407-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-21 22:41:43
What is Methyl thiobutyrate?
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.
Properties of Methyl thiobutyrate
| Boiling point: | 142-143 °C/757 mmHg (lit.) |
| Density | 0.966 g/mL at 25 °C (lit.) |
| refractive index | n |
| FEMA | 3310 | METHYL THIOBUTYRATE |
| Flash point: | 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 |
| JECFA Number | 484 |
| BRN | 1848987 |
| CAS DataBase Reference | 2432-51-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Butanethioic acid, S-methyl ester(2432-51-1) |
| EPA Substance Registry System | Butanethioic acid, S-methyl ester (2432-51-1) |
Safety information for Methyl thiobutyrate
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  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 Methyl thiobutyrate
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