Propanoic Acid

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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 ~ 75a ( 1733Pa ).
3 extremely difficult to dissolve in water, soluble in ethanol.

Toxicity:
1.GRAS ( FEMA ).
2 safe for food ( FDA,A 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.

Limited:
1.FEMA ( mg/kg ): 0.35 candy beverage; 0.74; 1 0.05 syrup baked food.
2 moderate Limited ( FDA,A 172.5152000 ).

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

Be careful.