Aceturic Acid

Title: Aceturic Acid
CAS Registry Number: 543-24-8
CAS Name: N-Acetylglycine
Additional Names: acetamidoacetic acid; acetylaminoacetic acid; acetylglycocoll; ethanoylaminoethanoic acid
Molecular Formula: C4H7NO3
Molecular Weight: 117.10
Percent Composition: C 41.03%, H 6.03%, N 11.96%, O 40.99%
Line Formula: CH3CONHCH2COOH
Literature References: Prepd by warming glycine with a slight excess of acetic anhydride in benzene: Radenhausen, J. Prakt. Chem. [2] 52, 437 (1895); by warming glycine in glacial acetic acid with the stoichiometric amount of acetic anhydride: Dakin, J. Biol. Chem. 82, 443 (1929).
Properties: Long needles from water, mp 206-208°. pK (25°) 3.64. Sol in water at 15° = 2.7%. Moderately soluble in alcohol. Slightly sol in acetone, chloroform, glacial acetic acid. Practically insol in ether, benzene. Forms stable salts with organic bases.
Melting point: mp 206-208°
pKa: pK (25°) 3.64
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