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Polyaspartic Acid
CAS: 25608-40-6 | C4H7NO4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
25608-40-6
Molecular Formula:
C4H7NO4
Molecular Mass:
133.10 g/mol
Names and Synonyms:
Polyaspartic Acid
Poly(aspartic acid)
L-Aspartic acid, homopolymer
Aspartic acid, L-, peptides
Poly(β-L-aspartic acid)
L-Aspartic acid polymer
α,β-Poly(L-aspartic acid)
Poly(L-aspartic acid)
Poly-β-aspartic acid
Poly(L-α-aspartate)
Poly-L-aspartate
Aspartic acid homopolymer
Carpramid
Amisorb
SAP 73
L-Asparaginic acid homopolymer
S 12-21
Polyaspartic acid
GLN 1100
Identifiers:
SMILES:
N[C@@H](CC(=O)O)C(=O)O
InChI:
InChI=1S/C4H7NO4/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H,6,7)(H,8,9)/t2-/m0/s1
Key Properties
Melting Point
140 °C (decomp)
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 133.10 g/mol | CAS Common Chemistry |
| 133.10299999999998 g/mol | RDKit | |
| 133.037507704 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Polyaspartic_acid | CAS Common Chemistry |
| Canonical SMILES | O=C(O)CC(N)C(=O)O | CAS Common Chemistry |
| InChI | InChI=1S/C4H7NO4/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H,6,7)(H,8,9)/t2-/m0/s1 | CAS Common Chemistry |
| InChI Key | InChIKey=CKLJMWTZIZZHCS-REOHCLBHSA-N | CAS Common Chemistry |
| Melting Point | 140 °C (decomp) | CAS Common Chemistry |
| Name | Poly(L-aspartic acid) | CAS Common Chemistry |
| Polyaspartic acid | CAS Common Chemistry | |
| Heavy Atom Count | 9 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 3 | RDKit |
| Rotatable Bonds | 3 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 100.62000000000002 Ų | RDKit |
| LogP | -1.127 | RDKit |
| Molar Refractivity | 27.863999999999997 | RDKit |
