Methyl thiobutyrate

CAS No.：2432-51-1

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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Methyl thiobutyrate Basic information

Product Name:	Methyl thiobutyrate
Synonyms:	Methyl thiobutyrate 1%;Thio-butyrate;METHYL THIOBUTYRATE;METHANETHIOL N-BUTYRATE;FEMA 3310;S-METHYL BUTANETHIOATE;S-Methyl thiobutanoate,98%;S-Methyl thiobutanoate 98%
CAS:	2432-51-1
MF:	C5H10OS
MW:	118.2
EINECS:	219-407-1
Product Categories:	thioester Flavor
Mol File:	2432-51-1.mol

Methyl thiobutyrate Chemical Properties

Boiling point	142-143 °C/757 mmHg (lit.)
density	0.966 g/mL at 25 °C (lit.)
refractive index	n20/D 1.461(lit.)
FEMA	3310 \| METHYL THIOBUTYRATE
Fp	94 °F
form	clear liquid
Specific Gravity	0.966
color	Colorless to Light yellow
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

Hazard Codes	Xi
Risk Statements	10-36/37/38
Safety Statements	16-26-36/37/39-37/39
RIDADR	UN 1993 3/PG 3
WGK Germany	3
TSCA	Yes
HazardClass	3
PackingGroup	III
HS Code	29309090

MSDS Information

Provider	Language
Methyl thiobutyrate	English
SigmaAldrich	English
ACROS	English
ALFA	English

Methyl thiobutyrate Usage And Synthesis

Description	Methyl thiobutyrate has a putrid, rancid, sour, pungent cabbage odor.
Chemical Properties	Methyl thiobutyrate has a putrid, rancid, sour, pungent, cabbage odor.
Chemical Properties	CLEAR YELLOW LIQUID
Occurrence	Reported found in melon, strawberry, cheeses, fish oil, hop oil and shrimp
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.

Methyl thiobutyrate Preparation Products And Raw materials

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