Propanoic acid,3-(methylthio)-, methyl ester

Propanoic acid,3-(methylthio)-, methyl ester

Another Name:Propionicacid, 3-(methylthio)-, methyl ester (6CI,7CI,8CI); 2-Methoxycarbonylethylmethyl sulfide; Methyl 3-(methylthio)propionate; Methyl 3-methylthiopropanoate;Methyl b-methylthiopropionate; NSC 76415

CAS:236-883-6

Molecular Weight:134.19

Molecular Formula:C5H10O2S

Terminology: Security: S24/25

Physical and chemical properties

3- methylthio propionic acid methyl ester ( 13532-18-8 ) traits

1 colorless to pale yellow liquid, has an onion like aroma.

2 point 74 ~ 75℃( 1733Pa ).

3 extremely difficult to dissolve in water, soluble in ethanol.

Toxicity

1.GRAS ( FEMA ).

2 safe for food ( FDA,§ 172.5152000 ).

Use

3- methylthio propionic acid methyl ester ( 13532-18-8 ) use

GB2760 - 1996 provisions to allow the use of edible spices.

Description

3- methylthio propionic acid methyl ester ( 13532-18-8 ) preparation method

1 by methyl acrylate and methyl mercaptan in the presence of sodium methoxide condensation.

2 by methylthio sodium iodide reaction with methyl propionate and transformed into.

1.FEMA ( mg/kg ): 0.35 candy beverage; 0.74; 1 0.05 syrup baked food.

( FDA,§ 172.5152000 ).

Content analysis

By gas-liquid chromatography ( 67 - 10 - 4 ) with non-polar column for determination.

Be careful. Is usually slightly deleterious to water, don't will not dilute or a large number of product contact groundwater, water or sewage system, without the permission of the government not to be material is discharged into the surrounding environment. Stable at normal temperature and pressure to avoid material: oxide. Normal temperature sealing, cool, ventilated and dry