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Key Documents

8.16003

Sigma-Aldrich

(S)-(+)-Aspartic acid

for synthesis

Synonym(s):

(S)-(+)-Aspartic acid, L-α-Aminosuccinic acid, L-αlpha-Aminosuccinic acid, Asp

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About This Item

Empirical Formula (Hill Notation):
C4H7NO4
CAS Number:
56-84-8
Molecular Weight:
133.10
MDL number:
MFCD00002616
UNSPSC Code:
12352209
EC Index Number:
200-291-6
NACRES:
NA.22

Quality Level

200

Assay

≥99.0% (acidimetric)

form

solid

pH

2.5-3.5 (20 °C, 4 g/L in H2O)

mp

269-271 °C (decomposition)

solubility

4 g/L

bulk density

430 kg/m3

storage temp.

2-30°C

InChI

1S/C4H7NO4/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H,6,7)(H,8,9)

InChI key

CKLJMWTZIZZHCS-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Spec. rotation [α²0/D (c=8 in HCl 6 mol/l): +24.5 - +26.0 °
Identity (IR): passes test

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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