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　　Legal number: CAS RN) : 56-86-0 EINECS no. : 200-293-7

　　Molecular formula: C₉H₁₁NO₂

　　Molecular weight: 147.13

　　Physical and chemical properties: white or colorless flaky crystal. Is slightly acidic. The density of 1.538. At 200 ° C 　and biochemical. In 247 ~ 249 ° C decomposition. Slightly soluble in cold water, soluble in water, insoluble in ethanol, ether and acetone. Can in treatment of hepatic coma.

　　Purpose: one of sodium salt, monosodium glutamate used as a condiment, goods such as monosodium glutamate and principle.

　　Standard: AJI92