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ChemicalBook--->CAS DataBase List--->23220-52-2

23220-52-2

23220-52-2 Structure

23220-52-2 Structure
IdentificationBack Directory
[Name]

MESO-2 3-DIAMINOSUCCINIC ACID
[CAS]

23220-52-2
[Synonyms]

Einecs 245-500-1
erythro-3-aminoaspartic acid
(2R,3S)-diaminosuccinic acid
(3R)-3-Amino-L-aspartic acid
(2R,3S)-2,3-Diaminosuccinicaci
(2R,3S)-2,3-Diaminosuccinic acid
D-Aspartic acid, 3-amino-, (3S)-rel-
MESO-2 3-DIAMINOSUCCINIC ACID USP/EP/BP
[EINECS(EC#)]

245-500-1
[Molecular Formula]

C4H8N2O4
[MDL Number]

MFCD00037765
[MOL File]

23220-52-2.mol
[Molecular Weight]

148.12
Chemical PropertiesBack Directory
[Melting point ]

304 °C
[Boiling point ]

304.7±42.0 °C(Predicted)
[density ]

1.611±0.06 g/cm3(Predicted)
[pka]

1.43±0.27(Predicted)
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319-H335
[Precautionary statements ]

P261-P264-P271-P280-P302+P352-P305+P351+P338
[Hazard Codes ]

Xi
[Risk Statements ]

36/37/38
[Safety Statements ]

26-36
[WGK Germany ]

3
Hazard InformationBack Directory
[Uses]

meso-2,3-Diaminosuccinic Acid is used as a building block in organic synthesis. As well as used in the synthesis of metal complexes for antitumor activity.
[Purification Methods]

Crystallise the acid from water. Also, dissolve it in dilute NaOH and add AcOH to pH 5-6 and allow it to crystallise (m 304o dec). Alternatively dissolve the acid in aqueous NH3 and boil; when the NH3 has evaporated, the acid separates, filter it off and dry it at room temperature in a vacuum. In another procedure 1g of acid is dissolved in 10mL of conc HCl + 15mL of H2O at 80o, filter immediately, dilute with 20mL of H2O and allow to stand for 24hours. When the monohydrochloride (0.7g, m 175-156o dec) crystallises out, filter and dry it. It has also been purified by dissolving it in the minimum volume of 10% HCl, filtering, and diluting with 5volumes of H2O when the crystals separate slowly on standing. The acid is filtered off after 24hours and dried (m 306-306o dec). Similar procedures were used for the dl-isomer. [Kenner J Org Chem 13 28 1948, McKennis & Yard J Org Chem 23 980 1958, Beilstein 4 III 1528, 4 IV 3025.]
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