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L-Asparagine

Name: <SC>L</SC>-Asparagine
Brand: SIAL

anhydrous, ≥99.0% (NT)

Synonym(s):

(S)-2-Aminosuccinic acid 4-amide, L-Aspartic acid 4-amide

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About This Item

Linear Formula:

H₂NCOCH₂CH(NH₂)CO₂H

CAS Number:

70-47-3

Molecular Weight:

132.12

EC Number:

200-735-9

UNSPSC Code:

12352200

MDL number:

MFCD00064401

Beilstein/REAXYS Number:

1723527

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Properties

assay

≥99.0% (NT)

optical activity

[α]20/D +35.0±0.5°, c = 5% in 5 M HCl

impurities

≤0.1% foreign amino acids

ign. residue

≤0.1% (as SO₄)

mp

235 °C (dec.) (lit.)

anion traces

chloride (Cl^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤100 mg/kg

cation traces

Ca: ≤200 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤50 mg/kg, Mn: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

SMILES string

N[C@@H](CC(N)=O)C(O)=O

InChI

1S/C4H8N2O3/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H2,6,7)(H,8,9)/t2-/m0/s1

InChI key

DCXYFEDJOCDNAF-REOHCLBHSA-N

Description

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Storage Class

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)

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